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Northamptonshire County Council

Wellingborough Part 2 Local Plan

Transport Modelling

Technical Note

August 2017

1

Wellingborough Part 2 Local Plan Transport Modelling

Technical note

Introduction

The North Northamptonshire Joint Core Strategy was adopted in July 2016 and

provides the overarching strategic policies for North Northamptonshire. Policies

specific to the local context are provided by Part 2 Local Plans.

The Borough Council of Wellingborough (BCW) has started to prepare their Local

Plan, called the Plan for the Borough of Wellingborough and undertook public

consultation on an Emerging Plan in 2016. Although the housing and employment

figures in the Local Plan are aligned to what is outlined within the Joint Core Strategy,

there have been some refinements, mostly within the town centre.

Northamptonshire County Council worked very closely with the Joint Planning Unit to

forecast the impact of the housing and employment growth outlined within the Joint

Core Strategy on the highway network and identify the infrastructure necessary to

meet the increase in demand.

The infrastructure that was tested in the Northamptonshire Strategic Transport Model

(NSTM) to support the Joint Core Strategy was informed by previous modelling work.

In Wellingborough town centre, the infrastructure requirement drew directly from the

adopted Town Centre Area Action Plan which was based on higher levels of housing

and retail growth in the town centre.

As part of the development of the Plan for the Borough Council of Wellingborough, it

was appropriate to look again at the infrastructure requirements in the town centre,

now a further refinement of the allocated growth in the town centre is known. In

particular, re-looking at the need for the Northern Interceptor and the associated

changes to the one-way system, as well as other infrastructure on the edge of the town

centre such as the north-south link road.

In order to do this, the revised housing, jobs and retail figures were tested to identify

the forecast impact on the highway network.

This technical report outlines the methodology used, the inputs, results and

conclusions that can be drawn from the transport modelling.

Background

The Northamptonshire Strategic Transport Model (NSTM) is Northamptonshire

County Council’s tool for testing major transport and development proposals. It is a full

four stage transport model covering; trip generation, mode choice, trip distribution and

assignment.

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The demand model (trip generation/mode choice/trip distribution) and the public

transport model are created using EMME31 software. The highway model is created

using a suite of software called SATURN2 (Simulation and Assignment of Traffic to

Urban Road Networks) originally developed by the University of Leeds and since

marketed and developed in association with Atkins.

The model covers the whole of the county, with an increasingly less detailed coverage

beyond the county borders and is created in accordance with guidance issued by the

Department for Transport.

The model is developed for an average weekday (Monday to Friday) in the AM peak

hour (08:00-09:00) and in the PM peak hour (17:00-18:00). All directional link flows

are shown as actual flows and are measured in Passenger Car Units3 (PCUs). The

baseline model year is 2014.

Inputs

Land use and infrastructure assumptions were provided by the BCW for job, housing

and retail completions from 2014 to 2016 and planned growth to 2031. To avoid

having to build an entirely new baseline model at large expense, the completion

figures were included in the 2031 model to capture the sites that have already come

forward. The 2014 baseline model is the same that was used for the baseline Joint

Core Strategy modelling.

Completions and sites under 10 dwellings within Wellingborough were proportioned

across zones within the urban Wellingborough area, as for smaller villages there is

only one base zone to assign the housing to. Windfall and lapse rate housing was

proportioned across all the base year zones in the District.

The total job, housing and retail figures are provided in Table 1 below, with a more

detailed breakdown available in Appendix A.

Table 1: Job, housing and retail figures to 2031

The infrastructure included in the 2031 model is as outlined in Table 2 (which was

identified in the Joint Core Strategy).

As outlined previously, one of the aims of this transport modelling was to identify

whether in light of the revised housing, jobs and retail proposals for the town centre,

there was still a need for the following pieces of infrastructure:

Northern Interceptor Road

Queen Street two-way; and

1 EMME3 is a software package used to build the Demand Model and the Public Transport Model 2 SATURN is a software package used to build the observed highway model 3 Passenger Car Units is a measure where Heavy Goods Vehicles (HGVs) are converted to equivalent passengers cars using a

conversion factor based on Department for Transport guidance

2031 Jobs 2031 dwellings 2031 A1 Floorspace (sqm)

9,667 8,742 10,592

3

Church Street as bus only

In order to assess the impact on the highway network, these pieces of infrastructure

were not modelled.

Please note that transport modelling for the Joint Core Strategy had already

demonstrated that the Wellingborough Inner Relief Road, also known as north-south

link road, was not required.

