Loft Conversion in Brentford

Obtain Loft Conversion Prices in Brentford

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Loft conversion companies in Brentford

Looking for loft alteration experts in Brentford? Our loft space conversion renovators in Brentford will be able to supply you the best quotations to have a loft altered in your property or home.

The installation of a attic room extension in your home can be carried out swiftly, enabling you to make full use of the altered room and begin benefitting from an extra room. The attic alteration will be carried out by a vetted, approved company and once this has been done you'll be in a position to begin using the new location right away. With your newly modified loft space you'll be able to have an extra bedroom, study or possibly a game room.

With a array of loft space alteration styles you'll be in a position to find something that suits your taste, whilst being handy and appealing.

We're going to offer you no obligation quotes from loft area alteration companies in Brentford who will be able to provide you with no cost surveys and quotes for the alteration. Then you can do a comparison of these loft area conversion prices and make sure to get the best bang for your buck.

Average Loft conversion cost in Brentford

The regular cost of a Loft conversion is £25000. Costs differ based upon the materials and the firm selected. The upper price range can be as high as £28750. The material costs are mainly approximately £6250

Average price per Loft conversion job in 2026

Avg. price low

Avg. price low
£29,688

Avg. price

Avg. price
£47,500

Avg. price high

Avg. price high
£64,688

£65200

£48900

£32600

£16300

£0

Prices based on actual Loft conversion costs for Brentford, as reported by local LeadsDoWork members.

Loft conversion installation cost in Brentford 2026

Labour cost £17,500
Material cost £6,250
Waste removal £1,250
Time frame: 6-12 weeks

Loft conversion searches in June 2026

Loft conversion Projects in Brentford in May 2026

859

Requests for quotations in Brentford in May 2026

10

Requests for Loft conversion quotations in Brentford in May 2026. -50% change from April 2026.

150

Requests for Loft conversion quotations in Middlesex in May 2026. -12% change from April 2026.

We noted 859 requests for house quotes in Brentford. Of these quote requests the number of loft conversion quotes within Brentford was 10. Quotatis would have been able to match these consumers with up to four suitable contractors who were available for work within Brentford at that time. Ask for a free property survey from reliable companies in Brentford.

Source: Numbers calculated based on the search volumes in major search engines

Loft conversion searches in cities and towns near Brentford May 2026

25

Requests for quotations in Feltham in May 2026

25

Requests for quotations in Hounslow in May 2026

20

Requests for quotations in Teddington in May 2026

20

Requests for quotations in Ashford in May 2026

19

Requests for quotations in Hampton in May 2026

Brentford

The West London town of Brentford forms a section of the Borough of Hounslow and is located at the confluence of the River Thames with a population of close to 50,000. Brentford doesn't have much in the way of modern houses with many properties dated from the 1930s, which means there will always be household enhancements needed in the region. For work you need finished be certain to only use vetted tradesmen in Brentford for the best price and high quality work.

Looking for Loft conversion in Brentford?

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Loft conversion pros in Brentford

Dream the Build

19 review(s)
Based: in London, EC1V 2NX

DREAM the Build. Ltd ' Constructing your Vision Making home development exciting, fun and asset building experience , future proofing household & investors Who we are ? Starting fresh in a new country is never easy, but what we did Catal...

Latest review

A., NW7
4

Conversion | Loft in London

Good quote

Unique Lofts LTD

2 review(s)
Based: in South mimms, EN6 3NX

Professional loft conversions at Unique Lofts, we are a specialist loft company with over 15 years of experience in construction. Call us today.

Latest review

Alan P., EN11
5

Conversion | Loft in Hoddesdon

only company that quoted

London Project Management Ltd Ta Modern Attics

1 review(s)
Based: in London, N3 2DN

Modern ATTICS specialise in loft conversions and House Extensions. We cover all areas of London - North, East, West, Central and South London.

Latest review

Helen W., NW4
4

Conversion | Loft in London

Nice guy

A1 Forever Solutions LTD

1 review(s)
Based: in London, SE25 6EP

Latest review

Peter M., TW7
4

Conversion | Loft in Isleworth

Waiting for the appointment

Similar Customer Enquiries for Loft conversion in Brentford

14 Jan

Conversion | Loft

Brentford - TW8

Enquiry from: Vivien C

Start Date: Immediate

*homeowner loft conversion please call to appoint

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18 Oct

Conversion | Loft

Brentford - TW8

Enquiry from: ARVIND K

Start Date: Immediate

Homeowner Please contact to appoint

Post a similar request >

24 Apr

Conversion | Loft

Brentford - TW8

Enquiry from: Veronique C

Start Date: Immediate

We are doing a loft extension. Dormer. 2 bedrooms.

