11 Cherry Walk

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

  Solid, no insulation (assumed)

  Not rated on the certificate

• Windows

  Fully double glazed

  Average

• Heating

  Boiler and radiators, mains gas

  Good

• Heating controls

  TRVs and bypass

  Average

• Hot water

  From main system

  Good

• Lighting

  Low energy lighting in all fixed outlets

  Very good

The assessor's estimates at the energy prices in use when the certificate was made (2023), 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 £33 a year

   Rating after68D
2. 2

   50 mm internal or external wall insulation

   Typical cost £4,000–£14,000 · saves about £107 a year

   Rating after72C
3. 3

   Floor insulation (solid floor)

   Typical cost £4,000–£6,000 · saves about £27 a year

   Rating after74C
4. 4

   Upgrade heating controls

   Typical cost £350–£450 · saves about £25 a year

   Rating after75C
5. 5

   Replace boiler with new condensing boiler

   Typical cost £2,200–£3,000 · saves about £64 a year

   Rating after78C
6. 6

   Solar water heating

   Typical cost £4,000–£6,000 · saves about £32 a year

   Rating after79C
7. 7

   Replacement glazing units

   Typical cost £1,000–£1,400 · saves about £34 a year

   Rating after80C
8. 8

   Solar photovoltaic panels, 2.5 kWp

   Typical cost £3,500–£5,500 · saves about £414 a year

   Rating after91B

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