15 Dora Road

What the assessor found

Each part of the home, with the certificate's own energy efficiency rating.

• Walls

  Solid brick, as built, no insulation (assumed)

  Very poor

• Roof

  Pitched, no insulation

  Very poor

• Floor

  Suspended, no insulation (assumed)

  Not rated on the certificate

• Windows

  Fully double glazed

  Good

• Heating

  Boiler and radiators, mains gas

  Good

• Heating controls

  Programmer, TRVs and bypass

  Average

• Hot water

  Electric immersion, standard tariff

  Very poor

• Lighting

  No low energy lighting

  Very poor

The assessor's estimates at the energy prices in use when the certificate was made (2015), for a typical household. Today's bills will differ.

Improvements the certificate recommends

In the certificate's order. Each rating assumes the steps before it are done.

1. 1

   Increase loft insulation to 270 mm

   Typical cost £100–£350 · saves about £210 a year

   Rating after49E
2. 2

   50 mm internal or external wall insulation

   Typical cost £4,000–£14,000 · saves about £247 a year

   Rating after58D
3. 3

   Floor insulation (suspended floor)

   Typical cost £800–£1,200 · saves about £51 a year

   Rating after60D
4. 4

   Add additional 80 mm jacket to hot water cylinder

   Typical cost £15–£30 · saves about £27 a year

   Rating after62D
5. 5

   Low energy lighting for all fixed outlets

   Typical cost £60 · saves about £42 a year

   Rating after63D
6. 6

   Upgrade heating controls

   Typical cost £350–£450 · saves about £33 a year

   Rating after65D
7. 7

   Replace boiler with new condensing boiler

   Typical cost £2,200–£3,000 · saves about £258 a year

   Rating after76C
8. 8

   Solar water heating

   Typical cost £4,000–£6,000 · saves about £43 a year

   Rating after77C
9. 9

   Solar photovoltaic panels, 2.5 kWp

   Typical cost £5,000–£8,000 · saves about £257 a year

   Rating after88B

Costs and savings are the certificate's own, as estimated when it was made.