Flat 9 25 Stepney Green

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)

  Poor

• Roof

  Flat, limited insulation

  Very poor

• Floor

  Solid, no insulation (assumed)

  Not rated on the certificate

• Windows

  Single glazed

  Very poor

• Heating

  Room heaters, electric

  Very poor

• Heating controls

  Programmer and appliance thermostats

  Good

• Hot water

  Electric instantaneous at point of use

  Very poor

• Lighting

  Good lighting efficiency

  Good

The assessor's estimates at the energy prices in use when the certificate was made (2026), 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 £468 a year

   Rating after63D
2. 2

   50 mm internal or external wall insulation

   Typical cost £7,500–£11,000 · saves about £47 a year

   Rating after65D
3. 3

   Floor insulation (solid floor)

   Typical cost £5,000–£10,000 · saves about £38 a year

   Rating after67D
4. 4

   Draught proof single-glazed windows

   Typical cost £150–£250 · saves about £9 a year

   Rating after68D
5. 5

   High heat retention storage heaters

   Typical cost £400–£800 · saves about £181 a year

   Rating after78C
6. 6

   Replace single glazed windows with low-E double glazed windows

   Typical cost £4,500–£6,000 · saves about £35 a year

   Rating after79C
7. 7

   High performance external doors

   Typical cost £1,800–£2,400 · saves about £45 a year

   Rating after81B

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