Table 2: Infrastructure improvements included in the 2031 model

Junction/link

Improvement

A4500/A509/ Northampton Road Four arm signalised roundabout

A509/Rutherford Drive Improved capacity to A509 northern arm, taking into account Park Farm Way dualling

A509/Turnells Mill Lane/ Embankment

Four arm signalised roundabout

Senwick Road/Elsden Road/Midland Road

Signalised junction

A45/Wilby Way roundabout Four arm signalised roundabout

Park Farm Way dualling Included changes to junction saturation flows

Route 4 to WEAST WEAST development

Route 2 to WEAST WEAST development

Route to WEAST extension WEAST development

Eastern Relief Road (along Sidegate Lane)

WEAST development

Route 6 WEAST development

A509 Niort Way/ Kettering Road/ A510 Northern Way/ Harrowden Road

Northern arm changed to link related to IWIMP, A509 severed and downgraded

A509 Niort Way /Gleneages Drive Four arm roundabout

A509 Niort Way/ Hardwick Road Capacity improvement

A509 Niort Way – Wellingborough North priority access

Between Gleneagles Drive and A509/ A510/ Harrowden Road roundabouts

A509 Northern Way/ Nest Farm Road Four arm roundabout

A510 Northern Way/ Nest Farm Road Four arm roundabout

A510 Northern Way/ A510 Stewarts Road/ Sanders Road

Four arm roundabout to include Route 6 to WEAST

A509 Niort Way Upgraded to dual carriageway

IWIMP link Connecting Isham Bypass to A509 Niort Way

IWIMP link/ Red Hill Street Wellingborough North development

Isham bypass Bypass of Isham

4

Outputs and results

The following outputs were extracted from the transport model:

Directional actual link flows

Node volume over capacity (V/C)

The baseline and 2031 actual flows and volume over capacity plots are available in

Appendix B to E.

Table 3 summarises the actual flow plots for the base year and 2031 in the AM and

PM peak on some of the key corridors.

Table 3: Actual flows on key roads in base and future year scenarios4

Road

2014 AM Peak

Two-way

2031 AM Peak

Two-Way

Difference 2014 PM Peak

Two-way

2031 PM Peak

Two-way

Difference

Actual

% Actual

%

A509 1371 3387 2016 60 1533 3322 1789 54

Harrowden Road

992 1345 353 26 1268 1551 283 18

Finedon Road 582 663 81 12 695 639 -56 -9

Embankment 1575 636 -939 -148 1450 382 -1068 -280

London Road 1297 1947 650 33 1333 1568 235 15

Northampton Road

1412 1538 126 8 1486 1528 42 3

A45 5066 5730 664 12 2831 3067 236 8

Senwick Road

1298 638 -660 -103 1219 384 -835 -217

Eastern Relief Road

- 732 - - - 893 - -

The outputs from the transport modelling of the Plan have been interpreted not only

in light of the change from the baseline figures but also by referencing the transport

modelling produced for the Joint Core Strategy. A summary of the actual flow results

grouped by area is described below.

Town centre

As a consequence of modelling no increase in retail within the town centre, there are

lower traffic flows within the town centre compared to the Joint Core Strategy

scenario. As a consequence, fewer junctions have been identified as over capacity in

the town centre in 2031. However there are still some junctions such as Alma Street/

Cannon Street and Midland Road/Victoria Road which are shown to be approaching

capacity in 2031. The transport modelling also highlights in the PM peak that Little

Green is approaching capacity.

The removal of the Northern Interceptor and the associated changes (such as

Church Street becoming bus-only etc.) does not appear to cause any significant

4 Actual flows are shown in Passenger Car Units (PCUs)

5

junction or link issues as it is mitigated to a large extent by the lower retail growth in

the town centre.

Edge of town centre

The infrastructure related to Wellingborough East appears to be showing some

pressure in the transport modelling, however this infrastructure has already been

extensively tested as part of Wellingborough East development and deemed to be

sufficient so this is not a concern. Similarly, some of the infrastructure to the north of

Wellingborough related to Isham bypass and IWIMP is showing some capacity

constraints. Again, Isham bypass and IWIMP has been subject to transport

modelling, and is also being revisited as part of the detailed design of Isham bypass

and designed accordingly, so the highway authority is content that any design

modifications will be picked up through this process.

As expected, both the Embankment and Senwick Road see a decrease in traffic due

to the implementation of the Eastern Relief Road and alternative access points to

Wellingborough East changing the distribution of traffic in this area of the town.

