14 Repton Road

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

• 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 31% 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 (2013), 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 £228 a year

   Rating after59D
2. 2

   Floor insulation

   Typical cost £800–£1,200 · saves about £43 a year

   Rating after60D
3. 3

   Draught proof single-glazed windows

   Typical cost £80–£120 · saves about £26 a year

   Rating after62D
4. 4

   Low energy lighting for all fixed outlets

   Typical cost £55 · saves about £33 a year

   Rating after63D
5. 5

   Upgrade heating controls

   Typical cost £350–£450 · saves about £39 a year

   Rating after64D
6. 6

   Solar water heating

   Typical cost £4,000–£6,000 · saves about £31 a year

   Rating after65D
7. 7

   Replace single glazed windows with low-E double glazed windows

   Typical cost £3,300–£6,500 · saves about £69 a year

   Rating after68D
8. 8

   Solar photovoltaic panels, 2.5 kWp

   Typical cost £9,000–£14,000 · saves about £254 a year

   Rating after77C

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