S&P Building Services LTD
Based: in New malden, KT3 5HYLatest review
Colin B., TW11
Conversion | Garage in Teddington
Only one company was quoted so impossible to say
For those who have a unused garage area, why not look at a conversion within Isleworth to make the most from your house. Do a comparison of as many as 4 totally free quotations with our service and find the top price for a conversion.
One of the major advantages with a garage conversion would be that the space can be changed quickly for the additional room you would like, whether it's for a growing family or just to add to the value of your home.
A garage conversion suggests you won't need to move for more space, which often can save you thousands of pounds on solicitor costs, estate agent payments and stamp duty. And the extra space could be changed into anything you need, no matter whether it's an expansion to the living area or kitchen, or simply a separate room entirely.
With the infrastructure already in place it's clear that a garage conversion will be less expensive than building an extension as well, and won't eat important space in your garden. With the exterior not likely to change too, it's an alternative way to bypass regulations for conservation areas and listed buildings.
If you're serious about converting your garage, check quotations from companies within Isleworth making use of our quick and easy service to get the best deal available.
The regular cost of Garage conversion are £6000. Costs can change based on the materials and the tradesman hired. The material costs are mainly about £1500
| Avg. price low | Avg. price low |
|---|---|
| Avg. price | Avg. price |
| Avg. price high | Avg. price high |
£20200
£15150
£10100
£5050
£0
| Labour cost | £4,200 | |
| Material cost | £1,500 | |
| Waste removal | £300 |
Requests for quotations in Isleworth in June 2026
Requests for Garage conversion quotations in Isleworth in June 2026. 0% change from May 2026.
Requests for Garage conversion quotations in Middlesex in June 2026. 0% change from May 2026.
We noted 675 requests for property or home quotes in Isleworth. Of these quotation requests the number of garage conversion quotations within Isleworth was 3. Quotatis would have been in a position to match these customers with up to 4 suitable fitters who were available for work in Isleworth during those times. Ask for a free house survey from reputable companies within Isleworth.
Source: Numbers calculated based on the search volumes in major search enginesRequests for quotations in Teddington in June 2026
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Requests for quotations in Hounslow in June 2026
Isleworth is a small town with Saxon origins, located within the London Borough of Hounslow in West London, England. It is found to the east of the town of Hounslow and west of the River Thames and its tributary, the River Crane. The town's initial settlement area, beside the River Thames, is known as 'Old Isleworth'. The north-west corner of the town, linking on to Osterley and Lampton, is called 'Spring Grove'. Despite the fact that Isleworth at first had a Thames frontage of approximately one mile, excluding that of the Syon estate, a borough limit realignment in 1994 reduced this to half a mile to increase land in the district of St. Margarets, Twickenham. Isleworth included a substantial variety of artisan and white collar residential progression throughout the town, at the expense of various market gardens in the beginning of the 20th century. This period also experienced the building of a variety of new factories and offices. Such a quick spread of building changed the nature of Isleworth's layout, changing the town from an agrarian economy to an urban one. Due to lots of buildings staying clear of being targeted in the Blitz, Isleworth contains many Grade II * listed buildings. The majority of these originate from the period of considerable mansion-building happening in the 18th and 19th centuries, because of the attraction of the rural, waterside beauty. There is a town library, a public leisure centre with a pool and gym, 4 entertainment grounds and a town hall for the 20500 residents to check out, as well as plenty of opportunities to go shopping at nationwide and independent shops. For all of your home upgrades, make sure to make use of reliable experts in Isleworth to make certain of quality.
Only one company was quoted so impossible to say
Isleworth - TW7
Enquiry from: John M
Start Date: Immediate
convert existing rear garden garage to a self contained granny annexe. does local planing allow this? are you the property owner: owner of the property do you have a: double garage what will the spac...
Isleworth - TW7
Enquiry from: Kanjana I
Start Date: Immediate
*Homeowner Garage conversion Please call to appoint
Isleworth - TW7
Enquiry from: Kusum G
Start Date: Immediate
A garage turning into a room little extend not much need. Good architect who has done drawing in this area
Isleworth - TW7
Enquiry from: SHEILENDRA T
Start Date: 1 to 3 months
CONVERTING GARAGE INTO A BEDROOM OR A LIVING ROOM Homeowner Please contact to appoint
Isleworth - TW7
Enquiry from: Syed R
Start Date: Immediate
Garage conversion into living space Homeowner Please contact to appoint *
Addlestone - KT15
Enquiry from: Kate F
Start Date: Immediate
What type of property is this for? House What type of garage conversion do you need? Single attached garage When was the garage built? 1921 to 1979 How many new rooms in the garage conversion? 1 ...
Slough - SL3
Enquiry from: TK T
Start Date: Immediate
looking to redesign ground floor layout. converting garage into living area. extending back of garage to conform with rest of property. would like to have reception room, bedroom and shower room in ga...
Slough - SL1
Enquiry from: Baiju K
Start Date: Immediate
redecorate garage and fix automatic door. are you the property owner: owner of the property do you have a: single garage what will the space be used for: other do you require plumbing work: no do you ...
Windsor - SL4
Enquiry from: Alex P
Start Date: Immediate
attached shed/garage conversion into full utility room space. roughly 11sqm. basic lavatory space needs refurb, flooring throughout (step-down concrete base currently), new roof (currently an asbestos...
Windsor - SL4
Enquiry from: Theo D
Start Date: Immediate
double garage conversion, two rooms, two windows, small kitchen, shower and toilet Are you the property owner: Owner of the property Do you have a: Double Garage What will the space be used for: Livin...
Staines-upon-Thames - TW18
Enquiry from: Liane B
Start Date: Immediate
Looking at converting the existing Garage into an ensuite bedroom and bridge the conversion with an existing extension Are you the property owner: Owner of the property Do you have a: Single Garage Wh...
