14 The Paddock

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

  Fully double glazed

  Average

• Heating

  Room heaters, electric

  Very poor

• Heating controls

  Appliance thermostats

  Good

• Hot water

  Electric immersion, off-peak

  Poor

• 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 (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 £86 a year

   Rating after50E
2. 2

   Floor insulation (solid floor)

   Typical cost £4,000–£6,000 · saves about £158 a year

   Rating after54E
3. 3

   Add additional 80 mm jacket to hot water cylinder

   Typical cost £15–£30 · saves about £26 a year

   Rating after54E
4. 4

   High heat retention storage heaters and dual immersion cylinder

   Typical cost £2,000–£3,000 · saves about £604 a year

   Rating after70C
5. 5

   Solar water heating

   Typical cost £4,000–£6,000 · saves about £105 a year

   Rating after72C
6. 6

   Solar photovoltaic panels, 2.5 kWp

   Typical cost £3,500–£5,500 · saves about £590 a year

   Rating after84B

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