- Erecting a new building
- Extending an existing building
- Converting a loft
- Underpinning foundations
- Converting a barn or domestic garage
- Providing or extending an electrical supply *
- Replacing windows (unless using a self-certification scheme such as FENSA or CERTASS)
- Providing fire safety work (mainly commercial buildings)
- Providing disability work (for example providing a level access shower or a lift)
- Removing a load bearing wall
- Installing new doors or window openings
- Installing sanitary and washing facilities/alterations to drainage *
- Installing heating appliances and oil storage tanks *
- Installing renewable energy (for example solar panels or wind turbines) *
- Erecting new chimneys, flue liners or flues *
- Altering structural not considered a repair (advice given in each case)
- Installing cavity wall insulation *
- Altering roof spaces
- Re-roofing pitched or flat roofs *
- Replacing shop fronts
- Providing remedial work to a thermal element (for example renewing external render or re tiling/slating of your roof) *
- Installing air conditioning units *
- Altering a listed building
* unless you're using a contractor registered under the Competent Person Scheme