18 Sandfields Road

What the assessor found

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

• Walls

  Granite or whinstone, as built, no insulation (assumed)

  Very poor

• Roof

  Pitched, 250 mm loft insulation

  Good

• Floor

  Solid, no insulation (assumed)

  Not rated on the certificate

• Windows

  Fully double glazed

  Good

• Heating

  Boiler and radiators, mains gas

  Good

• Heating controls

  Programmer, no room thermostat

  Very poor

• Hot water

  From main system

  Good

• Lighting

  No low energy lighting

  Very poor

The assessor's estimates at the energy prices in use when the certificate was made (2016), 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

   Flat roof insulation

   Typical cost £850–£1,500 · saves about £91 a year

   Rating after61D
2. 2

   Cavity wall insulation

   Typical cost £500–£1,500 · saves about £88 a year

   Rating after65D
3. 3

   50 mm internal or external wall insulation

   Typical cost £4,000–£14,000 · saves about £104 a year

   Rating after69C
4. 4

   Floor insulation (solid floor)

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

   Rating after71C
5. 5

   Draught proof single-glazed windows

   Typical cost £80–£120 · saves about £20 a year

   Rating after72C
6. 6

   Low energy lighting for all fixed outlets

   Typical cost £40 · saves about £44 a year

   Rating after74C
7. 7

   Upgrade heating controls

   Typical cost £350–£450 · saves about £60 a year

   Rating after76C
8. 8

   Solar water heating

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

   Rating after77C
9. 9

   Solar photovoltaic panels, 2.5 kWp

   Typical cost £5,000–£8,000 · saves about £293 a year

   Rating after88B

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