30 Heaton Close

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, 100 mm loft insulation

  Average

• Floor

  Suspended, no insulation (assumed)

  Not rated on the certificate

• Windows

  Fully double glazed

  Average

• Heating

  Boiler and radiators, mains gas

  Good

• Heating controls

  Programmer, room thermostat and TRVs

  Good

• Hot water

  From main system

  Average

• Lighting

  Low energy lighting in 90% of fixed outlets

  Very good

• Second heating

  Room heaters, electric

  Not rated on the certificate

The assessor's estimates at the energy prices in use when the certificate was made (2018), 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 £34 a year

   Rating after54E
2. 2

   Cavity wall insulation

   Typical cost £500–£1,500 · saves about £228 a year

   Rating after62D
3. 3

   Party wall insulation

   Typical cost £300–£600 · saves about £39 a year

   Rating after64D
4. 4

   Floor insulation (suspended floor)

   Typical cost £800–£1,200 · saves about £65 a year

   Rating after66D
5. 5

   Replace boiler with new condensing boiler

   Typical cost £2,200–£3,000 · saves about £152 a year

   Rating after72C
6. 6

   Solar water heating

   Typical cost £4,000–£6,000 · saves about £41 a year

   Rating after74C
7. 7

   Solar photovoltaic panels, 2.5 kWp

   Typical cost £5,000–£8,000 · saves about £301 a year

   Rating after82B

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