Loft Conversion in London

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Loft conversion companies in London

Are you thinking about a loft conversion in order to open space in your house and avoid the necessity to move? Then use our no cost and easy service to compare quotations and get the top price for the work you wish carried out.

Loft conversions are proving to become more popular then ever in the UK. In most properties the loft makes up unused space which could go to better use. Converting can change the area into a bedroom, bathroom, playroom or perhaps ensuite bedroom.

In actual fact there's plenty of potential to transforming your attic, such as extra value for your home which may be up to 20%. Loft conversions are also suggested over a home extension since the infrastructure has already been in place. Plus, you won't be removing any garden space.

If the attic conversion would benefit your home and you're interested in extra space, contrast prices from reliable companies in London and get the best offer for the work you wish completed.

Average Loft conversion cost in London

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
£32,188

Avg. price

Avg. price
£51,875

Avg. price high

Avg. price high
£70,938

£71500

£53625

£35750

£17875

£0

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

Loft conversion installation cost in London 2025

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

Loft conversion searches in January 2025

Loft conversion Projects in London in December 2024

262,017

Requests for quotations in London in December 2024

5,400

Requests for Loft conversion quotations in London in December 2024. -18% change from November 2024.

5,400

Requests for Loft conversion quotations in London County in December 2024. 0% change from November 2024.

We noted 262,017 requests for property quotes within London. Of these quotation requests the amount of loft conversion quotations within London was 5,400. Quotatis would have been able to match these consumers with as many as 4 suitable fitters who were available for work within London at that time. Request a free house survey from reputable companies within London.

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

Loft conversion searches in cities and towns near London December 2024

5,400

Requests for quotations in London in December 2024

London

England's capital city is now recuperating from a successful Olympic Games and this giant multi-million pounds task, along with quite a few property schemes, has modernised the city post-war. Despite this, there are still loads of homes providing an insight into the past and Tudor, Georgian and Victorian properties line the streets. With a contrast of the aged and the brand new, there are several projects householders tackle, from energy efficiency upgrades to property extensions.

Looking for Loft conversion in London?

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Loft conversion pros in London

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

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

Conversion | Loft in Harrow

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

Kullar Builders LTD

1 review(s)
Based: in Barking, IG11 9TP

Latest review

Benedict B., RM7
5

Conversion | Loft in Romford

CALLED IN AND ADVICED WITH ALL STYEP BY STEP BEFORE CALLING THE BIULDER.

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

Doma Build

1 review(s)
Based: in London, ha28fd

Latest review

JAMES C., HA1
5

Conversion | Loft in Harrow

positive advive

Similar Customer Enquiries for Loft conversion in London

04 Nov

Conversion | Loft

London - SE9

Enquiry from: William D

Start Date: Immediate

Customer made enquiry for Loft Conversion quotes online. Confirmed interest via phone at 17:44 Homeowner lives in London area. Please call to arrange appointment

Post a similar request >

07 Oct

Conversion | Loft

London - NW4

Enquiry from: Alireza A

Start Date: Immediate

I have a 30-square-meter loft with decent ceiling height that I want to convert into a one-bedroom, one-bathroom layout. I'd like to know the estimated cost, the materials required, and the expected t...

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14 Sep

Conversion | Loft

London - N16

Enquiry from: Barbara C

Start Date: Immediate

Convert loft to bedroom and bathroom. Add stairs.

Post a similar request >

08 Sep

Conversion | Loft

London - SE9

Enquiry from: Rob B

Start Date: Immediate

we have an existing simple velux conversion and are looking to add a dormer and bathroom. are you the property owner: owner of the property property type: terrace what are you looking to convert the s...

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06 Sep

Conversion | Loft

London - N13

Enquiry from: Tom M

Start Date: Immediate

loft converted many years ago with velux windows wondering what the cost might be to add a full dormer to maximise space. are you the property owner: owner of the property property type: semi detached...

