106c Devonport 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, 75 mm loft insulation

  Average

• Floor

  (other premises below)

  Not rated on the certificate

• Heating

  Boiler and radiators, mains gas

  Good

• Heating controls

  Programmer, no room thermostat

  Very poor

• Hot water

  From main system

  Good

• Lighting

  Low energy lighting in 67% of fixed outlets

  Good

The assessor's estimates at the energy prices in use when the certificate was made (2011), 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–?300 · saves about £37 a year

   Rating after65D
2. 2

   Cavity wall insulation

   Typical cost ?100–?300 · saves about £22 a year

   Rating after66D
3. 3

   Low energy lighting for all fixed outlets

   Typical cost ?5 · saves about £8 a year

   Rating after67D
4. 4

   Upgrade heating controls

   Typical cost ?350–?450 · saves about £52 a year

   Rating after70C
5. 5

   Replace boiler with new condensing boiler

   Typical cost ?1,500–?3,500 · saves about £39 a year

   Rating after72C
6. 6

   Replace single glazed windows with low-E double glazed windows

   Typical cost ?2,500–?6,500 · saves about £43 a year

   Rating after75C
7. 7

   50 mm internal or external wall insulation

   Typical cost ?5,500–?14,500 · saves about £49 a year

   Rating after78C

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