I highly recommend LCCL Construction. They completed our loft conversion to a very high standard, and the quality of their work throughout was excellent. The team was professional, reliable, and compl... Voir plus
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I highly recommend LCCL Construction. They completed our loft conversion to a very high standard, and the quality of their work throughout was excellent. The team was professional, reliable, and compl... Voir plus
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I couldn't be happier with my loft conversion and extension done by LCCL Building Construction. Real craftsmanship, professional management of the entire build from start to finish, seamless integrat... Voir plus
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I tried to book a consultation call through LCCL Construction’s website for our renovation project, but their booking system repeatedly failed after multiple attempts. I then called their office se... Voir plus
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We had LCCL do the design stages and build of our kitchen extension. The design was efficient even though we made some minor changes. The build ran like clockwork everyday the guys were here all day w... Voir plus
LCCL Construction is an award-winning design and build company based in Finchley, London N3, specialising in loft conversions, house extensions, home renovations, new builds and architectural design services across London and Hertfordshire. Over 20 years experience. LABC Award Winners 2024 for Best Residential Extension London. 200+ verified reviews rated 4.7/5. LABC Registered Partners and members of the National Federation of Builders. House extensions: We design and build all types of house extensions including rear extensions, side return extensions, kitchen extensions, wraparound extensions, double storey extensions and ground floor extensions across London and Hertfordshire. Loft conversions: We design and build all types of loft conversions including dormer loft conversions, L-shaped loft conversions, mansard loft conversions, hip to gable loft conversions and Velux loft conversions across London and Hertfordshire. Home renovations: Full and partial house renovations, flat and apartment refurbishments, kitchen and bathroom renovations across London and Hertfordshire. Architectural design services: Full architectural design service including planning permission, building regulations, structural calculations, party wall agreements, project management and construction drawings. New builds: Design and build of new residential properties and small developments across London and Hertfordshire. All projects are delivered as a complete design and build service — one company, one estimate, one point of contact from initial design through to construction completion. Optional 10-year LABC warranty on all projects.
3rd Floor, Hathway House, Popes Dr, Finchley, N3 1QF, London, Royaume-Uni
Loft conversion completed by Lccl Construction to a high standard, professional, honest and reliable loft conversion company would highly recommend.

Réponse de LCCL Construction
Very happy with our loft conversion that Lccl Construction has designed and built, highly recommend and the work is to high standard. The whole process was straight forward they done all the design, structure, party walls and construction of the loft conversion all passed by building control.

Réponse de LCCL Construction
We are currently completing our second project with LCCL construction we were very happy with the first project so have returned to them for our current project. We are mid build at the moment and despite our house throwing up a huge amount of hidden problems LCCL have been fantastic. As the build is ongoing I will for the moment review the design services and come back with a full review of the build once it is finished.
The design services from LCCL were not the cheapest but they were extremely competitive for what we wanted to do (ground floor extension and loft conversion). The site survey was completed at the arranged time and we were able to describe everything that we wanted. When the first draft of plans came back to us there were some changes we wanted to make so we sent our amendments back via email and they were amended and sent back to us. Alex and his team then managed the whole planning application process successfully and arranged for the structural drawings to be completed. The whole process has been smooth sailing and the team have been excellent, I’m quite confused by the 2 bad reviews scam is a very strong word to use and a what they have described as a small business being busy during times when all businesses have had to change the way they operate is probably not the definition of a scam. Good builders who start and finish an entire project are really in demand (and from what I have seen of some of my neighbours builds there’s a lot doing half a job and going) and hard to come by so having completed several projects I would always recommend booking your build as early as possible. I’ll post the pictures of the build when I write a review of the building services.

Réponse de LCCL Construction
I agree with the other reviews - LCCL is a scam. Alex requests for payment upfront but does not deliver on the work. When you ask for update on the work, he gives excuses that he has got a lot of projects. Such an unprofessional company! If you are not able to do the work, don't waste people's time and collect their money fraudulently!

