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Hard to Treat (HTT)
HARD TO HEAT
EXPENSIVE TO INSULATE
Hard to Treat Homes
Approximately 40% of UK housing stock Every borough has got some: Solid walls Non standard construction Listed buildings Pre 1944 Timber frame Park Homes HMO’s
Examples of HTT properties
Distribution of HTT property typesEnergy analysis focus report,2008
Solid wall properties are the most Energy Inefficient
Cavity Wall properties can lose up to 35% of their heat through external walls
Solid Wall properties can lose 45%+
So
Insulation has a significant role to play in energy conservation for HTT homes
Hard to TreatBut not impossible
The SolutionInsulate and reduce Heat Loss
The Options for solid wall properties
1) - External Cladding
2) - Internal dry lining with thermal board
3) – Internal flexible thermal lining
Solid wall insulation
1.External cladding Expensive , major alteration to appearance, requires scaffolding
2.Internal dry lining Expensive , disruptive, reduces room size, service disconnection requires tenant’s relocation
Costly, inconvenient requiring high investment of time and money for a low return Significant carbon savings per property
ButLow net contribution due to small number of installations
Hard to promote & difficult to manage with multiple trades
Solid wall insulation cont
3. Internal flexible thermal lining
Inexpensive, versatile, easy to apply with tenants
in - situ.
Can be promoted as an installed product requiring single
contractor or for DIY
Easy to integrate into existing schemes
AT NO EXTRA COST OR WORKLOAD FOR YOU
Substantial net carbon savings due to volume of uptake
Current Focus shifting to area based schemesCESP
Systematic approach Door to door
Advise and engage with householders
PROMOTE
Insulation Heating system upgrades
Microgeneration Behavioural change
All quite expensive for residents of HTT
Promoting energy conservation
Installed costs of solid wall insulation for individual properties
Data supplied by “Solid wall insulation supply chain review”
Purple Market research report – April 2009
External wall insulation £88/m2
Internal dry lining £64/m2
Internal flexible lining £25 - £30/m2
Internal flexible lining DIY £14 - £16/m2
Your funding will go further, if you have any and/or
it will be easier to promote to ATP residents
Solid Wall Insulation with Sempatap
WARMER WALLS SCHEMESArea based LA managed all tenures
DIYPrivate homeowners + landlords
TRAININGLocal contractors, care & repair services etc
