the housing health and safety rating system
DESCRIPTION
The Housing Health and Safety Rating System . The Healthy Homes Rating System . Interactive tool. https:// drive.google.com/folderview?id=0B8REr4fsWecuRnJBXzYxSzE4cDg&usp=sharing Windows only. Aims of the Session. Learn about the use of the Healthy Homes Rating System in England - PowerPoint PPT PresentationTRANSCRIPT
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The Housing Health and Safety Rating System
The Healthy Homes Rating System
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Interactive tool
• https://drive.google.com/folderview?id=0B8REr4fsWecuRnJBXzYxSzE4cDg&usp=sharing
• Windows only
![Page 3: The Housing Health and Safety Rating System](https://reader036.vdocuments.us/reader036/viewer/2022081507/5681613c550346895dd09e39/html5/thumbnails/3.jpg)
Aims of the Session
• Learn about the use of the Healthy Homes Rating System in England
• Focus on health impacts from housing and their relevance from an English perspective
• See two software tools– Interactive house– Health Cost Calculator
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Aims of the Session
• Learn about the use of the Healthy Homes Rating System in England
• Focus on health impacts from housing and their relevance from an English perspective
• See two software tools– Interactive house– Health Cost Calculator
![Page 5: The Housing Health and Safety Rating System](https://reader036.vdocuments.us/reader036/viewer/2022081507/5681613c550346895dd09e39/html5/thumbnails/5.jpg)
WHAT IS THE HEALTHY HOMES RATING SYSTEM?
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Principle behind rating system
A dwelling, including the structure and associated outbuildings and garden, yard and/or other amenity space, should provide a safe and healthy environment for the occupants and any visitors.
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What is it...? • It’s how we evaluate potential risks to
health and safety that may arise from deficiencies in a dwelling
• It looks at:– Likelihood of harm– Probable severity of that harm
• It assesses 29 different hazards• Comfort does not matter!
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Categories of hazard
• Physiological requirements – e.g. damp and mould growth, excess cold, excess
heat, carbon monoxide, lead, VOC’s• Psychological requirements
– e.g. entry by intruders, lighting, noise• Protection against infection
– e.g. food safety, sanitation• Protection against accidents
– e.g. falls, fire, structural collapse
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All The Hazards 1. Damp and mould growth2. Excess cold3. Excess heat4. Asbestos (and MMF)5. Biocides6. CO and combustion products7. Lead8. Radiation9. Uncombusted fuel gas10. VOCs11. Crowding and space12. Entry by intruders13. Lighting 14. Noise
15. Domestic hygiene, pests and refuse16. Food safety17. Personal hygiene, sanitation and
drainage18. Water supply19. Falls associated with baths20. Falling on level surfaces etc.21. Falling on stairs etc. 22. Falling between levels23. Electrical hazards24. Fire25. Flames, hot surfaces, etc.26. Collision and entrapment27. Explosions28. Position and operability of amenities29. Structural collapse and falling
elements9
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Hazard profiles
For each hazard:• Definition is offered• Potential for harm is identified• Vulnerable groups are identified• The ‘ideal’ is identified• Relevant features are described• Guidance is developed
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Health outcomes
Four classes of harm identified• Class 1 – extreme• Class 2 – severe• Class 3 – serious• Class 4 - moderate
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Class 1
Examples include:• Death from any cause; • Lung cancer; • Mesothelioma and other malignant lung tumours;• Permanent paralysis below the neck; • Regular severe pneumonia; • Permanent loss of• consciousness; • 80% burn injuries.
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Class 2• Cardio-respiratory
disease; • Asthma; • Non-malignant
respiratory diseases; • Lead poisoning;• Anaphylactic shock; • Crytosporidiosis; • Legionnaires disease; • Myocardial infarction;
• Mild stroke; • Chronic confusion; • Regular severe fever; • Loss of a hand or
foot; • Serious fractures; • Serious burns;• Loss of
consciousness for days
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Class 3 – serious harm outcomes• Eye disorders; • Rhinitis; • Hypertension; • Sleep disturbance; • Neuro-pyschological
impairment; • Sick building syndrome; • Regular and persistent
dermatitis, including contact dermatitis;
• Allergy; • Gastro-enteritis; • Diarrhoea; Vomiting;
• Chronic severe stress; • Mild heart attack; • Malignant but treatable skin
cancer; • Loss of a finger; • Fractured skull and severe
concussion; • Serious puncture wounds to
head or body;• Severe burns to hands;• Serious strain or sprain
injuries; • Regular and severe migraine.
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Class 4• Regular serious colds or coughs• Pleural plaques; • Occasional severe discomfort; • Benign tumours; • Occasional mild pneumonia; • Broken finger; • Slight concussion; • Moderate cuts to face or body; • Severe bruising to body; • Regular serious coughs or colds.
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Linking deficiencies to hazards
• Once identified, deficiencies must be allocated to a hazard
• A deficiency may contribute to more than one hazard
• Several deficiencies may contribute to one hazard
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Deficiencies to Hazards
• It is the cumulative contribution of the deficiencies to the hazard that should be assessed
• It is a whole dwelling assessment for each hazard
• Assumes the ‘at risk group’ inhabit the property
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BOX 1
Similar Hazards, with Differing Outcomes
Example –
There is a window with a low internal sill (about 250mm above the floor). A small child could climb onto the sill and open the window relatively easily and could fall out through the open window. The likelihood of this occurring over the next twelve months is judged to be around 1 in 180.
