19 Avis Square

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

  (another dwelling above)

  Not rated on the certificate

• Floor

  Solid, no insulation (assumed)

  Not rated on the certificate

• Windows

  Single glazed

  Very poor

• 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 all fixed outlets

  Very good

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

   Cavity wall insulation

   Typical cost £500–£1,500 · saves about £103 a year

   Rating after69C
2. 2

   Floor insulation (solid floor)

   Typical cost £4,000–£6,000 · saves about £44 a year

   Rating after71C
3. 3

   Draught proof single-glazed windows

   Typical cost £80–£120 · saves about £5 a year

   Rating after72C
4. 4

   Replace single glazed windows with low-E double glazed windows

   Typical cost £3,300–£6,500 · saves about £53 a year

   Rating after75C

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