How to Save Energy and Money by Improving Your Home in Coventry and Warwickshire

Energy Saving Case Study 7

The Property
The Property
External Wall Insulation
External Wall Insulation
Thermal Image
Thermal Image

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Location: Warwickshire
House Age: Pre War (1900 - 1940)
Bedrooms: 1-4

Energy Saving Improvement 1

Type: Solid Wall Insulation
Contractor: Williams and Berriman
Description: Alumasc phenolic foam panels on hangers with STO polymer render
Cost: £11,000 (2011)

Energy Saving Improvement 2

Type: General Improvements
Contractor: Act On Energy (for free and impartial advice)
Description: Thermal imaging survey carried out to verify benefit of external wall insulation
Cost: £100 (2011)

Energy Saving Improvements Details

This is a 4 bedroom detached house built in the 1920s with solid brick walls.

External cladding was fitted to all walls in 2010 using a contractor from Wales because a more local one couldn't be found. The whole project took around 3 weeks including the scaffolding and the contractor took great care to maintain the eaves and other period details.

The only issue was the amount of space needed to store the materials before they were fitted. The result is excellent with a reduction in the “heating-on” time; it's warmer with less draughts and appreciably quieter in the house.

A thermal imaging survey was carried out which confirmed an appreciably lower external wall temperature that would have otherwise been expected and the report identified further energy saving opportunities.

There is a PV system installed and some secondary glazing.

The house has an energy performance certificate (EPC) rating of SAP74 in band C and produces 3.7tCO2 annually.

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