4 Normanton Park

What the assessor found

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

• Walls

  Cavity wall, filled cavity

  Good

• Roof

  Pitched, 100 mm loft insulation

  Average

• Floor

  Suspended, no insulation (assumed)

  Not rated on the certificate

• Heating

  Portable electric heaters assumed for most rooms

  Very poor

• Heating controls

  No thermostatic control of room temperature

  Poor

• Hot water

  Electric immersion, standard tariff

  Very poor

• Lighting

  Low energy lighting in 80% of fixed outlets

  Very good

• 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 (2014), 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 £38 a year

   Rating after36F
2. 2

   Floor insulation

   Typical cost £800–£1,200 · saves about £114 a year

   Rating after41E
3. 3

   Add additional 80 mm jacket to hot water cylinder

   Typical cost £15–£30 · saves about £22 a year

   Rating after42E
4. 4

   Draught proof single-glazed windows

   Typical cost £80–£120 · saves about £13 a year

   Rating after42E
5. 5

   Change room heaters to condensing boiler

   Typical cost £3,000–£7,000 · saves about £568 a year

   Rating after74C
6. 6

   Solar water heating

   Typical cost £4,000–£6,000 · saves about £40 a year

   Rating after76C
7. 7

   Solar photovoltaic panels, 2.5 kWp

   Typical cost £9,000–£14,000 · saves about £258 a year

   Rating after86B

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