energy performance improvements to mid terrace 3 bed house

The existing house
The house is an 1,100ft², 3 storey mid-terrace, built in the 1930's with solid stone walls and timber single glazed windows. It has oil fired central heating and insulation in the attic.

£2,500 of works saves £1,000 a year
Our low cost programme of works on improved lights, air tightness, insulation and boiler totalled £2,500. This reduced the annual energy bill from £3,028 a year to under £2,000 saving over a £1,000 a year. All new fittings have a life expectancy of 25 years.

dwelling performance summary
We invested £9,950 to improve dwelling performance and save £1,395 a year giving a payback of around 7 years. Low cost works came to £2,500 and saves £1,000 a year giving a payback of around 2.5 years.

New windows add value to dwellings at the lower end of the property scale. The windows cost around £3,500 and probably add the same to the house price. They also save around £140 a year which gives a payback of around 25 years. The double glazed windows also reduced noise from traffic.

External insulation to the rear of the house cost around £4,000 and reduced the heating bill by around £200 a year.

The works made the house warmer and reduced condensation risks making the house healthier to live in.

investment performance summary
£10,000 invested in the bank with an interest rate of 3% would double your money with compound interest in 24 years.

£10,000 invested in this dwelling should increase the House Price by £8,200. 

The £10,000 investment also resulted in energy savings of £1,395 a year. This would mean that you would get your money back in just over 7 years and double your money in 12 years, beating the bank by 12 years.

A warmer home is the best investment because it stops you losing money.