18 Edison 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, 300+ mm loft insulation

  Very good

• 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

  Gas multipoint

  Average

• Lighting

  Low energy lighting in 25% of fixed outlets

  Average

• Second heating

  Room heaters, mains gas

  Not rated on the certificate

The assessor's estimates at the energy prices in use when the certificate was made (2014), 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

   50 mm internal or external wall insulation

   Typical cost £4,000–£14,000 · saves about £258 a year

   Rating after49E
2. 2

   Floor insulation

   Typical cost £800–£1,200 · saves about £110 a year

   Rating after55D
3. 3

   Low energy lighting for all fixed outlets

   Typical cost £30 · saves about £27 a year

   Rating after56D
4. 4

   Upgrade heating controls

   Typical cost £350–£450 · saves about £38 a year

   Rating after57D
5. 5

   Replace boiler with new condensing boiler

   Typical cost £2,200–£3,000 · saves about £74 a year

   Rating after61D
6. 6

   Flue gas heat recovery in conjunction with boiler

   Typical cost £900 · saves about £22 a year

   Rating after62D
7. 7

   Solar photovoltaic panels, 2.5 kWp

   Typical cost £9,000–£14,000 · saves about £262 a year

   Rating after73C

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