L Shape Extension Ltd
House Extensions

L Shape Extension North London – Best House Extensions North London

If you are thinking of having a house extension North London construction, we are the company to call. Lshape home extensions North London have virtually two decades experience serving London, the surrounding areas and all across the UK.

We are experts in all types of construction works from renovating old buildings to the construction of stunning modern homes. Our team comprises: basement construction North London experts, loft conversion builders North London, as well a kitchen extensions North London, and a house extensions in North London professionals.

All our work is performed by experienced, skilled contractors. Putting a priority on safety and superior quality, our work is always  to an exceptional standard. We put an emphasis on design and on style, to offer you the very best service.

All our construction work is covered by liability insurance and additional service guarantees to all our customers as well as warranties for all our work, giving you piece of mind, you can put your trust in us. We will work with you from design through to completion, you can count on us.

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Lshape Extension

We are well respected in industry, known for our skilled contractors and the high quality of their work on commercial and residential properties. Our services are varied and abundant. Whatever service you require for your property, we can assist you. Not only do we specialise in extension work but a whole range of additional skilled services from electrical work to plumbers. swimming pool conversions to tiling and decorating. Click on our services page for more information about the wide range of services we provide. Lshape Extension does it all!

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House Extensions London With Our Company!

Check Our Most Popular House Extension Types


For some of our house extensions in North London, porches are increasingly popular. Usually small extensions to the front of a house, they can also be added to the back of a property. Typical examples of these home extensions  include simple brick wall structures with columns, windows and a door. Other such home extensions in North London homes include provision for electrical installations. Most house extensions in North London that are porches do not require planning permission.


With appropriate space is available, single story rear extensions in North London homes offer great potential to change the nature of your house. These house extensions in North London can include internal property alterations such as opening up kitchens to back gardens to create an open-plan area that can be used as a combined kitchen, dining and living area . For these house extensions North London, benefits include more space and increases property value.


Some of our house extensions in london are wrap around, created by combining a side return extension and a rear extension together, creating L shaped wrap around extensions. More often than not, these house extensions involve building the side wall closer to the neighbouring building border and moving the rear wall of your property into the rear garden, creating an L shaped house extensions.

L Shape Extension Ltd. is the perfect company for anyone in London looking for a high-quality basement conversion. The team is very experienced and knowledgeable about repairing old buildings, as well as building new ones. Their focus on style, quality and safety is evident in all of their work, and their promise of guaranteed service and warranties for all jobs is very reassuring
Julia BishopJulia Bishop
17:47 29 Mar 23
I recently had a house extension built and I'm so pleased with the results. The team were professional and worked hard to complete the project on time. They kept me informed and checked I was happy with the progress at every stage. The quality of the work was excellent, the price was great and I love the end result. I'd highly recommend them to anyone looking to extend their home.
Patrick HughesPatrick Hughes
14:44 26 Mar 23
Our family was in desperate need of additional living space and we decided to convert our basement into a guest suite. The construction team were professional, efficient, and kept us informed throughout the entire process. The end result was a beautiful space that has made our home more comfortable and able to accommodate guests.
Elatserge SergeElatserge Serge
20:07 24 Mar 23
I was very impressed with the professionalism and expertise of L Shape Extension Ltd. throughout my extension project. They were able to seamlessly blend the new extension with the existing structure, and the finished product is both beautiful and functional. The team was very responsive to my needs throughout the entire process, and I would definitely use them again in future projects!
Kusiima SusanKusiima Susan
04:17 19 Mar 23
I had a great experience working with my basement builders. From start to finish, they were responsive, communicative, and attentive to my needs. They took the time to understand what I wanted for the space and made sure that every detail was perfect. The team was reliable and professional, and the end result exceeded my expectations. I would definitely use them again for any future projects.
Loman ButlerLoman Butler
19:20 02 Mar 23
I recently had an L-shaped kitchen extension built and I am extremely satisfied with the result. The additional space has allowed me to have a larger dining area and a better functional kitchen. The light that flows in has made it bright and welcoming. The design is modern and sleek, and the materials used are of high quality. The construction was without any problems. I highly recommend this extension to anyone looking to enhance their living space.
Charles WilsonCharles Wilson
16:42 27 Feb 23
I had my basement refurbished, the team was professional, efficient and paid attention to my specific requests. They transformed my dark and dingy basement into a bright and functional new room that my family can now enjoy. The quality of their work exceeded my expectations and they were able to complete the project on time and within budget. I highly recommend this company for any basement refurbishment needs.
Fredrick RichardsFredrick Richards
17:00 24 Feb 23
I have just had a rear extension built on my home and I couldn't be happier with the results. The builders were professional and efficient, completing the project in good time with minimal disruption to my daily routine. The finished extension is fantastic and provides much needed extra space for my family. The quality of the workmanship is excellent and can be seen in the attention to detail and the overall appeal of the extension. I highly recommend this company.
Michael StevensonMichael Stevenson
08:09 05 Feb 23
We highly recommend these guys for basement finishing. They finished our basement 6 months ago and it has provided us with fantastic extra living space. The work was carried out professionally, the team were reliable and very good at what they do! Everything came in on budget. The workmanship is to a very high standard.!!
Sebastian SantosSebastian Santos
18:56 01 Feb 23
Our basement was converted into a home office, we were given detailed advice and we were walked through what the job would entail. We are really pleased with the final result and would definitely use this company again. We highly recommend them..
Jason PerezJason Perez
18:18 24 Jan 23
My basement renovation is absolutely perfect, better than I could imagine. Thank you!
Jose BanksJose Banks
09:19 12 Jan 23
We highly recommend this basement company and their professional basement contractors. They were skilled and really knowledgeable, in local building regulations as well as basement construction. Their electrician and plumber were also very professional and knew what they were doing.
Bear GrlIzBear GrlIz
18:59 17 Feb 22
My recent basement excavation work was seamless thanks to these wonderful basement contractors in London, professional and efficient from start to finish, a wonderful company to work with.

