1 Downs Walk

What the assessor found

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

• Walls

  Cavity wall, as built, no insulation (assumed)

  Poor

• Roof

  Pitched, 75 mm loft insulation

  Average

• Floor

  Solid, 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

  Average

• Lighting

  Low energy lighting in 30% of fixed outlets

  Average

• Second heating

  Room heaters, wood logs

  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

   Increase loft insulation to 270 mm

   Typical cost £100–£350 · saves about £49 a year

   Rating after60D
2. 2

   Cavity wall insulation

   Typical cost £500–£1,500 · saves about £250 a year

   Rating after68D
3. 3

   Floor insulation

   Typical cost £800–£1,200 · saves about £138 a year

   Rating after73C
4. 4

   Increase hot water cylinder insulation

   Typical cost £15–£30 · saves about £21 a year

   Rating after73C
5. 5

   Low energy lighting for all fixed outlets

   Typical cost £35 · saves about £36 a year

   Rating after74C
6. 6

   Upgrade heating controls

   Typical cost £350–£450 · saves about £46 a year

   Rating after76C
7. 7

   Replace boiler with new condensing boiler

   Typical cost £2,200–£3,000 · saves about £231 a year

   Rating after84B
8. 8

   Solar water heating

   Typical cost £4,000–£6,000 · saves about £46 a year

   Rating after85B

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