Post a similar request >

04 Jan

Conversion | Loft

Brentford - TW8

Enquiry from: V

Start Date: Immediate

Loft conversion|terraced house build in 1930. We would like to have a loft convrsion with 2 bedrooms. No bathroom Velux only

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08 Apr

Conversion | Loft

Brentford - TW8

Enquiry from: Andrew V

Start Date: Immediate

Home Owner double storey side extension, (as next door neighbour has done) but addition extension at the back of the house to extend the kitchen. assistance with planning application may be required...

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12 Sep

Conversion | Loft

Slough - SL1

Enquiry from: Wency D

Start Date: Immediate

homeowner loft conversion please call to appoint

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10 Jun

Conversion | Loft

Slough - SL3

Enquiry from: Rups G

Start Date: Immediate

stairs installed to loft are you the property owner: owner of the property property type: terrace what are you looking to convert the space into: bedroom/s are you looking to have stairs: yes do you r...

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05 Jan

Conversion | Loft

Uxbridge - UB9

Enquiry from: Prashant M

Start Date: Immediate

loft conversion type: hip to gable rooms in conversion: 1 x bedroom. architectural plans done: no planning permission status: not sure building regulations status: not sure listed building: no propert...

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02 Jan

Conversion | Loft

West Byfleet - KT14

Enquiry from: Sarah C

Start Date: Immediate

raise and convert the loft space into bedroom space. are you the property owner: owner of the property property type: detached what are you looking to convert the space into: bedroom/s are you looking...

Post a similar request >

30 Aug

Conversion | Loft

Rickmansworth - WD3

Enquiry from: Gayathri B

Start Date: Immediate

dormer extension with an ensuite are you the property owner: owner of the property property type: semi detached what are you looking to convert the space into: bedroom/s are you looking to have stairs...

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20 Aug

Conversion | Loft

Slough - SL2

Enquiry from: Bev S

Start Date: Immediate

loft conversation 2 rooms and a bathroom are you the property owner: owner of the property are you looking to have stairs: no do you require any windows: dormer do you require plumbing work: yes do y...

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04 Apr

Conversion | Loft

Addlestone - KT15

Enquiry from: Samuel T

Start Date: Immediate

*homeowner loft conversion please call to appoint

Post a similar request >

29 Mar

Conversion | Loft

Addlestone - KT15

Enquiry from: Samuel T

Start Date: Immediate

*homeowner loft conversion please call to appoint

Post a similar request >

21 Feb

Conversion | Loft

Slough - SL3

Enquiry from: M

Start Date: Immediate

homeowner loft conversion please call to appoint

Post a similar request >

06 Feb

Conversion | Loft

Slough - SL3

Enquiry from: Sandra P

Start Date: Immediate

we have already converted our loft to a tv room, but now we want to add a dorma with a ensuite. we have velux windows to the rear. are you the property owner: owner of the property property type: ter...

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22 Jun

Conversion | Loft

Slough - SL3

Enquiry from: Nasir J

Start Date: Immediate

customer in slough area made an enquiry for loft conversion online. confirmed via sms at 16:33 please call to arrange an appointment to discuss options property type: semi detached what are you looki...

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15 Jun

Conversion | Loft

Staines-upon-Thames - TW18

Enquiry from: James W

Start Date: Immediate

hip to gable and full back dormer are you the property owner: owner of the property property type: semi detached what are you looking to convert the space into: living space are you looking to have st...

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18 May

Conversion | Loft

Slough - SL2

Enquiry from: John P

Start Date: Immediate

conversion of loft space which totals 8.6m (ridge length) by 7.9m. no ridge height increase is needed. shape is very regular. stairs to be located in centrally in the rear elevation. loft to be conve...

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17 May

Conversion | Loft

Rickmansworth - WD3

Enquiry from: David E

Start Date: Immediate

hip to gable loft conversion with rear dormer and the re-roofing of the entire roof on semi detached house are you the property owner: owner of the property property type: semi detached what are you...

Post a similar request >

26 Apr

Conversion | Loft

Slough - SL2

Enquiry from: Sharon J

Start Date: Immediate

velux window conversion, one bedroom with storage in the eaves for what we are currently storing in the loft. are you the property owner: owner of the property property type: terrace what are you look...

Post a similar request >

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FAQs

what is a dormer loft conversion?

