Outbuilding and summerhouse electrics in Banstead
For outbuilding and summerhouse electrics across Banstead and Surrey, TMB Electrics completes installations with clear written pricing and the testing and documentation each property requires.
Calls answered 24/7
- 14 years trading
- Local to Banstead
- Clear, upfront quotes
Outbuilding and summerhouse electrics prices
Outbuilding and summerhouse electrics start from £450. Distance from the house, the number of lights and sockets, and a fuse board inside the building all change that starting price.
From £450
Included
- A supply from the house into the shed, summerhouse or garden room
- Lights and sockets inside the building
- A fuse board in the outbuilding when the circuits need one
- Testing of the new work
- The installation documents the job requires
Not included
- The shed or summerhouse building itself
- Joinery, decorating or flooring inside the garden building
- Path lights and spikes away from the building, which sit under garden and outdoor lighting
Ways to pay


- Pay by bank
- Bank transfer
- Starting prices, not a fixed figure for every shed or summerhouse.
- The written price follows the run from the house, the circuits inside, and any fuse board in the building.
- Cable, fittings, testing and documents for this installation sit in that quote.
Power for a summerhouse or shed
A shed, summerhouse or garden room needs this work when lights, sockets and a supply from the house replace an extension lead.
- A summerhouse used after darkYou want lights and a heater or kettle inside, without running a lead from the kitchen.
- A workshop shedTools, chargers and a radio need sockets on a protected circuit, not a reel on the grass.
- A garden room deskA laptop, lamp and monitor need sockets in the building and a tested supply from the house.
- A garden studio for tenantsA garden studio for tenants needs lights, sockets, testing and documents, not a temporary lead.
What happens on the day
TMB Electrics isolates the house board while the new supply is connected, fits the interiors, then tests and hands over the documents.
- Arrival at the houseTMB Electrics walks from the house board to the garden building, isolates that board for the new supply, and protects floors and lawn.
- Fitting the supply and interiorsA supply is run into the outbuilding, then lights, sockets and any fuse board inside are fitted and connected.
- Testing and the certificateThe new circuits are tested, power is restored, and you are given the installation documents for the job.
How booking works
Tell us about the job
Tap Book Now and describe the work in the chat. Photos help.
Get your price
You see your price in the chat. A set price is paid at checkout; any other job is quoted first.
Choose your visit
Give your address and when you are free, and the visit is arranged.
Follow your job from booking to receipt
See when we're on our way, get your job report the moment we finish, and pay in seconds.
Track us on our way
See us on the map with a live arrival time.
Your job report, same day
See exactly what was done as soon as we finish.
Invoice and receipt in one place
Pay online in seconds, and your receipt is always there when you need it.
Why choose TMB Electrics
- Reviews
- 38
- Rating
- 5.0
- Trading since
- 2012
“I keep things straightforward: you deal with me from the first quote to the final check, with clear advice and no surprises along the way.”
Trevor Bush, TMB Electrics
Book NowPhotos of our work
How much do outbuilding electrics cost?
Outbuilding and summerhouse electrics start from £450. A longer cable run from the house or extra lights and sockets inside raises the written price. Book Now for the figure that applies to your building.
Can you put lights and sockets in a shed?
Yes, TMB Electrics puts lights, sockets and a supply from the house into sheds, summerhouses and garden rooms. The circuits are tested at the end of the job. You keep the installation documents.
Do I need a consumer unit in the summerhouse?
A consumer unit, the fuse board, goes in the summerhouse when that building needs its own circuits and protection. A short supply with a small load can come from the house fuse board. The written price names which arrangement the job uses.
Does the house lose power during the work?
The house fuse board is isolated while the new supply is connected. Power to the rest of the house returns once that connection is tested. Fitting work inside the garden building does not keep the house off.
What certificate do I get for summerhouse electrics?
You get the testing and the installation documents the job requires. New circuits are recorded as installation work, and TMB Electrics is Part P certified for notifiable work. Smaller additions can use minor works certification from £80.
