Basement Services

BNS Basement Contractors: Masterful Basement Construction in London Area

At BNS Groundwork London, we are proud to be staffed by a talented team of basement contractors London placed, as well as structural teams, waterproofing and site set up crews, ensuring the right expertise to do a range of basement construction work in London.

We believe in innovation in basement construction near me, allowing us to set the standards with basement construction and basement building London, always delivering what clients want. As an established basement company near me placed, we pioneer and build new engineering, basement construction and underpinning methods, maximising the space of each property.

When it comes to creating additional space, our basement contractors can do everything from basic basement construction to extending below gardens and driveways. During our basement construction work in London, traditional underpinning techniques are supplemented by other engineering methods such as contiguous bored piles, reinforced concrete walls, slabs and composite decking.

BNS Groundwork London
Based on 21 reviews
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yoganand Syoganand S
13:43 06 Mar 24
Highly recommend this groundworks company! Their attention to detail and commitment to quality is unmatched. A reliable choice for any construction company.
Kimberley WrightKimberley Wright
13:21 04 Mar 24
Exceptional groundworks service in London! Professional, efficient and highly skilled contractors. Couldn't be happier with the results.
Shona LauderShona Lauder
12:19 02 Feb 24
Highly recommended. This company has excellent knowledge and efficiently carried out ground works.
12:24 12 Jan 24
The groundwork contractors from this company exceeded our expectations. Their expertise and attention detail in laying the foundation for our project were remarkable.
Courtney HelenaCourtney Helena
12:25 09 Jan 24
This groundwork contractors near me proved to be a valuable partner. Their precision and commitment to timelines make our project a smooth experience.
Callum ThorneCallum Thorne
13:09 04 Jan 24
We are delighted with the results of the groundworks contractors' services in our property. Their professionalism and commitment to quality was evident in every step of the construction process.
Evie CummingsEvie Cummings
13:01 07 Dec 23
The professionalism of this company's groundwork contractors was evident from the start. The precision in earthmoving and grading laid the groundwork for a smooth and successful construction process.
Topaz WilliamsTopaz Williams
13:42 01 Dec 23
The company is a guarantee of success in basement construction. Every element was made with attention to detail. It was the best investment we could have made!
Suraj NathwaniSuraj Nathwani
12:24 03 Nov 23
Highly Recommended! Top quality Services! They Built me a spacious and comfortable basement that meets all my expectations.
Dorota BrodaDorota Broda
18:48 23 Oct 23
BNS Groundwork London is a 5/5 star construction company. They did an outstanding job on our basement project. Professional, skilled, and exceeded our expectations. Highly satisfied!
Monika KalinowskaMonika Kalinowska
18:48 23 Oct 23
BNS Groundwork London deserves a solid 5/5 stars! Their work on our basement was impeccable. Professional, efficient, and exceeded our expectations. Highly recommend their construction services!
London BasementLondon Basement
09:39 23 Oct 23
This company recently completed large basement project for us. I have to say that they are friendly and easy to work with. Bart, company PM is reliable and competent. Basement works completed in high standard, site well managed, clean, organised.
Jenna LaneJenna Lane
08:22 23 Oct 23
Their service is of high quality and also tailored to the individual client's needs. The team was knowledgeable and focused on achieving an excellent result. The basement is not only•functional but also aesthetically pleasing.
Zunaib AliZunaib Ali
10:48 16 Oct 23
I couldn't be happier with the company's work on my basement build I commissioned last year. The basement is spacious, well lit and perfectly designed. I would highly recommend.
Monika BrogowskaMonika Brogowska
12:12 05 Oct 23
BNS Groundwork London is a star construction company! Their work is impeccable and they completed our project on time. Impressed!
Allan lammymanAllan lammyman
22:17 25 Sep 23
Working with this team is like finding a £20 note in an old jacket: an unexpected delight! They lay foundations like Picasso painted canvases.Bravo!
22:15 25 Sep 23
Five Stars! If they were a superhero, they’d Be Captain Concrete. Smooth, solid, and always saving the day. Here’s to many more projects that don’t ‘crack’ under pressure!
Olivia ManningOlivia Manning
22:29 18 Sep 23
The basement built by this company is absolutely fantastic! I highly recommend their services.
Malakey MMalakey M
22:43 12 Sep 23
Choosing this company for my basementwas the best decision. Their professionalteam delivered a spacious basement thatperfectly fulfills my needs. Highlyrecommended!
fatiha mountazihfatiha mountazih
16:56 29 Aug 23
