2 Downsland Drive

What the assessor found

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

• Walls

  Cavity wall, filled cavity

  Average

• Roof

  Pitched, 100 mm loft insulation

  Average

• Floor

  Solid, no insulation (assumed)

  Not rated on the certificate

• Windows

  Mostly double glazing

  Average

• Heating

  Warm air, mains gas

  Good

• Heating controls

  Programmer and room thermostat

  Average

• Hot water

  From main system, no cylinder thermostat

  Poor

• Lighting

  Low energy lighting in 42% of fixed outlets

  Average

• Second heating

  Room heaters, mains gas

  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 £61 a year

   Rating after54E
2. 2

   Party wall insulation

   Typical cost £300–£600 · saves about £63 a year

   Rating after55D
3. 3

   50 mm internal or external wall insulation

   Typical cost £4,000–£14,000 · saves about £117 a year

   Rating after58D
4. 4

   Floor insulation (solid floor)

   Typical cost £4,000–£6,000 · saves about £109 a year

   Rating after60D
5. 5

   Low energy lighting for all fixed outlets

   Typical cost £35 · saves about £58 a year

   Rating after61D
6. 6

   Replacement warm air unit

   Typical cost £1,250–£2,500 · saves about £158 a year

   Rating after65D
7. 7

   Solar water heating

   Typical cost £4,000–£6,000 · saves about £131 a year

   Rating after68D
8. 8

   Solar photovoltaic panels, 2.5 kWp

   Typical cost £3,500–£5,500 · saves about £564 a year

   Rating after78C

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