73 Lois Drive

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, 200 mm loft insulation

  Good

• 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

  Low energy lighting in all fixed outlets

  Very good

The assessor's estimates at the energy prices in use when the certificate was made (2023), 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 £425 a year

   Rating after71C
2. 2

   Floor insulation (suspended floor)

   Typical cost £800–£1,200 · saves about £174 a year

   Rating after75C
3. 3

   Solar water heating

   Typical cost £4,000–£6,000 · saves about £73 a year

   Rating after76C
4. 4

   Solar photovoltaic panels, 2.5 kWp

   Typical cost £3,500–£5,500 · saves about £677 a year

   Rating after87B

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