This company is one of the best choices I could have made when building my basement. Their professionalism and excellent workmanship are truly remarkable. Throughout the whole process of working together, I felt I was in good hands. The team was very knowledgeable and took care of every detail. I would recommend this company to anyone looking for an excellent basement
Arianne Lei BautistaArianne Lei Bautista
14:52 14 Aug 23
A complete professionalism! Their knowledge and skills are extraordinary. Throughout the entire process of building the basement. I felt confident knowing that I was dealing with true professionals. Their teamwork with dedication and attention to the smallest details resulting in great end result.
Jacob HandymanJacob Handyman
16:41 01 Aug 23
Their team not only approached the construction of the basement professionally, but also with great commitment. The end result is simply amazing! The basement not only meets my expectations in terms of functionality, but also looks simply gorgeous. It really is the perfect place for me to spend time with family and friends. I cannot recommend them enough!
amal aoufyamal aoufy
10:39 21 Jul 23
They did an amazing job for me in building the basement. FromThe start to finish,their approach to the project was full of commitment and professionalism.
Rouhfthe TeresitaRouhfthe Teresita
16:17 16 Jul 23
It was the best decision choosing this company to build my basement. Thanks to this professional team, I have a spacious basement that meets all my needs. I highly recommend their services!
Debra HuntDebra Hunt
14:30 28 Mar 23
I had a great experience working with this groundworks company in London. They were prompt, reliable, and the quality of their work was exceptional. I would definitely recommend them to anyone looking for a trustworthy and efficient groundworks company.
Elatserge SergeElatserge Serge
20:05 24 Mar 23
I am extremely impressed with the quality of work that was done by the groundworks team. The job was completed to a high standard and the communication throughout the project was excellent. Highly recommended for any groundworks project in London.
Daniel HenryDaniel Henry
13:25 25 Feb 23
We hired a groundworks contractor to install a new septic system on our property, and we were very happy with their work. They were very professional and knowledgeable, and they kept us updated throughout the entire process. The team was always on time and worked efficiently to complete the job as quickly as possible. The finished septic system works perfectly, and we would definitely use this contractor again for any future groundworks needs.
Charles WatsonCharles Watson
15:32 22 Feb 23
I recently used a groundworks contractor for a landscaping project and was really impressed with the quality of their work. They were very communicative throughout the entire process and were able to produce exactly what I wanted. The team was always on time, efficient, and professional, and they left the job site clean and tidy at the end of each day. I would definitely use them again for any future projects.
Mekhi BurnsMekhi Burns
15:36 31 Jan 23
I have nothing but praise for this company. They have excellent customer service, and great equipment, they work really hard, and do work of the highest quality. I’m absolutely satisfied, and will definitely be working with them again if the need arises- although they’ve done such good work I don’t think there will be any need.
Lasfeen QuainLasfeen Quain
13:32 31 Jan 23
I got a really reasonable quote from this company, considering how much work it takes to get a property ready for building on. They took care of everything, from the electrics, water, and gas to the foundations and landscaping. They showed their experience and capability and worked diligently to get everything done as quickly as possible. Thanks to the whole team for all the work they did, I’ll definitely be recommending them to anyone who could use their services.
David RossDavid Ross
10:33 26 Jan 23
Very kind people, quick response to my message. The price they gave me was the best out of 4 others.
Russell MorrisRussell Morris
18:15 24 Jan 23
I have nothing but praise for this company. They have excellent customer service, and great equipment, they work really hard, and do work of the highest quality. I’m absolutely satisfied, and will definitely be working with them again if the need arises- although they’ve done such good work I don’t think there will be any need.
16:00 17 Jan 23
BNS did a groundwork construction for my house project last year. They did a great job, it was quick and clean, the team estimated and showed me all the prices in a very professional way, they also kept watch on a budget and helped me make it to the point even though the costs rose a lot. For any groundworks or basement things I recommend them highly 🙂
Jakob MJakob M
13:20 07 Dec 21
I used tis company in the past and will use them again for my up coming project , highly recommend them to all developers.Easy to work with, great knowledge, amazing communication with structural engineers and architects and skills that provide high quality finish.
Juan DerfalJuan Derfal
11:47 11 Nov 21
As a property developer I need groundwork in London quite often, and I always use these groundworks contractors. As well as being well priced, they are reliable, hard working, and have industry leading standards. Highly recommended.

