Loft Conversions & Extension Specialists

Celebrating 25 years of loft conversions & extensions in South London

Celebrating over 25 years in business! Based in South London but covering anywhere in the Greater London area. With hundreds of happy customers we've worked all over and often have a loft converted not too far from where you live so you can check out our work!

Your dedicated loft conversions and extension specialist

Many of our projects come to us via direct recommendations. On one street alone we have carried out 36 Loft Conversions! We’ve been in the business for 25 years and build the best loft conversions London has to offer.

10 YEAR GUARANTEE

In the unlikely event that something needs looking at after we have completed the work, we’ll put it right.

Competitive prices

Competitive prices, well managed builds, and high quality customer service.

Free quotes

Start bringing your vision to life with a free no-obligation quote and a chat about the possibilities for your project

Probably the most common loft conversions happen on these types of houses. Check the options here and you will find something similar.

Some end-of-terrace conversions are the same as if a house were mid-terrace, some are gable ended and some have the sloping hip end.

This period of property is one of the most commonly worked on through out year, and we have many examples for you to view.

If you live in a conservation area, the council may not allow you to have a rear dormer, but they will let you have a mansard or a combination of Velux roof windows and small dormers.

Testimonials

  • We were absolutely thrilled with the work that South London Lofts did for us last year. They were incredibly professional and a delight to deal with. The entire team worked very hard to get the work done and we’re really pleased with the result. We had a couple of issues after the work was finished and I was very impressed at the speed and efficiency with which the project manager and roofers returned, dealt with the problem and made the necessary repairs. The extension is so well done I can’t actually remember what the house used to look like before…

    Shelly
    Pulross Rd, Brixton
  • We chose to go with South London Lofts due to their credibility and reputation that they had in and around my surrounding area. The work was of high standard, was completed in budget (no hidden surprises), and on time. The after service care has been impeccable as well. I would highly recommend using SLL.

    Max
    Cambray Rd, SW12
  • Just to say we were very happy with the conversion. From start to finish. It was very well organised and the team working on the loft were thoroughly considerate and professional throughout.

    We would not hesitate to recommend your company to others considering a conversion.

    Jonny
    Lowden Rd, SE24
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Recent News

