18 Venette Close

What the assessor found

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

• Walls

  Cavity wall, as built, partial insulation (assumed)

  Average

• Roof

  Pitched, limited insulation (assumed)

  Poor

• Floor

  Solid, no insulation (assumed)

  Not rated on the certificate

• Windows

  Fully double glazed

  Good

• 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 45% of fixed outlets

  Good

• 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 (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

   Cavity wall insulation

   Typical cost £500–£1,500 · saves about £308 a year

   Rating after56D
2. 2

   Floor insulation (solid floor)

   Typical cost £4,000–£6,000 · saves about £166 a year

   Rating after59D
3. 3

   Low energy lighting for all fixed outlets

   Typical cost £30 · saves about £60 a year

   Rating after60D
4. 4

   Hot water cylinder thermostat

   Typical cost £200–£400 · saves about £179 a year

   Rating after63D
5. 5

   Upgrade heating controls

   Typical cost £350–£450 · saves about £74 a year

   Rating after65D
6. 6

   Replace boiler with new condensing boiler

   Typical cost £2,200–£3,000 · saves about £355 a year

   Rating after71C
7. 7

   Solar water heating

   Typical cost £4,000–£6,000 · saves about £102 a year

   Rating after73C
8. 8

   Solar photovoltaic panels, 2.5 kWp

   Typical cost £3,500–£5,500 · saves about £676 a year

   Rating after83B

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