30 Dewe Road

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, no insulation

  Very poor

• Floor

  Suspended, no insulation (assumed)

  Not rated on the certificate

• Windows

  Mostly double glazing

  Average

• Heating

  Room heaters, electric

  Very poor

• Heating controls

  Appliance thermostats

  Good

• Hot water

  Electric instantaneous at point of use

  Very poor

• Lighting

  Low energy lighting in 43% of fixed outlets

  Average

• Second heating

  Portable electric heaters (assumed)

  Not rated on the certificate

The assessor's estimates at the energy prices in use when the certificate was made (2022), 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 £554 a year

   Rating after36F
2. 2

   50 mm internal or external wall insulation

   Typical cost £4,000–£14,000 · saves about £360 a year

   Rating after48E
3. 3

   Floor insulation (suspended floor)

   Typical cost £800–£1,200 · saves about £153 a year

   Rating after53E
4. 4

   Draught proof single-glazed windows

   Typical cost £80–£120 · saves about £23 a year

   Rating after54E
5. 5

   Low energy lighting for all fixed outlets

   Typical cost £20 · saves about £23 a year

   Rating after55D
6. 6

   High heat retention storage heaters

   Typical cost £1,600–£2,400 · saves about £403 a year

   Rating after70C
7. 7

   Solar water heating

   Typical cost £4,000–£6,000 · saves about £154 a year

   Rating after75C
8. 8

   Solar photovoltaic panels, 2.5 kWp

   Typical cost £3,500–£5,500 · saves about £405 a year

   Rating after86B

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