30 Oaks 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, 250 mm loft insulation

  Good

• Floor

  Solid, no insulation (assumed)

  Not rated on the certificate

• Windows

  Fully double glazed

  Average

• Heating

  Boiler and radiators, mains gas

  Good

• Heating controls

  Programmer, room thermostat and TRVs

  Good

• Hot water

  From main system, no cylinder thermostat

  Average

• Lighting

  Low energy lighting in all fixed outlets

  Very good

• Second heating

  Room heaters, wood logs

  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

   Room-in-roof insulation

   Typical cost £1,500–£2,700 · saves about £192 a year

   Rating after58D
2. 2

   Cavity wall insulation

   Typical cost £500–£1,500 · saves about £201 a year

   Rating after60D
3. 3

   Floor insulation (solid floor)

   Typical cost £4,000–£6,000 · saves about £292 a year

   Rating after64D
4. 4

   Increase hot water cylinder insulation

   Typical cost £15–£30 · saves about £65 a year

   Rating after65D
5. 5

   Hot water cylinder thermostat

   Typical cost £200–£400 · saves about £157 a year

   Rating after67D
6. 6

   Replace boiler with new condensing boiler

   Typical cost £2,200–£3,000 · saves about £314 a year

   Rating after71C
7. 7

   Solar water heating

   Typical cost £4,000–£6,000 · saves about £81 a year

   Rating after72C
8. 8

   Solar photovoltaic panels, 2.5 kWp

   Typical cost £3,500–£5,500 · saves about £589 a year

   Rating after78C

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