
Turn an unused garage into a room you'll actually use, matched with a local installer covering Cranleigh and the surrounding Surrey Hills villages.
Garage Conversions in Cranleigh
If a garage has become a dumping ground for bikes, tools and boxes nobody wants to sort through, converting it into proper living space is often more straightforward than building an extension. This site puts homeowners across Cranleigh, the outlying villages of the Surrey Hills and the Weald, and neighbouring towns such as Guildford and Godalming in touch with a local installer experienced in garage conversions, from a simple insulated store to a full extra bedroom or home office. There's no obligation to go ahead, and homeowners are free to get more than one written quote before deciding.
- Free for homeowners to use
- One local installer, not a call centre
- Quotes come with no pressure to accept
- Serving Cranleigh and the villages around it
Garage conversions in Cranleigh and the surrounding villages
Converting a spare garage into a usable bedroom, office, playroom or extra room for the house.

Garage conversions
Converting a spare garage into a usable bedroom, office, playroom or extra room for the house.
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Loft conversions
Making use of roof space for an extra bedroom, home office or bathroom.
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Garden rooms
A fully-insulated outbuilding for a home office, gym or studio, set apart from the main house.
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House extensions
Single-storey and side-return builds that add real, usable extra space to the house.
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What counts as a garage conversion
A garage conversion turns an existing garage, whether integral to the house, attached to one side, or standing separately in the garden, into a proper habitable room. Typical uses include a bedroom, home office, playroom, gym or extra living space, rather than simply storage with a fresh coat of paint.
Because the structure is already there, a conversion is usually a smaller undertaking than building an extension from scratch, though the work involved, floor, walls, roof, damp-proofing, insulation and services, is genuinely comparable to building a new room.
Planning permission and building regulations
Converting a garage in Cranleigh typically doesn't call for a planning application, since the outside of the building tends to look much as it did before. That puts most conversions inside permitted development, and GOV.UK publishes the general rules covering England and Wales.
The right council to speak to changes depending on the exact address. Cranleigh and most of the villages around it, including Ewhurst, Alfold, Dunsfold, Bramley, Wonersh and Hascombe, sit within Waverley Borough Council, while Guildford, Shere, Peaslake and Chilworth answer to Guildford Borough Council, and Ockley, Walliswood and Okewood Hill fall under Mole Valley District Council.
Those rights shrink on listed buildings, inside conservation areas, or wherever an earlier planning condition has stripped them away, so it pays to check the individual property rather than assume a garage conversion is automatically exempt.

What actually changes in a garage conversion
Garages are commonly built with the floor slab set below the level of the house and no damp-proof membrane worth speaking of, which is why raising or relaying the floor comes up so often. Insulation in the walls and roof tends to be thin or absent too, and getting both up to a standard that matches the rest of the house is usually where most of the budget goes.
A garage door facing the road is commonly swapped out for a wall and window that blend with the rest of the frontage, although some owners keep the original door in place to preserve storage behind an internal partition. For a garage joined onto or bordering a neighbouring property, the Party Wall etc. Act 1996 may need considering, and GOV.UK has published material on the neighbour-notification steps that precede this sort of work.
Attached, integral and detached garages
A garage that's integral to the house, or shares a wall with it, tends to be the easier project to take on, largely because power and other services are usually already nearby. A standalone garage further down the garden, which turns up on a fair few of the older plots around Cranleigh's outlying villages, is still workable, but getting electricity, heating and sometimes drainage out to it adds an extra layer of planning.

Ground conditions around Cranleigh and the Weald
Cranleigh and the villages around it sit on the Low Weald, where heavy clay is common, with bands of Lower Greensand rising towards Hascombe, Ewhurst and the Hurtwood ridge to the north. Ground conditions can vary a good deal from one plot to the next, particularly on lower-lying land near the Cranleigh Waters, so a local installer will usually want to see the garage in person, or good photos and dimensions, before confirming what the floor and any groundwork will involve.
Comparing written quotes
Quotes for a garage conversion swing quite a bit depending on the garage's size, whether it stands alone or is built into the house, the finish being asked for, and the amount of rewiring, insulation and plastering the job needs. Putting the same brief in front of more than one local installer is the surest way to see how the figures actually compare, rather than judging on one quote alone.
Planning garage conversions in Cranleigh?
Tell us about your project and we'll put you in touch with a local installer.
How it works
1
Tell us what you need
A few details about your garage conversions project and where you are.
2
We pass it to a local installer
One installer who covers your area, not a list of strangers.
3
They get in touch to talk it through
No obligation — you decide whether to go ahead.
Frequently asked questions
Will converting my garage need planning permission?+
Usually not, since the outside of the building tends to stay as it was, which normally keeps the work inside permitted development. That can change if the property is listed, sits in a conservation area, or has had permitted development rights taken away by an earlier condition, so it's worth a quick check with the council before you commit.
Which council covers my property around Cranleigh?+
It depends where you are. Waverley Borough Council covers Cranleigh itself and most of the surrounding villages, Guildford Borough Council covers Guildford, Shere and Peaslake, and Mole Valley District Council covers Ockley, Walliswood and Okewood Hill.
Will I need building regulations approval?+
Almost certainly. A garage is built to a much lower standard than a room meant for living in, so once it's converted, building regulations step in to cover insulation, damp-proofing, ventilation, electrics and fire safety.
How much does a garage conversion cost?+
Cost hinges on factors like the garage's size and current state, the finish you have in mind, and the scale of rewiring, insulation and plastering required. Getting a written quote from a local installer, based on your actual garage, is the only way to get a figure that means anything.
Is it possible to convert an integral garage that's part of the house?+
Yes — an integral or attached garage is often the simpler of the two to convert, since electricity and other services tend to already be within easy reach and the structure is already part of the house.
Can a detached garage, separate from the house, still be converted?+
It can be, though access, drainage and services like electrics and heating generally take more working out, since they need extending all the way out to a separate building rather than simply tapping into an adjoining wall.
Useful local links
- Waverley Borough Council – Do I need planning permission? — The planning authority covering Cranleigh and most of the surrounding villages, including Ewhurst, Alfold, Dunsfold, Bramley and Wonersh.
- Guildford Borough Council – Do I need planning permission? — The planning authority covering Guildford, Shere, Peaslake and Chilworth, a separate borough from Waverley.
- Mole Valley District Council – Do I need Planning Permission? — The planning authority covering Ockley, Walliswood, Okewood Hill and part of Holmbury St Mary, a separate district from Waverley.
- GOV.UK – Planning permission: when you need it — Government guidance on when planning permission is required in England and Wales.
- GOV.UK – Party Wall etc. Act 1996 guidance — Government guidance on notifying neighbours and resolving disputes over shared or boundary walls, relevant to attached garage conversions.
- Planning Portal – Garage conversion — National guidance on when planning permission is needed for a garage conversion in England.
- Planning Portal – Outbuildings — National guidance on permitted development rules for garden buildings and outbuildings, including height and coverage limits.
- Surrey Hills National Landscape — The designated landscape covering many of the villages around Cranleigh, including Ewhurst, Peaslake, Hascombe and Shere.
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Tell us about your project and we'll put you in touch with a local installer.