Loft Conversion in Isleworth

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Loft conversion companies in Isleworth

Interested in loft conversion professionals in Isleworth? Our attic room conversion renovators in Isleworth can provide you the best quotations to have a loft changed in your home.

The installation of a loft space extension in your house can be completed promptly, enabling you to make full use of the altered area and begin benefitting from an added room. The loft area conversion will be carried out by a vetted, certified company and once this has been done you'll be able to begin using the new area right away. With your newly modified attic you'll be able to have an extra bedroom, study or perhaps a rec room.

With a wide variety of loft area alteration styles you'll be ready to discover something that matches your taste, whilst being hassle-free and aesthetically pleasing.

We'll provide you no obligation quotations from loft area alteration companies in Isleworth who will be able to provide you with free surveys and quotations on your conversion. Then you can check these attic conversion prices and guarantee to get the best bang for your buck.

Average Loft conversion cost in Isleworth

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 2025

Avg. price low

Avg. price low
£31,250

Avg. price

Avg. price
£50,000

Avg. price high

Avg. price high
£67,917

£68500

£51375

£34250

£17125

£0

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

Loft conversion installation cost in Isleworth 2025

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

Loft conversion searches in June 2025

Loft conversion Projects in Isleworth in May 2025

675

Requests for quotations in Isleworth in May 2025

10

Requests for Loft conversion quotations in Isleworth in May 2025. -17% change from April 2025.

150

Requests for Loft conversion quotations in Middlesex in May 2025. -12% change from April 2025.

We noted 675 requests for house quotes within Isleworth. Of these quote requests the amount of loft conversion quotations within Isleworth was 10. Quotatis would have been able to match these consumers with as many as four suitable contractors who were available for work within Isleworth at that time. Request a free property survey from trustworthy companies in Isleworth.

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

Loft conversion searches in cities and towns near Isleworth May 2025

25

Requests for quotations in Feltham in May 2025

25

Requests for quotations in Hounslow in May 2025

20

Requests for quotations in Ashford in May 2025

20

Requests for quotations in Teddington in May 2025

19

Requests for quotations in Hampton in May 2025

Isleworth

Isleworth is a small town with Saxon origins, located within the London Borough of Hounslow in West London, England. It is discovered to the east of the town of Hounslow and west of the River Thames and its tributary, the River Crane. The town's original settlement area, beside the River Thames, is pertained to as 'Old Isleworth'. The north-west corner of the town, linking on to Osterley and Lampton, is called 'Spring Grove'. Though Isleworth originally had a Thames frontage of around one mile, excluding that of the Syon estate, a borough limit realignment in 1994 lowered this to half a mile in order to increase land in the district of St. Margarets, Twickenham. Isleworth featured a significant range of artisan and white collar residential progression throughout the town, at the cost of numerous market gardens in the beginning of the 20th century. This period also experienced the building of a number of brand-new factories and offices. Such a quick spread of building changed the nature of Isleworth's design, transforming the town from an agrarian economy to an urban one. Because of many buildings avoiding being targeted in the Blitz, Isleworth contains numerous Grade II * listed buildings. The majority of these originate from the period of considerable mansion-building happening in the 18th and 19th centuries, thanks to the attraction of the rural, waterside beauty. There is a public library, a public leisure centre with a pool and gymnasium, four entertainment grounds and a town hall for the 20500 occupants to check out, along with plenty of opportunities to go shopping at nationwide and independent shops. For all your home upgrades, make certain to make use of trusted specialists in Isleworth to make certain of quality.

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Loft conversion pros in Isleworth

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 Isleworth

03 Apr

Conversion | Loft

Isleworth - TW7

Enquiry from: Kunal R

Start Date: Immediate

homeowner loft conversion please call to appoint

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31 Mar

Conversion | Loft

Isleworth - TW7

Enquiry from: Kunal R

Start Date: Immediate

homeowner loft conversion please call to appoint

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12 Aug

Conversion | Loft

Isleworth - TW7

Enquiry from: Charlotte B

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Submit your free quote for rated tradespeople

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03 May

Conversion | Loft

Isleworth - TW7

Enquiry from: Serena B

Start Date: Immediate

Customer visited the myloftconversionprices.co.uk site and submitted an enquiry. Property type: Semi detached, Property owner: Tenant (with permission), Looking to convert into: Bedroom, Work descri...

