11 Hendre Close

What the assessor found

Each part of the home, with the certificate's own energy efficiency rating.

• Walls

  Timber frame, as built, partial insulation (assumed)

  Average

• Roof

  Pitched, limited insulation (assumed)

  Very poor

• Floor

  Solid, no insulation (assumed)

  Not rated on the certificate

• Heating

  Boiler and radiators, mains gas

  Good

• Heating controls

  Programmer and room thermostat

  Average

• Hot water

  From main system

  Good

• Lighting

  Low energy lighting in 33% of fixed outlets

  Average

The assessor's estimates at the energy prices in use when the certificate was made (2014), 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 £23 a year

   Rating after60D
2. 2

   50 mm internal or external wall insulation

   Typical cost £4,000–£14,000 · saves about £35 a year

   Rating after62D
3. 3

   Floor insulation

   Typical cost £800–£1,200 · saves about £45 a year

   Rating after64D
4. 4

   Low energy lighting for all fixed outlets

   Typical cost £30 · saves about £23 a year

   Rating after65D
5. 5

   Upgrade heating controls

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

   Rating after66D
6. 6

   Replace boiler with new condensing boiler

   Typical cost £2,200–£3,000 · saves about £107 a year

   Rating after72C
7. 7

   Flue gas heat recovery in conjunction with boiler

   Typical cost £900 · saves about £22 a year

   Rating after73C
8. 8

   Solar photovoltaic panels, 2.5 kWp

   Typical cost £9,000–£14,000 · saves about £248 a year

   Rating after84B
9. 9

   Wind turbine

   Typical cost £1,500–£4,000 · saves about £21 a year

   Rating after85B

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