Doing a basement conversion with basement company North London or renovation is often a cost effective way to not only ensure you create extra space in your home, but also a way of ensuring you can stay where you are to avoid the hassle of moving.

For some of our clients, the cellar renovation is the last stage in completing their unfinished space, and a sure fire way of enjoying the advantages of doing this kind of basement construction North London, with benefits including:

Creating Additional Space
Doing a casement finishing is a wonderful way to add much needed space. Whether it is for a home office, a new en suite, or a dedicated entertainment space, a basement conversion North London can give space you never dreamed of. For many of our customers their cellar renovation adds as much as a third of their floor in extra rooms, something which is invaluable for growing families or working at home professionals.

Added Property Value
Beyond the benefits of adding much needed space, a basement conversion North London can also ensure that your property resale value is also improved, always a good thing to have in the bank, as it were.

Creative Freedom
With a basement conversion North London homes, people have creative freedom, largely as the decor or style can be different from the rest of the home. From a contemporary style to a traditional twist, your cellar conversion or renovation can reflect your personal taste and unleash your creative side.

House Extensions London
Frequently Asked Questions

What different types of extensions can I build on my property?

When it comes to house extensions in london, there are many different types. From rear kitchen extensions in london townhouses to rear extensions in london terraces, we can do them all. . Home extensions in london are a great way to expand and transform your property. With years of experience, we are experts at building house extensions all across london, guaranteeing professional service and great results.
From stunning new ensuites to sleek kitchen extensions, our london home extensions team are on hand to realise your vision.

How long does it take to build a house extension?

Size and style of house extensions in london determine various lengths of projects, from planning permission to completion.  Our  experience with home extensions in london  ensures a solid project plan, with work on time and on budget.

Where to start planning our house extension?

We boast years of experience building house extensions in london, so we are equipped to help you with your project from start to finish. From kitchen extensions to rear extensions, London customers get our expert planning.

Will a house extension add value to my home?

House extensions on london properties can often  add up to to 23% to the value of your property. Based on nationwide research, house extensions in london adding a bathroom could add 6%, home extensions adding a double bedroom 12%,  and a house extension in london that includes a double bedroom and an en-suite could an additional 23% to the value of your home.

Advantages of House Extensions in North london

House Extensions Add Living Space

If you need more living space in your North London home, you can either look for a larger property to move to or take the more practical and cost effective route of getting one of our house extensions on your North London property.

When it comes to moving house, it’s the hassle of finding a new place, getting a buyer for your current home, and all the costs that this entails, not to mention the stress it can cause. This is why a professional planned rear extension or one of our other house extensions on your london home is an attractive option, to avoid all that stress and strain.