4.1
Based on 91 reviews
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Emma Jackson
10:36 22 Dec 22
Andrew Robertson
13:15 16 Nov 22
We have just had a loft conversion completed in Peckham by SLL.From start to finish we found the company efficient and helpful.All trades people were reliable and knowledgeable and provided a first rate service.We would highly recommend this company for your loft conversion project.
Dawn Worrell
16:45 19 Nov 21
Can't say enough good things about this company. They started the loft in April and finished it in July. The delays were caused by the difficulties in getting materials due to lockdown and the shortage of delivery drivers following brexit.Our loft was finished to a high standard with the project manager offering money saving advice as well as advice on ascetics and design. He answered our queries in a speedy manner and checked in regularly!This room and bathroom have become my sanctuary. Thanks guys!
Nickie Rehal
15:11 10 Sep 21
We have just had an extension completed by South London Lofts. This is the second time we have used them; they built our loft in 2016. They are a very honest and hardworking group of guys; we cannot fault their workmanship. The on-site builders were very respectful, each night they left the building site clean, tidy and secure.South London Lofts were so impressive when they built our loft, in 2016, that we knew when we were ready to get our extension, we would use them again. We did get a couple of quotes and South London Lofts were very competitive. Craig visited us on both occasions and went through the plan, outlining any additional costs we need to consider, this is made very clear and we were grateful, as they are not always apparent when you are thinking of have building work. Sergio our Project Manager was absolutely lovely, he always answered my calls and kept me well informed of each stage, he even helped us out on a few occasions, once when my son took the radiator off and our heating stopped, he sent a plumber immediately, at no extra cost.The quality of our build is amazing, we cannot fault it, we simply love the outcome. I would most definitely use them again and I would highly recommend them.
Caroline Taunt
07:43 15 Jan 18
We chose South London lofts as they had done a good job for a competitive price for our neighbours. They did an excellent job - they were quick and we liked that they had lots of experience doing our kind of house so they didn't ask us to make lots and lots of decisions.. It was all very easy! Since having the loft done nearly 7 years ago we have had a couple of minor problems and they have come back quickly and sorted them out with no cost. We would definitely recommend them.
Naynesh Patel
10:40 14 Nov 17
We live in Tooting and we had seen South London Lofts working locally over the years, we needed to get our loft converted and got them in to quote. They were very informative and I was impressed with their system and the speed that things progressed, from the design & drawings stage through to getting the work started. Our conversion is just what we needed for our family. Many thanks again for a great job.
G H
01:16 12 Nov 17
After seeing quite a few builders we chose South London Lofts. They were clear about the process, answered all our questions and they offered a good price. What sealed it for us was seeing a few of the jobs they had already done. One was done a good while back, which we wanted to see so we could see how the quality of the work stood up over time, and the other had just been finished a few days earlier and is a couple of streets from us. The people there told us how they had had very positive experiences of their build, and we could see ourselves the quality of everything.We have a mid-terrace 1930’s house now with a dormer loft conversion that gives us a very large bedroom, off which is a good sized shower room and toilet. We also made sure we had decent sized under eaves storage area for all the stuff like camping gear and Christmas stuff etc. It has a lovely wide and light stair up to it that just looks like a continuation of the original stair to the first floor, it matches it perfectly. 3 velux windows and French windows/doors at the back. There is a very high quality of finish all round and we are very happy with it all.I work from home, so I got to see a lot of the work as it progressed. The builders were always polite and considerate over things like minimising the dust that might come down into the house, which only happened once the stair hole was made. When they made the hole they put down protection for the stair below and hung drapes and neatly contained the mess. After that as there was some people traffic up through the house to the loft they put down protective plastic on the carpets up to the loft which when it was taken up revealed the carpets in the same condition they were in before the work began.We asked, during the build, for some extra work to be done – for instance I could see, when I went up and looked out the new Velux windows, that the parapet of the party wall, above the level of the tiled roof, between ourselves and our neighbour was in a bad state. The bricks looked like very bad tooth decay and not going to last, so I had that fixed and I had the front bays very tired roof felt redone. Both were done again to very high standard, the wall looks great, and the price was very fair. Any extra things we wanted were always very reasonably priced and it was always given very straight-forwardly, which I liked. This extended to things like a number of extra sockets, aerial sockets and deciding to have downlights in the 1st floor landing and bathroom below. The electricians were great both they and the plumber/bathroom fitters took the time to check and double check we were getting what we wanted, exactly where we wanted it. The plumbers handled the fittings we’d bought with the utmost care, careful not to scratch or mark anything - they were very sweet guys.We had an occasion when it looked like, because of the way the roof was constructed in one place, we might not be able to have the size of window in the stairwell we wanted, and that it might not be lined up how we wished. The lead first-fix carpenter was great, he said to leave it with him and then he came the next day with a solution and he was able to position it perfectly central between the stair well walls. Other things they took in their stride included how we wanted the Velux windows fitted, with a narrow engineered wooden bar that Velux provide, so windows could be close together and you maximise head height. The plasterer deserves a mention too, as he made these beautiful curves in the bedroom ceiling where the flat ceiling curves down to the sloping one. And he did this lovely curve of plaster work under the new stair, that you pass under when you go down to the ground floor. The roofers too did a great job, with real attention to detail with the flashings, everything.I’ve attached some pictures, so you can see something of what they did for us.
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Celebrating 25 years · The Complete Service · 10 Year Guarantee · Free Estimates · Competitive Prices · Excellent Designs and Unbeatable Workmanship · Velux Roof Window Approved Installer · Full Building Control Approval