Réponse de LCCL Construction
Unfortunately, I have got the same experience with Lccl Construction as one of the negative revies on Google. I just wasted lot of time and almost paid £1000 deposit for loft conversion. I never received terms and conditions or contract from Lccl Construction. Before paying the deposit of £1000, I wanted clarification on payment schedule, refund policy and confirmation that the company is covered by insurance as advises on comparethemarket - What insurance should your builder have.
As per email trail below, Lccl Construction avoided providing me with the requested information and just sent me an email with the company bank detail for deposit payment – it looked to me more as a scam than as a legitimate company.
From: Lccl Construction
Sent: 16 February 2021 7:57
Hi M .,
We will leave it for now, if there are other builders that you have asked to quote get in touch with them we are very busy now. We are currently focusing on projects we have on and that have signed up,
Many thanks
A.
On Mon, 15 Feb 2021 at 22:06, M wrote:
Hi A ,
As mentioned before I would like to book provisional date ASAP even October.
It is quite frustrating because your company sounds according to revies as quite good one. If you have provided terms and condition at the beginning with the quotation, than I would have already booked you in.
Are you please able to clarity questions highlighted in email below?
Best Regards,
M.
From: Lccl Construction
Sent: 15 February 2021 19:22
To: M.
Subject: Re:
Hi M.
Quick update:
While we was exchanging emails I had two signups for construction and deposit paid.
I will now need to move provisional date to October 2021
Did you still want this to be booked in or to keep the provisional date for October?
Many thanks
On Mon, 15 Feb 2021 at 09:20, M. > wrote:
Hi A,,
Sorry to be pain but can you please clarify the following:
1. Is refund policy 28 working days? Will I receive receipt for the deposit?
2. Payment schedule. There is no clarification what will be achieved in week 1 and week 2.
Therefore, can you please provide payment schedule on work carried out.
3. A few builders who visited my property provided without asking a copy of Contractors’ insurance and Public liability insurance.
If possible please provide a copy as well.
Many thanks,
Best Regards,
M.
From: Lccl Construction
Sent: 13 February 2021 09:06
To: M.
Subject: Re:
Hi
As per our terms and conditions, it is 28 working day refund policy
We dont usually issue insurance certificate as there is nothing to claim, in either case insurance companies deal with this in case of an event
The party wall agreement is between you and your neighbours, ultimately you are responsible for party wall
payment 50% from total sum week 1
payment remaining from total sum 50% week 2
Many thanks
Kind Regards,
A,
On Wed, 10 Feb 2021 at 19:32, M. < wrote:
Hi A,
Thanks for the invoice and sorry about the late reply as I was on site until very late yesterday and today.
Before I pay the deposit, can you please clarify the following:
Payment schedule.
Deposit refund policy (If I’m correct you mentioned 28 working days)
Can you please email me certificate of company insurance policy.
Best Regards,
M.
From: Lccl Construction <
Sent: 09 February 2021 20:46
To: M. <
Subject: Re:
Hi M.
Please find enclosed the invoice for the construction deposit
Many thanks
Kind Regards,
A,
On Mon, 8 Feb 2021 at 22:39, Lccl Construction < wrote:
Hi
Sure, will issue the details tomorrow
Many thanks
--
Kind Regards,
A.
On Mon, 8 Feb 2021 at 21:58, M, wrote:
Hi A.,
As discussed on Friday. Can you please book me for 15th of May.
Please email me the details regarding the deposit payment.
Best Regards,
M,

Réponse de LCCL Construction
Alex from LCCL has been very responsive in providing professional advices and sharing his experience in dealing with possible planning and building control obstacles. The design drawings were prepared within tight time frame and we passed the planning application progress in one go. Alex and his team are friendly and accommodate, good to work with.
Has done excellent job with design and build of our loft conversion in North London. Very happy with the whole process, professional and trustworthy loft company would highly recommend to anyone looking for experienced design and build loft company in north London. We are very happy with everything and very grateful. Thanks so much
Loft conversion design and build completed to a high specification and I couldn't be more happier with the work. The design was received within 2 weeks of measured survey. After the structural drawings was completed Alexander booked us in for the construction. The construction quality is to a high standard. I would highly recommend Lccl Construction.
Professional and trustworthy design and build construction company. Alexander has been working on our home and has done an amazing job. I did not know much about architecture or construction of home extension but Alexander made sure I was always informed and anything that did not understand Alexander would make sure I know exactly how it works and provide a lot of advice. Alexander has brought in lot of ideas towards the design and interior design. Construction also went smooth from kitchen to plumbing and electricity which Alexander and his team was heavily involved in. I had the best experience from Lccl Construction and would highly recommend their design and architecture services.
Architecture services from Lccl construction are fantastic! We had many quotes from different architects in north london for our loft conversion and remodeling of our period property in North London, and Lccl Construction had our attention due to its design and build capabilities. We was rest assured all would be looked after one roof including design and build and they done just that. They have successfully completed the design phase which includes architecture, planning, partywall agreements and structural drawings and calculations. We are very happy with the design of the loft conversion and home extension. I would highly recommend.
We used Lccl to do a hip-to-gable loft conversion. From the initial stages of architectural design, planning applications, construction calculations and party wall agreements to the final stages of construction, Alexander and his team provided us with excellent and professional service from beginning to end.
During construction, Alexander gave very helpful suggestions and was able to provide us with a high-standard loft conversion tailored to our house. We would highly recommend Lccl to our friends.
Excellent job done by Lccl Construction design and build of loft conversion and home extension, highly recommended we are very happy with all the work. Thanks very much
Professional, honest and understanding approach to our requirements. Highly Recommend

