Linked houses and flat roofs
Oakley and Wootton have a house type the council's 2023 design guide singles out. In Oakley it counts a large number of link detached homes with garages, many of them flat roofed and joined to the next property. In Wootton it notes flat roofed entrances and garages built out from the main house, hiding the front door.
These make good conversions, but they come with two quirks. The garage often shares a wall with next door's, so sound between the two rooms needs thought. And an old flat garage roof is usually the weak point for warmth and damp. Expect your builder to talk about the roof before the carpet.
Across the borough, the 2021 Census puts just over a quarter of households in detached houses and a third in semis, which is where most of the borough's garages are. The age of the house matters more than its size, because the newer the estate, the more likely its original permission says something about the garage.
Six metres of drive
If your plan is to park on the front garden instead, Bedford Borough's highways rules are worth reading first. For a new dropped kerb the council asks for a parking area at least 6 metres long, measured from the front of the house to your boundary, and 3.6 metres wide, with room left for people to walk past. Wider plots, over 8 metres, may be treated differently.
Only the council can build the crossover itself. Planning permission is needed for the kerb if your house fronts a classified road or is listed. Laying gravel? The first 5 metres in from the boundary has to be concrete or blacktop, and rainwater must not run off your drive across the footway.
If your conversion needs an application, the planning officer will judge the parking against the borough's Parking Standards for Sustainable Communities, adopted in 2014.
Types of conversion, matched to Bedford homes
Integral. Under the same roof as the house, so the walls and roof are already there. The Planning Portal warns that rights are sometimes removed on newer developments, so on an estate like Great Denham or Wixams read the original decision notice before paying for drawings.
Single. One room, one new front wall with a window, and a foundation under it. On the borough's shrinking clays building control will want to see how deep that footing goes.
Read our full guide: Single Garage Conversion: What Is Involved and What to Budget For →
Home office. A sensible use for a linked garage in Oakley or Wootton, since a desk minds a shared wall less than a bedroom does.
Bedroom. Needs light, ventilation and a safe way out in a fire. In Kempston's Church Walk area, where the council's flood investigation found homes in Flood Zone 3, we would think hard before putting a bed at garage floor level.
Double. Convert one bay, keep the other for the car, and the parking question often goes away.
Utility or playroom. Where the car went years ago and the washing machine already lives there, this is a modest job. A playroom counts as living space, so building regulations approval normally applies; ask building control about a utility.
Gym or studio. Fine in a detached garage. In a linked one, dropped weights and drum kits travel through the party wall, so budget for proper acoustic lining.
Detached. Kept as a study or gym used by the household, it stays part of your home. Turn it into a separate house, whoever lives there, and the Planning Portal says permission may be needed whatever the work involves.
Planning and approval. Internal work usually needs no planning application. Building regulations approval is a separate matter and is normally needed for any habitable room.
Cost. We don't publish Bedford prices. A flat roof that needs replacing, a deeper footing on clay and a new drive are the local items that move a quote.
Paperwork that catches people out
Bedford Borough's own guide on checking permitted development says rights can be taken away from one house, a few houses or a whole estate by a condition on the original permission. A clause like that can be why your neighbour on an older street converted freely and you can't. The decision notice for your estate is the place to look.
If you want certainty, the council recommends a Certificate of Lawful Development (proposed). It is optional, costs half the normal planning fee and gives a binding decision that helps when you sell.
Building control is the council's own team, and its charges list has a separate line for converting a garage of under 60 square metres into a habitable room. A full plans application, rather than a building notice, gets the drawings approved before work starts.
In the Bedford conservation area the front of the house gets more attention. The council's appraisal says parking is already an issue in The Poets and that plastic windows there fail to copy the originals. So for the new window where the garage door was, we would pick timber made to match the house.
Radon is a small worry here. The British Geological Survey puts under 5% of the Bedford district in radon-affected areas, and the UKradon map checks your street.
Where these facts come from
- Bedford Borough Design Guide (2023)
- Bedford Borough Council: apply for a dropped kerb or vehicle crossover
- Bedford Borough Council: Parking Standards for Sustainable Communities SPD (2014)
- Bedford Borough Council: Guide 11, how to check for permitted development
- Bedford Borough Council: building control fees and charges
- Bedford Conservation Area Character Appraisal (2009)
- Bedford Borough Council: Article 4 directions
- Bedford Borough Council: Section 19 flood report, Kempston Church Walk/High Street
- Census 2021 accommodation type, Bedford (TS044)
- British Geological Survey: geology of the Bedford district
- Planning Portal: garage conversion planning permission
- Planning Portal: building regulations for a garage conversion
- LABC: do I need to consider radon?
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Questions people in Bedford ask
Our garage in Oakley is joined to next door's. Do we need their permission?
Not for planning. If the work affects the shared wall itself, a party wall notice may apply. Most conversions just line it on your side, which helps with noise too.
Can I park on my front garden in Bedford instead?
Only with a council-built dropped kerb, and the council looks for a parking area at least 6 metres deep and 3.6 metres wide. Short front gardens on terraces and some semis won't qualify.
We bought on a newer estate. How do I know if the garage has to stay a garage?
Look up the original planning permission for the estate on the council's planning records and read the conditions. If one removes householder rights or requires the garage to stay as parking, you need to apply.
I want to rent the converted garage as a room. Is that allowed?
Letting it as part of a shared house is the risk. Across urban Bedford and Kempston, turning a family home into a small house in multiple occupation has needed planning permission since November 2020.