Traffic flows on Finedon Road and Northampton Road stay broadly similar between

2014 and 2031. Traffic flows on Harrowden Road and London Road are forecast to

increase by a similar percentage (26 to 33 percent in the AM peak and 15 to 18

percent in the PM peak).

Principal and strategic network

The greatest increase in two-way traffic flows is on the A509 Park Farm Way which

is a product of the increase in cumulative travel demand between Wellingborough

and Kettering as a result of the proposed growth, and the dualling on this section

which enhances journey times, making a more attractive route to traffic compared to

alternative routes.

Traffic flows on the A45 are broadly in line with those modelled for the Joint Core

Strategy, with traffic flows on the A45 forecast to increase by 12 percent in the AM

peak and 8 percent in the PM peak.

The A45 Wilby Way roundabout and the junctions around Wellingborough and

further afield at Rushden continue to show pressure, possibly a product of improving

flows at Chowns Mill and Rushden Lakes causing issues further along the A45.

Junction performance

Volume over capacity (V/C) is a measure of how congested a particular junction

(node) is and shows the figure for the most congested arm.

Any figures of over 85 percent suggest that the junction is over capacity; figures

between 75 and 85 percent suggest a junction is approaching capacity. Anything

over 100 percent is considered severe congestion. These outputs are useful to

understand where junctions may require an intervention to increase capacity and

improve performance.

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Table 4 outlines all those junctions in the AM, PM peak or both, where congestion is

forecast to be above 85 percent, which in transport terms is considered to be of most

concern. Only the junctions within the borough of Wellingborough are considered.

Table 4: Junctions with a V/C of 85 percent or more

Location Node Junction 2014 AM

2031 AM

2014 PM

2031 PM

Comments

A45 1 Chowns Mill - 89 - 93 Separate transport modelling has been carried out by Highways England

A45 5 Ditchford Road/ Link Road/ A45 off slip

53 87 Infrastructure previously tested as part of WEAST

A45 30 A45/Chester Road (to Irchester)

81 82 79 80 From joining A45.

A45 32 A45/B645 Northampton Road/ Crown Way/Rushden Lakes

98 102 83 120 Infrastructure previously tested as part of Rushden Lakes development.

A45 163 Link Road/ A5001/Southern Arm/ A45 on-slip

59 90 61 91 Capacity issue is in both AM and PM peak. Highways England.

A45 423 A45/A45 Higham Road/ A45 Wilby Way


A45 424 A45/SB slip road from A45 Higham Road


A45 432 A509 Wilby Way/ A45 Higham Road/ Bourton Way


Edge of town centre

13 Sidegate Lane/ B571

59 88 63 91 Infrastructure has been previously tested as part of WEAST.

Edge of town centre

14 Wellingborough Road/ Sidegate Lane

81 92 89 100 Infrastructure has previously been tested as part of WEAST.

Edge of town centre

439 A510 Northern Way/ A510 Stewart Road

100 93 IWIMP/Isham infrastructure. Previously tested.

Edge of town centre

26 A509/ The Slips/ A574

81 86 83 66 IWIMP/ Isham infrastructure. Previously tested.

Edge of town centre

371 Wellingborough Bypass/ Upper Red Hill Development

98 80 IWIMP/ Isham infrastructure. Previously tested.

Edge of town centre

389 Stanton Cross/ WEAST junction near Grange Farm

47 97 WEAST infrastructure – previously tested.

Town centre

99 A5193 Harrowden Road/ Pyghtle

41 52 85 93 Side road. Was not identified in JCS transport modelling. Only capacity issue in PM peak

Earls Barton

17 A4500 Main Road/ Mears Ashby Road

40 70 97 87 Only capacity issue in PM peak.

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Town Centre

113 Broad Green/Hardwick Road

44 34 64 91 Capacity issue is in PM peak.

Finedon 248 A510 Wellingborough Road/ Bell Hill

102 87 102 87 Capacity issue is in AM and PM peak.

Finedon 21 A6/A510 71 78 66 91 Capacity issue is in the PM peak.

