55b Windmill 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, 75 mm loft insulation

  Average

• Floor

  Suspended, no insulation (assumed)

  Not rated on the certificate

• Windows

  Fully double glazed

  Good

• Heating

  Boiler and radiators, mains gas

  Good

• Heating controls

  Room thermostat only

  Poor

• Hot water

  From main system

  Good

• Lighting

  Low energy lighting in 71% of fixed outlets

  Very good

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

   Cavity wall insulation

   Typical cost £500–£1,500 · saves about £93 a year

   Rating after63D
2. 2

   50 mm internal or external wall insulation

   Typical cost £4,000–£14,000 · saves about £83 a year

   Rating after66D
3. 3

   Floor insulation (suspended floor)

   Typical cost £800–£1,200 · saves about £21 a year

   Rating after67D
4. 4

   Floor insulation (solid floor)

   Typical cost £4,000–£6,000 · saves about £30 a year

   Rating after69C
5. 5

   Low energy lighting for all fixed outlets

   Typical cost £10 · saves about £19 a year

   Rating after69C
6. 6

   Upgrade heating controls

   Typical cost £350–£450 · saves about £23 a year

   Rating after70C
7. 7

   Solar water heating

   Typical cost £4,000–£6,000 · saves about £27 a year

   Rating after71C
8. 8

   Solar photovoltaic panels, 2.5 kWp

   Typical cost £3,500–£5,500 · saves about £354 a year

   Rating after83B

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