3 Henconner Drive

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, 100 mm loft insulation

  Average

• Floor

  Suspended, no insulation (assumed)

  Not rated on the certificate

• Windows

  Fully double glazed

  Average

• Heating

  Boiler and radiators, mains gas

  Good

• Heating controls

  Programmer and room thermostat

  Average

• Hot water

  From main system, no cylinder thermostat

  Poor

• Lighting

  Low energy lighting in all fixed outlets

  Very good

• Second heating

  Portable electric heaters (assumed)

  Not rated on the certificate

The assessor's estimates at the energy prices in use when the certificate was made (2024), 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 £56 a year

   Rating after43E
2. 2

   Cavity wall insulation

   Typical cost £500–£1,500 · saves about £396 a year

   Rating after52E
3. 3

   Floor insulation (suspended floor)

   Typical cost £800–£1,200 · saves about £156 a year

   Rating after55D
4. 4

   Upgrade heating controls

   Typical cost £350–£450 · saves about £68 a year

   Rating after56D
5. 5

   Replace boiler with new condensing boiler

   Typical cost £2,200–£3,000 · saves about £692 a year

   Rating after71C
6. 6

   Solar water heating

   Typical cost £4,000–£6,000 · saves about £157 a year

   Rating after74C
7. 7

   Solar photovoltaic panels, 2.5 kWp

   Typical cost £3,500–£5,500 · saves about £483 a year

   Rating after85B

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