1a 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)

  Very poor

• Roof

  Pitched, no insulation (assumed)

  Very poor

• Floor

  Suspended, no insulation (assumed)

  Not rated on the certificate

• Windows

  Single glazed

  Very poor

• 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

The assessor's estimates at the energy prices in use when the certificate was made (2021), 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

   50 mm internal or external wall insulation

   Typical cost £4,000–£14,000 · saves about £200 a year

   Rating after51E
2. 2

   Floor insulation (suspended floor)

   Typical cost £800–£1,200 · saves about £32 a year

   Rating after53E
3. 3

   Insulate hot water cylinder with 80 mm jacket

   Typical cost £15–£30 · saves about £143 a year

   Rating after60D
4. 4

   Draught proof single-glazed windows

   Typical cost £80–£120 · saves about £7 a year

   Rating after61D
5. 5

   Hot water cylinder thermostat

   Typical cost £200–£400 · saves about £47 a year

   Rating after63D
6. 6

   Upgrade heating controls

   Typical cost £350–£450 · saves about £20 a year

   Rating after64D
7. 7

   Solar water heating

   Typical cost £4,000–£6,000 · saves about £41 a year

   Rating after67D
8. 8

   Replace single glazed windows with low-E double glazed windows

   Typical cost £3,300–£6,500 · saves about £42 a year

   Rating after69C
9. 9

   Solar photovoltaic panels, 2.5 kWp

   Typical cost £3,500–£5,500 · saves about £344 a year

   Rating after82B

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