- Attic insulation – Add/Replace
- Composters – Install/Replace
- Digital thermostats – Install/Replace
- Low energy lighting – Install/Replace
- Underfloor heating – Install/Replace
- Water butts – Install/Replace
- Windows – Repair/Replace/Insulate/Draught proof
Insulate attics
Install new windows
Draught proof existing windows
Install low energy bulbs
Install water butts
...