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What the assessor found

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

• Walls

  Cavity wall, filled cavity

  Good

• Roof

  Pitched, 270 mm loft insulation

  Good

• Floor

  Solid, no insulation (assumed)

  Not rated on the certificate

• Windows

  Fully double glazed

  Average

• Heating

  Boiler and radiators, mains gas

  Good

• Heating controls

  Programmer and room thermostat

  Average

• Hot water

  From main system, no cylinder thermostat

  Poor

• Lighting

  Low energy lighting in all fixed outlets

  Very good

• 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 (2024), 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

   Floor insulation (solid floor)

   Typical cost £4,000–£6,000 · saves about £94 a year

   Rating after52E
2. 2

   Increase hot water cylinder insulation

   Typical cost £15–£30 · saves about £138 a year

   Rating after56D
3. 3

   Hot water cylinder thermostat

   Typical cost £200–£400 · saves about £123 a year

   Rating after59D
4. 4

   Upgrade heating controls

   Typical cost £350–£450 · saves about £58 a year

   Rating after61D
5. 5

   Replace boiler with new condensing boiler

   Typical cost £2,200–£3,000 · saves about £244 a year

   Rating after68D
6. 6

   Solar water heating

   Typical cost £4,000–£6,000 · saves about £59 a year

   Rating after70C
7. 7

   Solar photovoltaic panels, 2.5 kWp

   Typical cost £3,500–£5,500 · saves about £441 a year

   Rating after81B

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