Isham 375 Isham Bypass/ Hill Top Road/ A509 Kettering Road


Isham 419 Isham Bypass Link/ A509 Kettering Road


Of the junctions identified in Table 4, there are eight junctions where infrastructure

has previously been tested and deemed fit for purpose as part of development

proposals:

Sidegate Lane/ B571

Wellingborough Road/ Sidegate Lane

A510 Northern Way/ A510 Stewart Road

A509/ The Slips/ A574

Wellingborough Bypass/ Upper Red Hill Development

Stanton Cross/ WEAST junction near Grange Farm

Isham Bypass/ Hill Top Road/ A509 Kettering Road

Isham Bypass Link/ A509 Kettering Road

No further investigation is required at these junctions and the infrastructure in the

Emerging Plan IDP is sufficient.

There are five junctions managed by Northamptonshire County Council which have

been forecast to be over capacity in either the AM, PM or both peaks. These

junctions have been considered in further detail and improvements (if appropriate)

identified in Table 5.

Table 5: Junctions considered for further improvement

Junction Comment Improvement identified

A5193 Harrowden Road/ Pyghtle (Wellingborough)

This is a product of the way traffic is loading onto the network in the model rather than an issue.

No improvement required.

A4500 Main Road/ Mears Ashby Road (Earls Barton)

Only just overcapacity in the PM peak, and is an improvement over the existing modelled situation.


Broad Green/Hardwick Road (Wellingborough)

This junction has been looked at previously and due to land constraints there is


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minimal opportunities for improvement at this location.

A510 Wellingborough Road/ Bell Hill (Finedon)

This is a product of the way traffic is loading onto the network in the model rather than an issue.


A6/A510 (Finedon) Growth on the A6 and A510 will create pressure at this junction in particular in the PM peak.

Minor improvement may be required to roundabout (minor widening, signing and lining). Cost estimate £100k.

The remaining eight junctions are managed by Highways England. The flows

identified are in line with those identified in the Joint Core Strategy, however advice

should be sought from them regarding any further improvements they deem

necessary.

Conclusion

The transport modelling has demonstrated that the lower traffic flows within the town

centre compared to the Joint Core Strategy scenario results in fewer junctions being

identified as over capacity, however there are still some junctions such as Alma

Street/ Cannon Street and Midland Road/Victoria Road which are shown to be

approaching capacity in 2031 so may require improvement in the next Plan period.

The removal of the Northern Interceptor and the associated changes (such as

Church Street becoming bus-only etc.) does not appear to cause any significant

junction issues as it is mitigated to a large extent by the lower retail growth in the

town centre.

Of the new junctions highlighted as having a capacity issue that are managed by

Northamptonshire County Council, further investigation has identified that only the

A6/A510 junction is deemed to require an improvement.

The other junctions have either been disregarded as an issue due to the way in

which the NSTM models side road junctions, or previous investigations have

identified that there is no feasible scheme available due to land constraints.

Appendix A – Development assumptions

NSTM Zone

Development 2031 Jobs 2031

Dwellings

2031 A1 Floor-space (sqm)

Retail Space Value (£k)

97 Milner Road Finedon 30

97 PBW allocation 60

97 Completions/sites under 10 dws in Finedon 44

98 Brookside Garage Units 1 To 2, 347, Wellingborough Road, Finedon, Wellingborough

-1

98 WEAST SUE 5304 2980 2500 2631

126 Land off Austin Close 75

126 Land South of James Street 75

127 Completions/sites under 10 dws in Irchester 19

129 37 Valley Road, Wellingborough 15 16

129 Windsor Road 60

130 26, Knox Road, Wellingborough, NN8 1HW -18

130 Former Knapp Tool and Whitworth Bakery Site, London Road, Wellingborough, NN8 2DP

130 Land at London Road 3300 3473

131 80 Leyland Trading Estate, Irthlingborough Road, Wellingborough, NN8 1RT

1

131 Nene Court 484 509

131 The Old Granary Grange Farm, Irthlingboorugh Road, Wellingborough

-2

132 Saxby Bros Ltd, Chester Road 56

133 6, Phoenix Court, Wellingborough, NN8 2QE 3

133 Denington Road 1064 1120

133 Hampton Steel & Wire Limited, 39 43, London Road, Wellingborough, NN8 2DP

5

134 1, Berrymoor Court, Wellingborough, NN8 2DL 84 88

138 Northampton Road Post Office, Northampton Road, Wellingborough

28 29

139 66-74 Lea Way Wellingborough Northamptonshire NN8 3NG 23

144 Land Between Road And Rylstone Park Farm Way Wellingborough Northamptonshire

53

145 2-6, Huxley Close, Wellingborough, NN8 6AB 30

145 31-35, Booth Drive, Wellingborough, NN8 6GR 5

145 34-38, Rutherford Drive, Park Farm Industrial Estate, Wellingborough, NN8 6AE

