75 Ashridge Crescent

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, 250 mm loft insulation

  Good

• Floor

  Suspended, no insulation (assumed)

  Not rated on the certificate

• Windows

  Fully double glazed

  Poor

• Heating

  Electric storage heaters

  Average

• Heating controls

  Manual charge control

  Poor

• Hot water

  From main system, no cylinder thermostat

  Poor

• Lighting

  Below average lighting efficiency

  Poor

• 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 (2025), 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 £900–£1,500 · saves about £1,246 a year

   Rating after44E
2. 2

   Floor insulation (suspended floor)

   Typical cost £5,000–£10,000 · saves about £240 a year

   Rating after48E
3. 3

   Insulate hot water cylinder with 80 mm jacket

   Typical cost £20–£40 · saves about £114 a year

   Rating after51E
4. 4

   Low energy lighting for all fixed outlets

   Typical cost £150–£175 · saves about £43 a year

   Rating after52E
5. 5

   Change heating to gas condensing boiler

   Typical cost £3,500–£10,000 · saves about £1,322 a year

   Rating after69C
6. 6

   Solar photovoltaic panels, 2.5 kWp

   Typical cost £8,000–£10,000 · saves about £234 a year

   Rating after73C

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