Réponse de LCCL Construction
Having done an extensive amount of research into building companies who do loft extensions I contacted Lccl Construction through their website. They have a facility online to make an appointment to talk with them. Having booked an appointment it was followed up with an email. The architect's drawings and building plans were also attached.
I then received a text message confirming the appointment that had been made through the website. On the day in question I should have received a call at 3.30pm. By 4pm I was still waiting so called the office of Lccl construction in Popes Drive Finchley. There was no answer and no facility to leave a message.
Later that evening I received an email from Aleksandar in response to the email that I'd sent re-confirming the appointment made through their website. He said he could help with the project which was a first floor extension plus a loft conversion. He then asked that I make an appointment with them through their website.
In my reply I explained I had already done that but nobody had called. I never heard from Aleksandar or anyone else from Lccl Construction again.
For a company who has so many positive reviews in different places online all of which have nothing but praise for Lccl Construction, I was extremely disappointed with the way they deal with new enquiries. This wasn't a small job by any means and has now been confirmed with another company at well over £100,000.
In Response to Lccl's Reply to my Review;
The response that has just been left by Lccl Construction speaks volumes about this company and I couldn't be happier that we didn't use them.
Instead of being apologetic he says he feels sorry that I feel this way about their "Free Consultation Calls service". It seems they believe they're doing the public a favour by offering this service free of charge. I think you'll find very few builders charge potential customers who make an enquiry about obtaining an estimate. Bear in mind this was an initial enquiry not that it should make any difference.
You say you endeavour to provide the best customer service to all enquiries but clearly as can be seen from my review, you didn't do that on this occasion.
You also say you don't have a record of my username on your system. It may surprise you to learn that when I contact a company about building work or anything else for that matter, I use my real name, not my Trustpilot user name!
To jog your memory I've pasted below our email correspondence. Personal details have been removed for data protection.
On Wed, 21 Oct 2020 at 15:09, xxx wrote:
Good Afternoon,
I’d like to get a quote for the below project please. Planning permission has been granted and architectural/structural drawings and calculations have also been completed:
A brief description of the work:
3x RSJs downstairs to be sunken into the ceiling
Ceiling on ground floor extension to be raised and new roof fitted. First floor bedroom to be extended over ground floor extension. Loft Conversion to be constructed.
I have attached the architect’s drawings for your reference and can also supply the structural engineer’s calculations if required. I will arrange a call-back via your website facility for tomorrow but would appreciate a call back before if possible.
Many thanks and I look forward to hearing from you,
On 22 Oct 2020, at 19:58, Lccl Construction wrote:
Hi xxx
We can assist you with the construction of the loft conversion. If this is of interest please schedule a consultation call on our website.
Kind Regards,
xxxx
Lccl Construction Design and Build
Architecture / Survey / Project Management / Construction
From:
Sent: 22 October 2020 20:59
To: Lccl Construction
Subject: Re: Construction Quote for loft and first floor extension
Hi xxx,
Thanks for your email.
An appointment was arranged yesterday through your website to talk with someone at 15:30 today. I received an email and a text confirming the appointment.
I sat waiting for the phone to ring until 16:15 and then called your office to find out why nobody had been in touch. There was no answer and I was unable to leave a message as there was no answering machine.
Kind Regards,

Réponse de LCCL Construction
Loft conversion design and build completed by Lccl Construction to a high standard I am very happy with the whole design and construction process. The loft conversion is fully approved and signed of by building control. I would highly recommend Lccl Construction.
Has done an amazing job design and build of the loft conversion in Barnet, London. Alexander from Lccl Construction has been a pleasure to work with, he has made sure that we are happy with all the the services including architecture and construction. The work is completed on budget and time and to a good standard as expected. We went with Lccl Construction as they are design and build company and specialist in loft conversion and home extension and Alexander is highly recommended. I would have no hesitation in recommending Lccl Construction they are the best and highly recommend loft conversion company in London.
Great free initial consultation call with Alexander from LCCL Construction today to talk about our loft conversion project. Very insightful and ready to answer all of our questions. I would recommend. Emmanuel.
From the moment we asked for a quote from Lccl Construction they were very helpful in informing us about each stage of the process. They have done a great job with creating architectural plans for our loft conversion, obtaining planning permission from the council, party wall agreements/awards and structural drawing calculations. The process was very smooth and they kept us informed at every stage and were always helpful if we had any questions.
Excellent! We’ve used Lccl Construction for architecture services, the initial drawings for loft conversion and home extension in London, the services have been brilliant. Full planning permissions have been obtained, building control approved, very recommended.
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