17

145 39-44, Davy Close, Wellingborough, NN8 6XX

145 Land rear of 14 to 38 and fronting, Sywell Road, Davy Close, Wellingborough, NN8 6XX

31

145 Mahle Powertrain, 31, Booth Drive, Park Farm Industrial Estate, Wellingborough, NN8 6GR

160

145 Plot U adjoining, Rutherford Drive, Wellingborough, NN8 6AQ 46

145 Unit 15, Regent Park 37 Booth Drive, Wellingborough, NN8 6GR 6

150 Hardwick Park 45

150 Completions/sites under 10 dws in Hardwick 5

150 Completions/sites under 10 dws in Orlingbury 1

150 The Lodge Manor Farm 2, Taggies Yard, Orlingbury, Kettering, NN14 1QH

1

150 Wellingborough North SUE 1220 1284

151 1, Fleming Close, Park Farm Industrial Estate, Wellingborough, NN8 6JF

2

151 5, Faraday Court, Wellingborough, NN8 6XY 3

151 Unit D, 1 - 5, Whittle Close, Wellingborough, NN8 6TY 6

153 16-18, Stewarts Road, Wellingborough, NN8 4RJ 28

153 2, Trojan Centre, Finedon Road Industrial Estate, Wellingborough, NN8 4ST

3

153 2-20, Don White Road, Wellingborough, NN8 4FT 60

153 4 Saxon Court, Bradfield Road, Wellingborough, NN8 4RQ -5

153 40-44, Bradfield Road, Wellingborough, NN8 4HB

153 5, Nielson Road, Finedon Road Industrial Estate, Wellingborough, NN8 4PE

153 5, Stanton Close, Wellingborough, NN8 4HN 87

153 61-65, Sanders Road, Wellingborough, NN8 4NL 5

153 7-11, Stewarts Road, Wellingborough, NN8 4RJ 10

153 99, Sanders Road, Wellingborough, NN8 4NL -2

153 Univar Ltd, 9-11 Links Road, Wellingborough, NN8 4EY 2

154 3-4 (Larner Pallets), Bevan Close, Wellingborough, NN8 4BL 109

154 Land Between Finedon Road and Nest Lane 100

154 Rear 56 Nest Lane 16

155 1, Grant Road, Wellingborough, NN8 1ES 10

155 Leys Road/Highfield Road 40

156 Completions/sites under 10 dws in Grendon 2

157 29a, Doddington Road, Wollaston, NN29 7PR 68

157 Land East of Hookhams Path Wollaston 80

157 Completions/sites under 10 dws in Wollaston 25

158 Completions/sites under 10 dws in Wilby 1

158 Wilby Church Of England Primary School, Church Lane, Wilby, Wellingborough, NN8 2UG

-1

159 120-140, Glebe Road, Mears Ashby, Northampton, NN6 0DL 110 116

159 240, Sywell Road, Mears Ashby, Northampton, NN6 0DL 14

159 Completions/sites under 10 dws in Mears Ashby 14

160 204, Holcot Lane, Sywell, Northampton, NN6 0BG 24

160 Hendrickson Site 7 (Unit 35), Sywell Aerodrome, Wellingborough Road, Sywell, Northampton, NN6 0BN

73

160 Minton Distribution Centre Wellingborough Road Sywell 120

160 Site B Unit 1 Lancaster Hanger, Wellingborough Road, Sywell, Northampton, NN6 0BN

55

160 Completions/sites under 10 dws in Sywell 9

160 Thistledown Barn, 204 Holcot Lane, Sywell, Northampton, NN6 0BG

63

161 East Lodge Farm, Washbrook Lane, Ecton 84 88

161 Completions/sites under 10 dws in Ecton 9

162 108 The Grange, Northampton Road, Earls Barton, Northampton, NN6 0JH

46

162 18-20, Baron Avenue, Earls Barton, Northampton, NN6 0JE 22

162 38, Main Road, Earls Barton, Northampton, NN6 0TW 9

162 Land Adj 16, 80 Main Road, Earls Barton, Northampton 31

162 Land To The North off Main Road, and Northampton Road, Earls Barton, Northampton

280

163 23-27, Titley Bawk Avenue, Earls Barton, Northampton, NN6 0LA

2

163 58 Bowlers Yard High Street Earls Barton NN6 0NA 11

244 15 Ladywell Court, Linnet Close, Wellingborough, NN8 4UL 3

418 31b, Alma Street, Wellingborough, NN8 4DH -82

418 Former Gold Street, 106 Gold Street 468 493

418 Site G TCAAP - Alma St/ Cambridge St Backlands 50

418 Site I TCAAP - PO Sorting Office 23 717 755

418 Wellingborough Medical Centre 106, Gold Street, Wellingborough, NN8 4ES

27 28

446 2A, High Street, Wellingborough, NN8 4HR -8

446 3 Queen Street, Wellingborough 29 31

446 38a British Rail Sports And Social Club Broad Green Wellingborough Northamptonshire NN8 4LH

