Paragraphs 4.59 to 4.63 of the 2019 design guide
Plenty of councils say nothing at all about converting a garage. Tamworth does. Its Design SPD, adopted in July 2019, has a short section on garages and vehicle access, and the first thing it raises is the car. Turn the garage into a room, it says, and you may lose parking on your own plot, which pushes cars onto the street. So the council wants to see how the displaced car will fit on site.
That is guidance for anyone who applies, not a ban, and most conversions here never reach a planning officer. But if yours does, because of a condition, an Article 4 direction or a conservation area, expect that question.
The same section says the Staffordshire County Council highways team may need to give permission for a garage conversion, usually because of the kerb. The county is the highway authority for Tamworth, and its dropped kerb rules want a parking space set back 6 metres from the road, with 4.8 metres as the absolute minimum, measured square to the road. Parking sideways across the front doesn't count. On an A, B or C road you need planning permission from the borough before the county will even look at the application.
There is a catch. The design guide also wants front gardens to keep their planting rather than be paved for cars, and on some estates the council has removed the right to alter open plan front gardens without permission. If your house already has a proper drive, none of this matters much. If it doesn't, sort out the parking before you pay for drawings of the room.
Ten ways to use the space, sized up for Tamworth
How each type suits the town's houses and rules. The longer guides cover the detail.
Integral garage. If yours is on one of the newer estates, such as the urban extensions planned in the 2016 Local Plan at Anker Valley, Dunstall Lane and the former golf course, start with the paperwork. The Planning Portal warns that on new housing developments the right to convert a garage has sometimes been taken away, so ask the council for the planning history of your house first.
Single garage. Before anything else, measure from the garage door to the back of the pavement. With 6 metres of drive the car has somewhere to go. With much less, you'll be adding to the queue of cars on the road.
Read our full guide: Single Garage Conversion: What Is Involved and What to Budget For →
Bedroom. Popular in a borough where half the homes have three bedrooms. A bedroom you can only reach through another room needs an escape window, and LABC's guidance puts the clear opening at 450mm by 733mm, no more than 1.1m off the floor.
Home office. Kept as part of the house, it's about the simplest planning case there is. Building control still wants it warm, dry and ventilated.
Utility or playroom. Where the garage backs onto the kitchen, plumbing a utility in is quick work. A playroom is a habitable room to the inspector, so it gets the same insulation and ventilation as a lounge.
Double garage. The council's guide treats 3m by 6m inside as the smallest garage it will approve, so a narrow old garage that falls short isn't worth much as parking anyway.
Gym or studio. An existing garage floor should cope with ordinary domestic loads, by the Planning Portal's reckoning. Heavy weights and a lifting platform aren't ordinary, so get the slab looked at before you fill it.
Detached garage. A hobby room or workshop used by the household typically needs no planning permission. Make it a self-contained place for someone to live and the Planning Portal says that is a material change of use, so you will need permission.
Planning and building control. Internal work on a house with its rights intact rarely needs an application. Building control is a separate matter, handled here by Central Building Control, the partnership Tamworth shares with five neighbouring councils.
Cost. We won't print a Tamworth figure. A garage with a single skin of brick and no footing under the door is a bigger job than a cavity-walled one on a recent estate. Get three people to look at it.
Filling in the door so it looks like it was always there
The new front wall is the only part of the job the street sees, and Tamworth's guide is blunt about it. Materials, detailing and window patterns should match the house. Stripped down, blank elevations that don't match the original are not usually supported. A patch of odd brick with a small window floating in it is what to avoid.
The guide adds that remodelling the outside can need permission even when no floor space is added, especially in conservation areas. Five of Tamworth's seven have Article 4 directions on individual houses, Amington Green among them. The appraisals for Dosthill and Amington Green both record 1960s housing built into the old village cores, so a post-war house there can still be in a conservation area. If you're unsure, phone the planning team before work starts.
Underneath, there may be no footing where the door was. LABC says the new wall can sometimes be carried on a suitable lintel instead, and the floor membrane has to lap the damp course in the old walls.
The floor, and what lies under it
Garage floors usually sit lower than the house, and the Planning Portal suggests bringing the level up to match with a screed of about 75mm or a timber floor kept 150mm clear of the concrete. A membrane goes in either way. Look up your postcode on the UKradon map too, since that decides whether the floor needs radon protection.
If the house is near the Tame or the Anker, check the Environment Agency flood map before turning the garage into a bedroom. A room for sleeping at ground level is the one to think twice about there.
Where these facts come from
- Tamworth Design SPD (July 2019)
- Staffordshire County Council: dropped kerbs
- Tamworth Borough Council: conservation areas and Article 4 directions
- Dosthill Conservation Area appraisal
- Amington Green Conservation Area appraisal
- Tamworth Local Plan 2006 to 2031
- Planning Portal: garage conversion planning permission
- Planning Portal: is building regulations approval needed for a garage conversion?
- Planning Portal: garage conversion flooring
- Planning Portal: converting a detached garage into self-contained living space
- Planning Portal: converting a garage into a workshop
- LABC: garage conversion tips from building control
- Central Building Control partnership
- Staffordshire County Council: Census 2021 housing briefing
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Questions people in Tamworth ask
We're on a corner with the drive onto an A road. Can we still convert?
The conversion itself is usually fine. The trouble comes if you need a new or wider dropped kerb to make up the lost space, because on a classified road Staffordshire County Council wants planning permission from Tamworth Borough Council first. Ask the borough about that before you commit.
Our drive is about 5 metres long. Is that enough to replace the garage space?
It clears the county's absolute minimum of 4.8 metres for a space in front of a dropped kerb, but falls short of the 6 metres it prefers. A larger car may overhang the pavement, so measure your own car too.
Can we pave the front lawn to make up for losing the garage?
Possibly, but don't assume it. Tamworth's design guide wants front gardens kept soft where it can, and on some estates the council has removed the right to alter open plan front gardens. Ask the planning team whether yours is one.
Who signs off the work in Tamworth?
Central Building Control, the shared service covering Tamworth, Lichfield, North Warwickshire and three other councils, unless you use a private approved inspector. Keep the completion certificate for when you sell.