2005 - 2009
contributing to 60% reduction in gas and electricity consumption
Insulation
| Insulation of new roof with Tri-Iso Super 9 (equivalent to 200mm mineral wool) | £766 |
| Cavity wall insulation of ground floor kitchen extension | £125 |
| Insulation to flat roof of kitchen extension (100mm insulation slab and vapour barrier) | £646 |
| Internal insulation of wall under bay window | £300 |
| Double glazed window over front door (approx) | £200 |
| Insulating strips for around doors, insulation foil for front and back doors and behind radiators, polystrene for loft hatch (approx) | £30 |
| Total | £2067 |
Energy saving equipment and technology
| Room and radiator thermostats (approx) | £160 |
| Savaplug to freezer | £35 |
| Worcester Bosch 12kW Greenstar 12i Series condensing boiler and heating works | £1980 |
| Viessmann Vitosol 200 D20 solar water system and new water tank | £4995 |
| Building external structure for water tank as no space indoors | £1300 |
| Heat exchange fan for bathroom - £249 plus installation of approx £260 | £500 |
| Total | £8970 |
Furnishings
| Thermal blinds to most windows | £1512 |
| Lined curtains and thermal linings for external walls | £780 |
| Total | £2292 |
Solar panels (PV) - 2005 - now producing slightly more electricity than we use over the year
| Photovoltaic cells (solar panels) (total £9408 of which £4256 covered by ClearSkies grant) | £5152 |
2010
| Under floor insulation of ground floor (90mm Celotex, 5 days labour, and replacing floorboards) |
£1700 |
| Moving 2 radiators from outside walls (inc new radiators £300) |
£550 |
| Heat exchange fan for kitchen £249 (installation as part of total re-wiring) |
£249 |
| 30mm Aerogel insulation (5 sheets costing £1200) to inner surface of bathroom, bedroom and landing walls (plus 2-3 days labour to fit approx £300) | £1500 |
| Total |
£3999 |
Spending on energy saving improvements