60

446 39b, Cambridge House, Cambridge Street, Wellingborough, NN8 1DW

446 59, High Street, Finedon, Wellingborough, NN9 5JN

446 60, Midland Road, Wellingborough, NN8 1LU

446 Charlton House 15, Great Park Street, Wellingborough, NN8 4PR

14

446 Croyland Abbey and Croyland Hall, 1A Tithe Barn Road, Wellingborough, Northants, NN8 1BJ

14

446 Everyday Champions Church, 47 Havelock Street, Wellingborough, NN8 4LG

3

446 Railway Sports & Social Club 38a, Broad Green, Wellingborough, NN8 4LH

20

446 Site C High Street Site 113 356 375

447 2-4, Arthur Street, Wellingborough, NN8 3HH 12

447 George Cox Shoes Westfield Road NN8 3HB 25

447 Rear of 4-8, Barnabas Street, Wellingborough, NN8 3HB 1

448 Former Victoria Junior School Stanley Road, Wellingborough, Northamptonshire, NN8 1EA

23

448 Former Waendel Centre, 86 Stanley Road, Wellingborough, NN8 1DY

14

448 Gilmore & Vale Ltd 9 Mill Road Wellingborough NN8 1PF 14

459 Former A J Sectional between 11 and 11A, Thrapston Road, Finedon, Wellingborough, NN9 5DG

40

466 Completions/sites under 10 dws in Bozeat 18

467 7, Williams Way, Wollaston, Wellingborough, NN29 7RQ

469 Flat 39A, The Square, Earls Barton, Northampton, NN6 0NA 106 112

469 Land Rear Of 1 To 27, Thorpe Road, off Station Road, Earls Barton

39

469 Completions/sites under 10 dws in Earls Barton 122

471 Grove Farm 39, High Street, Great Doddington, NN29 7TQ 1

472 12-14, Edmonds Close, Wellingborough, NN8 2QY 2

472 90, Denington Road, Wellingborough, NN8 2RB 100

472 The Open University, 65-69 Denington Road, Wellingborough, NN8 2QH

68

498 304 Former Scrapyard, Station Road, Isham, Kettering, NN15 5NT

57

498 Furnace Lane, Finedon Sidings, Little Harrowden, Wellingborough, NN9 5NY

34

498 Completions/sites under 10 dws in Great Harrowden 1

498 Completions/sites under 10 dws in Little Harrowden -13

649 WEAST - additional capacity

652 WEAST - Grange Farm, Irthlingborough Road, Wellingborough

652 WEAST - Independent Landowners - Irthlingborough Grange 44

652 WEAST - Independent Landowners - Mandalin House

665 30 High Street, Wellingborough, Northamptonshire 10

672 Park Farm/Shelley Way 600

682 Wellingborough North (Land off the A509 Niort Way and A510 Northen Way and south of Great Harrowden Wellingborough)

215


215


215


215


107


667


215

688 Wellingborough North Additional capacity 265

692 140-160 Appleby Lodge, Sywell Road, Wellingborough, NN8 6BS

2500

707 Phase 2b Land off Eastfield Road 131

707 Phase 3 Land off Eastfield Road 75

724 Land Off, The Sorrels, Isham, Kettering 16

724 Completions/sites under 10 dws in Isham 14


321

- Lapse Rate (11% of all sites of less than 10 dws) -27

- Windfall (Average of last 6 years on sites of less than 10 dwellings)

564

- Completions/sites under 10 dws in Wellingborough 737

Total 9667 8742 10592 11147

Appendix B – Base year actual flows (2014 AM and PM Peak)

Appendix C – Future Year flows (2031 AM and PM Peak)

Appendix D – Baseline volume over capacity (2014 AM and PM peak)

Appendix E – Future year volume over capacity (2031 AM and PM Peak)

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