If that window is on the ground floor with grass immediately below, the outcome would be relatively minor – 99% Class IV (bruising) and perhaps 1% Class III (a strain or sprain). This would give a Hazard Score of 7 (Band J).
However, if that same window is on the 2nd floor with a paved area immediately below, the outcome would be major – 10% Class I (paralysis or even death), 80% Class II (serious fractures) and 10% Class III (a strain or sprain). This would give a Hazard Score of 1,016 (Band C).
Although in both cases the likelihood is the same, the Hazard Score reflects the dramatically different outcome.
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USE OF THE HEALTHY HOMES RATING SYSTEM IN ENGLAND AND WALES
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Housing Act 2004• HHSRS (HHRS) is
enshrined in legislation
• England and Wales assessment system for all housing
• Stock condition surveys
• Decent Homes Standard
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Issues with UK housing
1. Excess cold2. Falls on stairs3. Falls on the level4. Falls between levels
5. Fire, damp and mould, hot surfaces, radon, pests
6. Overcrowding, electrical, CO, sanitation, noise
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Increasing awareness
• Attitudes• Ignorance• Political will• Prevention vs cure• Old housing• Fuel poverty
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Interactive tool
• https://drive.google.com/folderview?id=0B8REr4fsWecuRnJBXzYxSzE4cDg&usp=sharing
• Windows only
![Page 25: The Housing Health and Safety Rating System](https://reader036.vdocuments.us/reader036/viewer/2022081507/5681613c550346895dd09e39/html5/thumbnails/25.jpg)
Quantifying improvements and justifying your work
• Hard to measure something that has not occurred
• Justify expense of interventions• Interventions can vary in cost
considerably
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BRE, 2008
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• Quantifies poor housing
• Providing a tool for policy
Funded by BRE Trust and carried out by BRE in partnership with the Universities of Warwick and Brighton
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Costs to society of living with HHSRS hazardsIssue Cost
Poor physical/mental health/social isolation Higher healthcare costs
High home fuel bills High building heating costs
Uninsured contents losses Spending on building security/possessions
Living with repairs needed High housing maintenance costs
Under-achievement at school Extra costs on school budgets/tutors
Loss of talents to societyLoss of future earnings
Personal insecurity High policing costs
More accidents High emergency services costs
Poor hygienic conditions High environmental health costs
Costs of moving Disruption to service providers
Adopting self-harming habits Special health-care responses
(adapted from BRE, n.d.)
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Typical Healthy Homes Rating System outcomes and 1st year treatment costs (40% of total costs)
Hazard Class 1 Class 2 Class 3 Class 4
Damp and mould N/A Type 1 allergy(£1998/$3342)
Severe asthma (£1120/$2040)
Mild asthma (£180$301)
Excess cold Heart attack, care, death (£19851/$33206)
Heart attack (£22295/$37295)
Respiratory condition (£519/$868)
Mild pneumonia (£84/$140)
Radon Lung cancer, death (£13247/$22159)
Lung cancer survival (£13247/$22159)
N/A N/A
Falls on the level Quadraplegic (£59246/$99106)
Femur fracture (£25424/$25424)
Wrist fracture (£745/$1261)
Treated fro cut/bruise (£67/$112))
Falls on stairs and steps
Quadraplegic (£59246)/$99106
Femur fracture (£25424/$25424)
Wrist fracture (£745/$1261)
Treated fro cut/bruise (£67/$112)
Fire Burn, smoke, care, death (£11754/$19662)
Burn, smoke, care (£7652/$12800)
Serious burn to hand (£2188/$3660)
Burn to hand (£107/$178)
Hot surfaces and materials
N/A Serious burns (£4652/$7781)
Minor burn (£1234/$2064)
Treated very minor burn (£107/$179))
(BRE, n.d.)
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Health Cost Calculator• Building Research Establishment & RHE
‘The Trust commissions research into the challenges faced by the built environment and publishes project findings which act as authoritative guidance to the construction industry’
(BRE, 2014)• Uses direct costs of medical treatment and aftercare
(<1yr)– Robust data
• Probably accounts for 40% of total costs
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Health Cost Calculator• Uses reduction in probability of category
1 hazardous event and severity of outcomes
• Provides projected savings on healthcare costs based on NPV calculations
• Gives account of costs vs savings– Payback period
• Cumulative record for area based work
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Cost of work (£)
Expected Cost to NHS (£)
Expected Cost to NHS (£)
HAZARD Mitigated
How it all works
Work
HAZARD
/
-=
Saving (£)
= Payback period
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Example
• Cost to fit banister £400/$669
• Annual savings on healthcare £146/244
• Payback 2.7 years
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Area based work (courtesy of Bristol CC)
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Savings from five officers working across a 460,000 person city (courtesy of Bristol CC)
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Payback period for officers’ work (courtesy of Bristol CC)
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• Cases can be added one by one
• You can identify dwellings by address, UPRN or both
• HHRS system uses representative scale points
• NHS costs and costs to society appear at the bottom of the screen