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11 Jan

Conversion | Loft

Isleworth - TW7

Enquiry from: Peter M

Start Date: 1 to 3 months

Dormer conversion as bedroom and ensuite Are you the property owner: Owner of the property What are you looking to convert the space into: Bedroom/s Property Type: Terrace Are you looking to have stai...

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30 Dec

Conversion | Loft

Isleworth - TW7

Enquiry from: Peter M

Start Date: 1 to 3 months

Dormer conversion as bedroom and ensuite Are you the property owner: Owner of the property What are you looking to convert the space into: Bedroom/s Property Type: Terrace Are you looking to have stai...

Post a similar request >

28 Dec

Conversion | Loft

Isleworth - TW7

Enquiry from: Peter M

Start Date: 1 to 3 months

Loft conversion|The loft space is used as a partial loft room at present but looking to add a dormer to the rear Are you the property owner: Owner of the property Property Type: Terrace What are you l...

Post a similar request >

05 Sep

Conversion | Loft

Isleworth - TW7

Enquiry from: Adams N

Start Date: Immediate

Customer visited the myloftconversionprices.co.uk site and submitted an enquiry. Property type: Semi detached, Property owner: Owner, Looking to convert into: Bedroom, Work description: I want bathr...

Post a similar request >

28 Aug

Conversion | Loft

Isleworth - TW7

Enquiry from: Dan R

Start Date: Immediate

Loft Conversion plus extension from loft over existing ground and first floor flat roof extension.

Post a similar request >

28 Jun

Conversion | Loft

Isleworth - TW7

Enquiry from: Shakeel K

Start Date: 1 to 3 months

loft conversion build quotes Homeowner Please contact to appoint

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29 Feb

Conversion | Loft

Isleworth - TW7

Enquiry from: Andella M

Start Date: Immediate

Quotes and design ideas for a loft conversion

Post a similar request >

23 Jan

Conversion | Loft

Isleworth - TW7

Enquiry from: Allison M

Start Date: Immediate

Customer visited the myloftconversionprices.co.uk site and submitted an enquiry. Property type: Terrace, Property owner: Owner, Looking to convert into: Bedroom, Work description: L shaped Dormer lo...

Post a similar request >

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FAQs

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.

how much is a loft conversion?

With the ability to add approximately one third of your existing living space ( by converting your old, unused attic) to your home or property without having to let go of your garden, it’s quite easy to see the reason why loft conversion has rapidly grown to become one of the most popular home improvements in the UK. However some homeowners usually shy away from the idea simply by looking at the perceived high cost of carrying out such a project, despite several researches showing that loft conversions offers the best rate of return on initial investment when compared to the other home improvement projects. So exactly how much would it cost to carry out this project?

Just like several other home improvement projects, the cost of a loft conversion varies greatly depending on a wide range of influencing factors. These factors include the size of your home, how old your home is as well as the quality of the fixtures and fittings you want to install. For instance, a high end bathtub alone can cost you thousands of pounds, meanwhile you can also construct a full bathroom suite on just a couple of hundred pounds. However, to give you an idea of the minimum cost of a loft project we’ll look at the most popular types and the minimum cost of each.

✓ Internal Loft Conversion - The most affordable type of loft conversion tends to start from £25,000 and above.

✓ Dormer or L-Shaped Dormer Loft Conversion. These are the most popular types of loft conversion. Dormer price tends to start from £35,000, while the L-shaped dormer starts from £45,000.

✓ Mansard Loft Conversion - This involves replacing the entire side of a sloping roof with a vertical wall and flat roof. It requires a planning permission. The type of loft conversion usually starts from £45,000.

✓ Hip To Gable Loft Conversion - This usually starts from £50,000.

Will I need planning permission to convert my loft?

Planning permission is not normally needed for a loft conversion as they are covered by permitted development rights. A conversion company will tell you if you do and help you with this. For more information, see our article about planning permission.

How long will a loft conversion take?

It depends on the style and size of the conversion, but in general, a loft conversion will take between 1-2 months. A loft conversion is a substantial building project, and plans will need to be drawn up. This may add to the time it takes to complete your loft conversion.

Loft conversion

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Customer Reviews

Overall rating:


Isleworth Loft conversion installers are rated 4.4 out of 5 based on 12 reviews of 127 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 Isleworth Loft conversion contractors

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