30 Hoadly Road

What the assessor found

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

• Walls

  Solid brick, as built, no insulation (assumed)

  Very poor

• Roof

  Pitched, 200 mm loft insulation

  Good

• Floor

  Solid, no insulation (assumed)

  Not rated on the certificate

• Windows

  Single glazed

  Very poor

• 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 64% of fixed outlets

  Good

The assessor's estimates at the energy prices in use when the certificate was made (2015), 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

   50 mm internal or external wall insulation

   Typical cost £4,000–£14,000 · saves about £514 a year

   Rating after65D
2. 2

   Floor insulation (solid floor)

   Typical cost £4,000–£6,000 · saves about £59 a year

   Rating after67D
3. 3

   Draught proof single-glazed windows

   Typical cost £80–£120 · saves about £19 a year

   Rating after68D
4. 4

   Low energy lighting for all fixed outlets

   Typical cost £25 · saves about £23 a year

   Rating after68D
5. 5

   Solar water heating

   Typical cost £4,000–£6,000 · saves about £87 a year

   Rating after71C
6. 6

   Replace single glazed windows with low-E double glazed windows

   Typical cost £3,300–£6,500 · saves about £95 a year

   Rating after74C
7. 7

   Solar photovoltaic panels, 2.5 kWp

   Typical cost £5,000–£8,000 · saves about £269 a year

   Rating after81B

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