7 Roslings 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, 150 mm loft insulation

  Good

• 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, no cylinder thermostat

  Poor

• Lighting

  No low energy lighting

  Very poor

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 £322 a year

   Rating after50E
2. 2

   Floor insulation

   Typical cost £800–£1,200 · saves about £87 a year

   Rating after54E
3. 3

   Add additional 80 mm jacket to hot water cylinder

   Typical cost £15–£30 · saves about £34 a year

   Rating after55D
4. 4

   Low energy lighting for all fixed outlets

   Typical cost £45 · saves about £42 a year

   Rating after57D
5. 5

   Hot water cylinder thermostat

   Typical cost £200–£400 · saves about £99 a year

   Rating after61D
6. 6

   Upgrade heating controls

   Typical cost £350–£450 · saves about £39 a year

   Rating after63D
7. 7

   Replace boiler with new condensing boiler

   Typical cost £2,200–£3,000 · saves about £198 a year

   Rating after71C
8. 8

   Solar water heating

   Typical cost £4,000–£6,000 · saves about £37 a year

   Rating after72C
9. 9

   Solar photovoltaic panels, 2.5 kWp

   Typical cost £9,000–£14,000 · saves about £253 a year

   Rating after82B

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