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02 Jul

Conversion | Loft

London - SW4

Enquiry from: James C

Start Date: Immediate

converting an existing atic extension into a dormer extension with a terrace

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09 Jun

Conversion | Loft

London - E4

Enquiry from: Asad I

Start Date: Immediate

hi there, it is a semi-detached bungalow of 9.5m x 8m (approx) ground floor with a quite enough loft height. i want to have maximum inhabitable/living space probably 2 or 3 bed rooms(as possible and ...

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18 Jan

Conversion | Loft

London - W1H

Enquiry from: Naufil S

Start Date: Immediate

Loft Conversion Rear Dormer Cost Plan

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09 Jan

Conversion | Loft

London - SW18

Enquiry from: Andrew M

Start Date: Immediate

have an existing loft conversation with dormer roof facing the back of the house, would like to extend the existing dormer out 1.5m full width to new permitted development hip to gable are you the pro...

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05 Jan

Conversion | Loft

London - W7

Enquiry from: David C

Start Date: Immediate

new permanent staircase to loft area to replace a very steep ladder style staircase that is already installed. will need to cut through cupboards and potentially floor boards in loft? are you the prop...

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08 Dec

Conversion | Loft

London - SE27

Enquiry from: Katrina P

Start Date: Immediate

hello, i am purchasing a property and would like to convert the loft into a home office / bedroom. i would like to receive a quote for how much this would cost and the estimated time to complete the ...

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16 Nov

Conversion | Loft

London - SW14

Enquiry from: Justin W

Start Date: Immediate

we have an ageing rear dorma on a loft conversion with plumbed bathroom. we are currently having a new roof fitted front. and new gutters etc. i would like to get an idea to upgrade our current dorma ...

Post a similar request >

13 Nov

Conversion | Loft

London - E17

Enquiry from: Bashir C

Start Date: Immediate

homeowner loft conversion please contact to appoint

Post a similar request >

08 Nov

Conversion | Loft

London - E16

Enquiry from: Cos S

Start Date: Immediate

Need a Roof lift and conversion in Beckton, Newham, London! Im abroad and Im reachable on the number I shared via whatsapp or via email

Post a similar request >

06 Nov

Conversion | Loft

London - SE27

Enquiry from: Michael C

Start Date: Immediate

We want to convert the loft in our 1920s semi-detached house into two additional bedrooms and a small bathroom. This would be through the addition of a full-width rear dormer. We need a survey, and th...

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03 Nov

Conversion | Loft

London - E17

Enquiry from: Ivelina M

Start Date: Immediate

i need a loft staircase installed are you the property owner: tenant (with permission) property type: terrace what are you looking to convert the space into: living space are you looking to have stair...

Post a similar request >

02 Nov

Conversion | Loft

London - SE9

Enquiry from: Maureen H

Start Date: Immediate

are you the property owner: owner of the property what are you looking to convert the space into: living space are you looking to have stairs: yes do you require any windows: velux do you require plu...

Post a similar request >

02 Nov

Conversion | Loft

London - E17

Enquiry from: Bashir C

Start Date: Immediate

customer is looking for loft conversion quotes. they are unsure of options so would like to discuss. confirmed interest via sms/ customer lives in london area please call to arrange an appointment ar...

Post a similar request >

31 Oct

Conversion | Loft

London - N9

Enquiry from: Louisa A

Start Date: Immediate

homeowner loft conversion please call to appoint

Post a similar request >

27 Oct

Conversion | Loft

London - E17

Enquiry from: Bashir C

Start Date: Immediate

customer is looking for loft conversion quotes. they are unsure of options so would like to discuss. confirmed interest via sms/ customer lives in london area please call to arrange an appointment ar...

Post a similar request >

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FAQs

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.

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.

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.

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.

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London Loft conversion installers are rated 4.4 out of 5 based on 20 reviews of 222 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 London Loft conversion contractors

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