Extensions
Single-storey and double-storey rear and side extensions, side-return kitchen extensions and wrap-around extensions.
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Loft and garage conversions
Roof-window and dormer loft conversions, and turning a garage into a room, office or annexe.
Renovations and structural work
Knocking through walls with steel beams, internal alterations, brickwork, repointing and general building repairs.
Before you get quotes for building work in Slough, check which planning rules apply to your home. Planning applications go to Slough Borough Council, which publishes guidance on residential extensions. Slough has five conservation areas: Colnbrook, St Bernard's School, St Mary's Church in Langley, Sussex Place and Clifton Road, and Upton Park and Upton Village. If your home is in one, or is listed, changes to the outside may need permission. Not every SL postcode is in Slough: Burnham, Farnham Royal and Stoke Poges are in Buckinghamshire, and Datchet is in Windsor and Maidenhead.
Most building work in Slough is on inter-war and post-war houses in areas such as Cippenham, Britwell, Wexham and Langley, and on the older Victorian streets of Upton and Chalvey. Common projects include:
- Single-storey rear and side extensions, and kitchen extensions.
- Loft conversions with a rear dormer. Many inter-war houses have hipped roofs, so a hip-to-gable conversion is often needed to make enough headroom.
- Converting an integral garage into a room or home office.
- Garden rooms and outbuildings.
Garden rooms used as an office, gym or hobby space often don't need planning permission, depending on their size and position. But an outbuilding that someone will live or sleep in usually needs planning permission and building regulations approval, and Slough Borough Council has fined landlords for renting out illegal outbuildings. If you're converting a house into flats, or letting it to sharers, check the planning, building regulations and licensing position before work starts.
On semi-detached and terraced houses, work on or near a shared wall often needs a party wall agreement with your neighbours before it starts. Your building control officer or engineer will set the foundation depth for an extension, especially near trees or drains.
When you compare builders, ask for itemised quotes on the same drawings. Check that each quote says who deals with building control and what the payment stages are, and never pay large sums upfront. Reviews on Trade Pilot are tied to real, invoiced jobs, so you can see how a builder has handled projects like yours.
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Frequently Asked Questions
Post your job on Trade Pilot with your postcode, drawings and photos, and up to 3 vetted builders covering Slough can quote. Compare itemised quotes on the same drawings, and read reviews from real, invoiced jobs.
Many single-storey rear extensions fall under permitted development. Conservation areas, listed buildings and flats have extra limits. Check with Slough Borough Council, which publishes guidance on residential extensions.
Often, yes. Many inter-war houses have hipped roofs, so a hip-to-gable conversion with a rear dormer is common. Ask builders to include the structural work and building control in their quotes.
Often not, if it's used as an office or hobby space and meets the size and position limits. If anyone will live or sleep in it, it usually needs planning permission and building regulations approval.
Often, yes. If you're building on or near a shared wall, or digging foundations close to a neighbour's, you normally need to serve notice under the Party Wall etc. Act 1996 before work starts.
Avoid large upfront payments. Agree stage payments tied to finished work, and get a written contract that sets out the scope, price and timings.
Yes. Posting a job and receiving quotes is free for homeowners, and you don't have to accept any quote.
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