A dormer loft conversion is a type of loft conversion that’s built making use of a roof’s existing slope. In other words, it’s an existing roof’s extension which is constructed in such a way that allows for an additional floor as well as head room especially suitable for lofts lacking good amount of usable space. The dormer loft conversion is simply an addition to the existing roof looking much like a box-like build constructed onto a pitched roof as it creates walls that are vertical to the slope while also being 90 degrees to the floor.

This type of loft conversion is the most common amongst homeowners in the UK mainly because it represents a cost effective means through which you can add an additional usable space to your home or property. The structure extends for the slope of the existing roof and can easily be altered to suit various tastes or styles. Furthermore, if you’re looking for a type of loft conversion that aids to foster reduced disruption to work, then dormer loft conversion is also your best bet. This is due to the fact that the structure is built from a scaffolding made outside a home.

There are different types of dormer loft conversion and the one which will best suit your property will depend on the property type, be it detached, semi detached or terraced as well as the existing roof shape and size. The dormer loft conversion is a popular choice for a lot of homeowners for a variety of reasons. Let’s have a look!

✓ It’s very cost effective

✓ The dormer loft conversion does not require planning permission so far it complies with certain conditions and limitations

✓ It adds an extra headspace as well as floor space.

an every house have a loft conversion?

If you’re having issues with the amount of space in your home and need an extra space without affecting your garden, loft conversion comes to mind. Not only is it a great solution to creating more living space within a home, but it’s also one of the most budget-friendly solutions you can count on to expand your space by thinking upwards rather than sideways. So if you’re thinking about converting your loft, one thing that almost immediately comes to mind is whether or not your house is suitable for loft conversion.

To answer the question of whether every house can have a loft conversion is a very simple one. Generally, not every house is suitable for loft conversion. This is due to the fact that each and every loft space - from the stairways below and floors to the rafters and the roof up above, is unique. Therefore, the best way to really figure out whether or not a house’s loft offers the potential for conversion is to get in touch with a loft specialist.

So what can make a house not suitable for a loft conversion? Let’s take a closer look!

✓ A house will not be suitable for a loft conversion if the height of the ceiling happens to be too low and it’ll not be possible to have it raised.

✓ If you do not own own the freehold to the loft space, you won’t be able to convert the loft. Surprisingly, this happens to be a common issue in London.

✓ You will not be able to convert your loft if you reside in a conservation area or in a listed building. But you can identify a design solution that’ll still comply with the conservation rules and keep planners happy.

Can my loft be converted?

Many types of loft are suitable for a loft conversion. In general, you will need at least 2.3 metres of headroom in your existing loft. This is to make sure there is enough headroom after the conversion. Speak to a conversion specialist about the probability and possibility of doing this in your house.

do you need planning permission for a loft conversion?

Typically, loft conversions do not require planning permission except in certain situations. They’re usually covered under what’s known as Permitted Development. Certain building works like loft conversion, rear extension and conservatories are granted planning permission by local authorities. Permitted Development, however, gives you a free range to improve your home without having any issues from the councils or regulations. Before your planned loft conversion can be covered under Permitted Development, there are some certain criteria that must be met. This criteria includes the following:

✓ The extension must not go beyond the existing slope of the roof at the front of the house.

✓ The loft space converted must not go beyond 40 cubic metres in a terraced house.

✓ The roof’s height must not be increased by the extension.

✓ The loft space converted must not reach beyond 50 cubic metres in a detached or semi detached house.

✓ The plan for the extension mustn’t involve structures like balconies, verandas or anything other structures of this nature.

✓ The roof extension should be positioned as far back as possible or at least 20cm from the existing eaves.

✓ The side that faces the window openings should be at least 1.7m beyond the floor and the windows should also be obscured.

✓ The roof extension must not overhang the existing roof or wall of the house.

✓ The materials that are to be used must be similar or the same to the materials that has already been used on the house’s exterior.

However, you should bear in mind that there are some properties that are exempt from Permitted Development. Examples of these type of properties include conservation areas, Areas Of Outstanding Natural Beauty and World Heritage sites. Permitted Development does not also provide coverage for listed buildings.

Loft conversion

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Customer Reviews

Overall rating:


Brentford Loft conversion installers are rated 4.4 out of 5 based on 12 reviews of 100 pros.
The LeadsDoWork rating and review is an overall rating based on verified reviews and feedback from the customers with Loft conversion projects that have been connected with Loft conversion pros to help them. All Loft conversion contractors All Brentford Loft conversion contractors

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