16 Blake Close

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, 50 mm loft insulation

  Poor

• Floor

  Solid, no insulation (assumed)

  Not rated on the certificate

• Windows

  Partial double glazing

  Average

• 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 27% 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 (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 £188 a year

   Rating after51E
2. 2

   Cavity wall insulation

   Typical cost £500–£1,500 · saves about £346 a year

   Rating after58D
3. 3

   Floor insulation (solid floor)

   Typical cost £4,000–£6,000 · saves about £214 a year

   Rating after62D
4. 4

   Low energy lighting for all fixed outlets

   Typical cost £55 · saves about £69 a year

   Rating after63D
5. 5

   Upgrade heating controls

   Typical cost £350–£450 · saves about £69 a year

   Rating after64D
6. 6

   Solar water heating

   Typical cost £4,000–£6,000 · saves about £125 a year

   Rating after67D
7. 7

   Replace single glazed windows with low-E double glazed windows

   Typical cost £3,300–£6,500 · saves about £57 a year

   Rating after68D
8. 8

   Solar photovoltaic panels, 2.5 kWp

   Typical cost £3,500–£5,500 · saves about £677 a year

   Rating after79C

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