70 Gorseway

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, 75 mm loft insulation

  Average

• Floor

  Suspended, no insulation (assumed)

  Not rated on the certificate

• Heating

  Boiler and radiators, mains gas

  Good

• Heating controls

  Programmer and room thermostat

  Average

• Hot water

  From main system

  Good

• Lighting

  Low energy lighting in 18% of fixed outlets

  Poor

• Second heating

  Room heaters, electric

  Not rated on the certificate

The assessor's estimates at the energy prices in use when the certificate was made (2011), 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–£300 · saves about £33 a year

   Rating after65D
2. 2

   Low energy lighting for all fixed outlets

   Typical cost £23 · saves about £32 a year

   Rating after67D
3. 3

   Upgrade heating controls

   Typical cost £350–£450 · saves about £31 a year

   Rating after68D
4. 4

   Replace boiler with new condensing boiler

   Typical cost £1,500–£3,500 · saves about £49 a year

   Rating after70C
5. 5

   Solar water heating

   Typical cost £4,000–£6,000 · saves about £25 a year

   Rating after71C
6. 6

   50 mm internal or external wall insulation

   Typical cost £5,500–£14,500 · saves about £93 a year

   Rating after75C
7. 7

   Solar photovoltaic panels, 2.5 kWp

   Typical cost £11,000–£20,000 · saves about £207 a year

   Rating after84B

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