Fermain Rowly 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, 25 mm loft insulation

  Poor

• Floor

  Solid, no insulation (assumed)

  Not rated on the certificate

• Windows

  Fully double glazed

  Poor

• Heating

  Boiler and radiators, mains gas

  Good

• Heating controls

  Programmer and room thermostat

  Average

• Hot water

  From main system

  Good

• Lighting

  Below average lighting efficiency

  Poor

• Second heating

  Room heaters, dual fuel (mineral and wood)

  Not rated on the certificate

The assessor's estimates at the energy prices in use when the certificate was made (2026), 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 £900–£1,200 · saves about £106 a year

   Rating after57D
2. 2

   Flat roof insulation

   Typical cost £900–£1,200 · saves about £46 a year

   Rating after58D
3. 3

   Cavity wall insulation

   Typical cost £900–£1,500 · saves about £330 a year

   Rating after65D
4. 4

   Floor insulation (solid floor)

   Typical cost £5,000–£10,000 · saves about £93 a year

   Rating after67D
5. 5

   Low energy lighting for all fixed outlets

   Typical cost £210–£245 · saves about £39 a year

   Rating after68D
6. 6

   Upgrade heating controls

   Typical cost £220–£250 · saves about £45 a year

   Rating after69C
7. 7

   Solar water heating

   Typical cost £4,000–£7,000 · saves about £49 a year

   Rating after70C
8. 8

   Solar photovoltaic panels, 2.5 kWp

   Typical cost £8,000–£10,000 · saves about £217 a year

   Rating after75C

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