67 Throwley Close

What the assessor found

Each part of the home, with the certificate's own energy efficiency rating.

• Walls

  Cavity wall, as built, no insulation (assumed)

  Poor

• Roof

  Pitched, 200 mm loft insulation

  Good

• Floor

  Solid, no insulation (assumed)

  Not rated on the certificate

• Windows

  Fully double glazed

  Average

• Heating

  Room heaters, electric

  Very poor

• Heating controls

  Appliance thermostats

  Good

• Hot water

  Electric immersion, standard tariff

  Very poor

• Lighting

  Low energy lighting in 40% of fixed outlets

  Average

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

   Cavity wall insulation

   Typical cost £500–£1,500 · saves about £241 a year

   Rating after49E
2. 2

   Floor insulation (solid floor)

   Typical cost £4,000–£6,000 · saves about £78 a year

   Rating after52E
3. 3

   Low energy lighting for all fixed outlets

   Typical cost £30 · saves about £23 a year

   Rating after53E
4. 4

   High heat retention storage heaters and dual immersion cylinder

   Typical cost £1,600–£2,400 · saves about £547 a year

   Rating after74C
5. 5

   Solar water heating

   Typical cost £4,000–£6,000 · saves about £71 a year

   Rating after76C
6. 6

   Solar photovoltaic panels, 2.5 kWp

   Typical cost £3,500–£5,500 · saves about £366 a year

   Rating after87B

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