70 Ashburnham Road

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, 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

  Programmer, TRVs and bypass

  Average

• Hot water

  From main system

  Good

• Lighting

  Low energy lighting in 58% of fixed outlets

  Good

The assessor's estimates at the energy prices in use when the certificate was made (2021), 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 £20 a year

   Rating after60D
2. 2

   Cavity wall insulation

   Typical cost £500–£1,500 · saves about £121 a year

   Rating after66D
3. 3

   Floor insulation (suspended floor)

   Typical cost £800–£1,200 · saves about £55 a year

   Rating after68D
4. 4

   Low energy lighting for all fixed outlets

   Typical cost £25 · saves about £26 a year

   Rating after69C
5. 5

   Upgrade heating controls

   Typical cost £350–£450 · saves about £27 a year

   Rating after70C
6. 6

   Replace boiler with new condensing boiler

   Typical cost £2,200–£3,000 · saves about £50 a year

   Rating after73C
7. 7

   Flue gas heat recovery in conjunction with boiler

   Typical cost £400–£900 · saves about £20 a year

   Rating after74C
8. 8

   Solar water heating

   Typical cost £4,000–£6,000 · saves about £21 a year

   Rating after75C
9. 9

   Solar photovoltaic panels, 2.5 kWp

   Typical cost £3,500–£5,500 · saves about £370 a year

   Rating after86B

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