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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

  (another dwelling above)

  Not rated on the certificate

• Floor

  Suspended, no insulation (assumed)

  Not rated on the certificate

• Windows

  Fully double glazed

  Average

• Heating

  Boiler and radiators, mains gas

  Good

• Heating controls

  Programmer, room thermostat and TRVs

  Good

• Hot water

  From main system

  Good

• Lighting

  Below average lighting efficiency

  Very poor

The assessor's estimates at the energy prices in use when the certificate was made (2025), 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

   Flat roof insulation

   Typical cost £900–£1,200 · saves about £79 a year

   Rating after62D
2. 2

   Cavity wall insulation

   Typical cost £900–£1,500 · saves about £67 a year

   Rating after64D
3. 3

   50 mm internal or external wall insulation

   Typical cost £7,500–£11,000 · saves about £216 a year

   Rating after70C
4. 4

   Floor insulation (suspended floor)

   Typical cost £5,000–£10,000 · saves about £90 a year

   Rating after72C
5. 5

   Floor insulation (solid floor)

   Typical cost £5,000–£10,000 · saves about £36 a year

   Rating after73C
6. 6

   Low energy lighting for all fixed outlets

   Typical cost £540–£630 · saves about £98 a year

   Rating after76C

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