Loft Conversion in Kensington and Chelsea

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Average Loft conversion cost in Kensington and Chelsea

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 Kensington and Chelsea, as reported by local LeadsDoWork members.

Loft conversion installation cost in Kensington and Chelsea 2026

Labour cost £17,500
Material cost £6,250
Waste removal £1,250
Time frame: 6-12 weeks
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Loft conversion on Google in Kensington and Chelsea

Google searches that showed Local Quotes, 18 July to 15 October 2026

2,488

Searches that showed one of our pages for Kensington and Chelsea, all services

Source: Google Search Console, the number of times our pages appeared in Google search results. It counts searches that showed the page, not quote requests.

Loft conversion searches near Kensington and Chelsea, 18 July to 15 October 2026

80

Searches that showed our page for Westminster

Kensington and Chelsea

The Royal Borough of Kensington and Chelsea is an inner London borough of Royal borough status, towards the west of the centre. The borough was created in 1965 from the former boroughs of Kensington and Chelsea. Kensington's Royal Borough status was inherited by the new borough. It covers an area of 4.68 square miles. As the smallest borough in London and the second smallest district in England, this urban area is one of the most densely populated within the UK.

In 2005, the borough had more of its land covered by domestic buildings than anywhere else in England at 19 per cent, which is more than half of the national average. Additionally, it had the fifth highest proportion of land covered by non-domestic buildings at 12 per cent.

The borough is immediately towards the west of the City of Westminster and to the east of the London Borough of Hammersmith and Fulham. It consists of important museums and universities in Albertopolis, department stores including Harrods, Peter Jones and Harvey Nichols, and embassies in Belgravia, Knightsbridge and Kensington Gardens. It's home to the Notting Hill Carnival, Europe's biggest. It includes lots of the most costly residential districts in London and even in the world, and also districts with higher levels of social housing and poverty. The local authority is Kensington and Chelsea London Borough Council. The borough's motto is Quam Bonum in Unum Habitare, which may be roughly translated as 'How good to dwell in unity'.

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Loft conversion pros in Kensington and Chelsea

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

Loft Conversion 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

Loft Conversion 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

Loft Conversion in London

Nice guy

Nicholas James Construction

7 review(s)
Based: in Bromley, BR1 3AX

From past fifteen years we have been established as the finest building and construction service provider to clients in Bromley and its surrounding areas.

Latest review

Jagdish K., HA3
5

Loft Conversion in Harrow

A extremely thorough unhurried meeting carried out. Honest opinions and views provided. Carefully going through plans to...

A1 Forever Solutions LTD

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

Latest review

Peter M., TW7
4

Loft Conversion in Isleworth

Waiting for the appointment

Similar Customer Enquiries for Loft conversion in and around Kensington and Chelsea

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24 Feb

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Start Date: Less than one month

Roof: pitched · Property: terrace · Built: 1900-1930 · Height: 3rd floor+

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18 Oct

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Thornton Heath - CR7

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FAQs

how long does a loft conversion take?

If you’re about to carry out a loft conversion project, you’d probably be wondering how long it’ll take to complete the task. Well, you’re not alone! This is one of the most common questions when it comes to loft conversion projects, however, providing a set timeframe for completion of such projects is impossible as all loft conversions vary. There are different factors that can determine the duration of your project. These factors include, the materials to be used, the type of the proposed loft conversion, the kind of staircase you’ll like to have installed, the number of windows included, the number of rooms to be added as well as a number of other influencing factors. As a result of these variables, the milestones and timings provided are only to be taken as guidelines. If you’d really like to have a set date, you can get in touch with a professional for help.

Generally, it’ll take up to 8 weeks to complete a loft conversion project.

✓ The first week activities will include putting up scaffolding, receiving the first materials for the build and creating an opening in the roof to gain access to the loft space.

✓ In the second week, the structure of the roof will be ammended and more support added.

✓ Third week, the floor joists will be fitted, building of the loft conversion will start, completion of the external roof works and commencement of plumbing and electric works.

✓ Fourth week, complete the building, construct the loft floor, fit the roof windows, insulation, ventilation and internal stud walls.

✓ Fifth week, apply plaster and plasterboard to the room walls, create a staircase opening and fit the new staircase.

✓ Sixth week, plaster the staircase area, complete plumbing and electrical works, hang the doors, fit skirting, handrails and bannisters and start decoration.

✓ Seventh week, complete the decoration and clean and wipe out all wastes.

✓ Eight week, complete all the remaining tasks.

how disruptive is a loft conversion?

Asides the questions relating to planning permission of a loft conversion as well as the total cost of completing a loft conversion project, this is perhaps the most common question on the loft conversion subject matter. Before making an investment decision, many homeowners will want to know just how disruptive a loft conversion is. Well, we’ve all heard the several horror stories when loft conversion builder with dirty boots tramples all over the fresh and just-acquired shag pile or the noise of the construction loud enough to annoy neighbours from four blocks away or an obvious shortage of teabags, sugar and lots more. Good news is, the disruption of loft conversion is not as bad as people make out. Let’s have a look at how it works!

Just like all other major building projects, a loft conversion is disruptive to your property. However, no two loft conversions are the same, therefore some are certain to be more drastic and invasive than others. In the long run, the project is worth the stress and inconveniences caused and in most cases, it’s usually a very good investment.

Normally, an average loft conversion is expected to last for about 9 to 12 weeks (depending on the complexity of the loft conversion project some might take longer). Some of the factors that affects the duration of a project includes the type of the loft, the design of the loft as well as the style of the property.

Generally, a loft conversion is a lot less disruptive than say completely moving a home. It all has to do with how you’re able to deal with it as a person. And besides, the effect it’s going to have to a large extent depends on the company you hire. A good company will always look to ensure to keep disruptions to a minimal when carrying out the loft conversion project.

What kinds of loft conversion are there?

There’s a huge range of different types of loft conversions. The most common are dormer and skylight or Velux conversions. There are also hip to gable and mansard conversions. The type of loft conversion that’s most suitable for your property will depend on the style of roof and the size of your loft.

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.

Loft conversion

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