Gerrards Cross - SL9
Enquiry from: HELEN P
Start Date: Immediate
convert garage to living room Are you the property owner: Owner of the property Do you have a: Single Garage What will the space be used for: Living Space Do you require Plumbing Work: No Do you requi...
Slough - SL1
Enquiry from: Muhammad F
Start Date: Immediate
I need to convert my garage into a bedroom. The garage needs a fire door to be built a window and also a shower room with a door to the toilet next to it. Are you the property owner: Owner of the prop...
Slough - SL1
Enquiry from: Raj S
Start Date: Immediate
looking to convert garage, full work from planning , daring to construction that include small bathroom and clock washroom. size is around 10m2 , garage Are you the property owner: Owner of the prop...
Slough - SL3
Enquiry from: Nahush K
Start Date: Immediate
Need to convert garage into extra bedroom or studio. The Garage is detached.
Slough - SL3
Enquiry from: Ali F
Start Date: Immediate
Detached garage (approx. 20 feet by 10 feet) needs repairing/part rebuilding. The walls are single brick and cracked from a few places above the window and door (most likely due to angle iron beams in...
Slough - SL1
Enquiry from: Sangeetha M
Start Date: Immediate
Need a quote to insulate garage and convert to a sport room
Staines-upon-Thames - TW19
Enquiry from: Debra B
Start Date: Immediate
already partially converted years ago, would like a quote for removing breeze block wall, removing garage door and replacing with wall and double glazed window
Staines-upon-Thames - TW19
Enquiry from: Debra B
Start Date: Immediate
already partially converted years ago, would like a quote for removing breeze block wall, removing garage door and replacing with wall and double glazed window
Slough - SL3
Enquiry from: Faraz Q
Start Date: Immediate
Homeowner Please contact to appoint
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Would highly recommend, they found me a firm which I was happy with a quote they give me and went ahead and had my job done within 2 days of enquiring.
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Love Local Quotes it's a big part of my Business I would recommend to anyone
Are you looking to create some more space in your home with your garage being almost dispensable? If yes, then considering a garage conversion project may be the way to go. Unlike many other extension options, garage conversion does not take up an additional space as it only changes the current structure of the garage. As a result, the cost of completing a garage conversion project can be relatively attractive when compared to other space creating alternatives. So exactly how much would a garage conversion project cost? Well, there’s no precise answer for this as several influencing factors come to play. However, in this guide we’ll give you a rough idea of the average costs that you’re likely going to encounter. Some of the factors that can influence your budget dramatically includes the following:
• The size of the conversion. The larger the size of the garage per square feet, the more cost you’ll have to expend.
• The type of your property - listed buildings are usually more expensive.
• Your location in the UK. If you stay in London where there’s a higher demand, you’ll most likely pay more.
• You’re likely to pay more if a specialist knowledge is required.
• The amount of glazing to be installed
• Quality of the materials to be incorporated.
• Quality of the professional to carry out the installation service.
On average, when it comes to garage conversion projects, you’re likely to pay the following depending on the per square metre given:
• A single garage of about 15 square metre will cost within the range of £6,000 to £15,000.
• A double garage of about 30 square metre will cost within the range of £12,000 to £30,000.
Are you considering converting your garage into a more usable space in your home? If yes, then you’d probably want to know if you’ll require building regs before converting the garage. The answer to this question is yes. Although you may not require planning approval to convert your garage into a more usable space, but you’d usually need approval under the Building Regulations.
When re-structuring your garage into a habitable space, the following should be taken into consideration: structural alterations, ventilation, moisture proofing, insulation, fireproofing, escape routes as well as the submission of a building building notice or full plan application to the local council in order to inform them about the planned project.
• Walls
You’ll require an approval if you plan to infill the garage door with a window and a new wall. This is because the garage may have been built of a shallow slab which implies that a new foundation would be needed for the new wall construction.
• Floor
Even though there’s a high possibility that the garage floor is strong enough for domestic use since its designed to withstand the weight of vehicles, you may however need to upgrade to make sure it suitable for both thermal insulation and damp proofing. In addition, there may also be the need to to alter the floor level in such a way that it matches that of the remaining parts of the house.
• Ventilation
According to the Building Regulations requirements, there’s a need for adequate ventilation for each individual rooms which includes garage conversions for general health purposes. What’s going to determine the ventilation level that’ll be required is the frequency at which the room is used. Ventilation can be provided through purge or simply opening the window or via trickle ventilation.
Are you thinking about converting your garage into a new space? Be it a new bedroom, gym, library or playroom, one thing you’ll have to consider before getting started is whether or not you’re going to require a planning permission. Unlike extensions that needs additional space, garage conversion is all about changing the existing structure of a space that’s already available to you - your garage. As a result, these projects are mostly covered by a planning policy that’s a bit different.
For a garage conversion, it’s very unlikely that you’ll need a planning permission. As a matter of fact, only 10 percent of garage conversions has been estimated to need a full planning permission, with the others coming under the permitted development rights. The permitted development rights, however, only provides coverage for home improvements that’s internal which implies that so far you’re not trying to enlarge your garage, you’ll not require a planning permission. But if otherwise, you’ll have to submit an application before commencing your project.
If you’re looking to comply with the permitted development rights, then your project must comply with some specific guidelines. These rules include the following:
• The work should be internal. No plans to enlarge or extend the existing garage.
• You should make sure that the materials used in carrying out the garage conversion is the same with the materials used in building the existing house.
• The building should not be extended.
You may, however, require a planning permission if you’re going to change a detached garage into a living space which could be a bedroom, small annexe or a living room.
Some houses excluded from the permitted development rights include flats, listed buildings, some new developments and most homes in a conservation area.
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