53 Impala Close

What the assessor found

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

• Walls

  Cavity wall, filled cavity

  Average

• Roof

  Pitched, 25 mm loft insulation

  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 20% of fixed outlets

  Poor

The assessor's estimates at the energy prices in use when the certificate was made (2020), 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

   Increase loft insulation to 270 mm

   Typical cost £100–£350 · saves about £125 a year

   Rating after59D
2. 2

   Floor insulation (suspended floor)

   Typical cost £800–£1,200 · saves about £29 a year

   Rating after61D
3. 3

   Floor insulation (solid floor)

   Typical cost £4,000–£6,000 · saves about £51 a year

   Rating after63D
4. 4

   Increase hot water cylinder insulation

   Typical cost £15–£30 · saves about £37 a year

   Rating after64D
5. 5

   Low energy lighting for all fixed outlets

   Typical cost £40 · saves about £50 a year

   Rating after66D
6. 6

   Hot water cylinder thermostat

   Typical cost £200–£400 · saves about £73 a year

   Rating after69C
7. 7

   Replace boiler with new condensing boiler

   Typical cost £2,200–£3,000 · saves about £171 a year

   Rating after76C
8. 8

   Solar water heating

   Typical cost £4,000–£6,000 · saves about £39 a year

   Rating after77C
9. 9

   Solar photovoltaic panels, 2.5 kWp

   Typical cost £3,500–£5,500 · saves about £349 a year

   Rating after88B

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