House Extensions Add Value

If you need more living space in your North London home, you can either look for a larger property to move to or take the more practical and cost effective route of getting one of our house extensions on your North London property.

When it comes to moving house, it’s the hassle of finding a new place, getting a buyer for your current home, and all the costs that this entails, not to mention the stress it can cause. This is why a professional planned rear extension Norht London or one of our other house extensions on your london home is an attractive option, to avoid all that stress and strain.

L Shape Extension
Specialist Builders Of Kitchen And House Extensions In North London

When you decide that you want one of the best home extensions in North London, we are the company to call and the team to trust. At L Shape Extension, all our extension builders in North London are trained to work closely with each customer to guaranteed the results they want at a price they can appreciate.

Our kitchen extensions, rear extension work, and all home extensions in North London are bespoke, designed to improve your property and add a stunning new look to your home, not to mention all the additional space. We offer kitchen extensions in North London homes that are guaranteed to give great spaces for growing families, or even a rear extension that can add a much needed home office, all our house extensions will deliver. At L Shape Extension, all our house extensions in North London are done in close collaboration with customers, delivering satisfaction.


When it comes to house extensions in North London, a site visit is critical. From kitchen extensions to rear extension each project is different, meaning our on site observations become crucial for the project. From customer preferences to building regulation requirement assessments, our house extensions team in North London use the site visit to map out the work and get all the deliverables listed and provided for clients.


All house extensions in North London require a plan and design stage, which is something clients and extensions builders work on in unison. Whether a rear extension or one of our kitchen extensions, North London homeowners working with us are guaranteed to get the best plans and the preferred solutions for their project and property. Our years of experience make our procedures and budgeting second to none.


Design, planning, and budget considerations are essential for all home extensions in North London. From arranging assistance, gaining approval from the council, paperwork from building authorities, and more, our team will help design and plan everything down to the last crucial detail, even working out what is considered to be within “permitted development”. At L Shape Extension, our extension builders across London will use the expertise.


Once our home extensions North London team is satisfied that everything is planned, approved, and budgeted, the building process will begin as soon as possible. Whatever the build may be, from kitchen extensions to an all important rear extension, our extension builders in North London will strive to make the build as seamless as possible, doing the work with minimal disruption while delivering maximize results, that’s our promise.

Weather Conditions and Your House Extension Project

When it comes to house extensions or kitchen extensions in North London homes, we know that any domestic construction project can be stressful and hard to deal with, which is especially true if you experience unexpected and painful delays during the project construction.

With such a range of house extensions and kitchen extensions available in North London, the reasons for any delay can be varied, but in the UK, one of the main reasons for these delays is poor weather during the winter months, though house extensions in North London can also incur delays during hot weather as well as cold weather, disrupting your extension project. At L Shape Extensions, we will always keep clients informed, in the loop about any delays to their house extension work.

For house extensions work in North London, the temperature of the outside air is an important factor, as some building materials and substances do not mix or set correctly if the temperature is below three degrees celsius.

For house or rear extension work done in the winter months in North London this can cause delays when laying brickwork or blockwork, which unfortunately cannot be avoided or mitigated. If cold weather is in the forecast, our L Shaped Extensions dedicated project manager will be on site and on hand to discuss how this will impact your house extension timeline and work.
Whether it is stormy weather or snow, our house extensions team in North London will work with you to ensure we work whenever possible, and take into account any delays the weather may cause.

At L Shape Extensions, all our house extensions, kitchen extensions, and rear extension projects in North London come with a dedicated project manager who will keep you updated on estimated completion times and notify you if there is a delay or wait time for obtaining a specific material that is needed for your project. Contact us today to discuss house extensions in North London and arrange your free site survey.

Planning Permission for a Wrap Around
House Extension in North London: Is it needed?

When it comes to house extensions, North London properties differ in terms of what can be done under permitted development rules and what can be applied to both side and rear element of wrap-around extensions,  including:

For house extensions, North London homeowners can extend detached properties by 8m to the rear for a single-storey extension or rear extension (6m for a semi or terraced house)

For some home extensions, North London property owners do a side extensions, which is one of the popular home extensions North London homeowners go for. These can only be a single storey with a maximum height of 4m and width no more than half of the original building

For House extensions, North London properties must not have work done that results in more than half the garden being covered.