Unveiling Your London Basement Construction Choices

Revive Your Space: Retrofit Basement Construction

For some basement building, an under house (Retrofit) is the most popular, where our basement contractors near me in London will excavate below your property while you carry on living in your property as normal, making our basement building a minimum disruption process.

Depths of Possibility: Sub-basement Construction

For other basement building London projects, we use the Sub-Basement, where our basement contractors are not restricted to a single level basement. BNS offers experience in building multiple level basements, including the installation of swimming pools, plant rooms, wine cellars and storage.

Garden Beneath: Under Garden Basement Construction

With this open excavation option, our basement contractors near me in London can construct below your garden, or if you want basement building under your house but that does not fulfil your need for space, your basement building can be extended beyond the boundaries of your house by an open excavation.

Basement Company London

Designing and Building Basements with Skill

At BNS, we offer basement construction London that includes basement design and basement building services covering every aspect of your basement conversion. From the early initial scheme designs stage, our basement contractors London will discuss your basement planning application and what you want to achieve, keeping you in the loop at every stage of the basement building London project.

Our basement construction work in London includes a survey and detailed discussions about your proposed basement design, including the intended use of your new basement. When we have optimized the potential space, we will get our basement contractors on site to start your basement construction London.

London's Basement Construction Trio

When it comes to basement construction near me in London, a builder, architect, or property inspector is the person who can advise and inform you about the home you’re planning to build or purchase, but understanding basement construction types is important.  

Solid Foundations: Poured Concrete Basements

Basement builders often use this method, as poured concrete basements are probably the most common type of construction, sturdy and simple. Poured concrete basement construction near me in London starts with the pouring of a footing for the foundation.

Building Blocks: Concrete Block Basement Construction

With basement construction London this is the least expensive option as it uses concrete blocks or masonry. Basement builders London placed use cinder blocks to make walls, which can be constructed in less time than it takes to create a poured concrete wall. 

Crafted Precision: Precast Panels Basement Construction

Precast panels are used by our basement builders London to save money and time, often in newer residential structures that can utilize precast foundation walls. Panels are fabricated elsewhere before being transported to the building site for installation.

Basement Construction London Benefits

Room to Flourish

If you're a homeowner with a fast growing family, or you just want more living space, a basement construction build could be your solution. Basement building homeowners often have large basements which run along the whole length and width of their property.

Value-added Homes

An added advantage for basement construction near me in London town, is it will increase the value of your property substantially.

Creative Canvas Below

Following the basement renovation, you will have many options for the large space that is created. It could be used for a large bedroom with an en suite, a recreation room for your children, or for the whole family to enjoy, a home cinema, personal gym or an office and working space. The choices are endless.

Is Basement Waterproofing Worth It?

Because of their position under the house, basements can be prone to problematic flooding and water damage. If you are planning on a basement remodel, incorporating weatherproofing is a good decision. You can be confident that when your basement is finished, you won’t need to worry about expensive future bills or water affecting the foundations of your house. Waterproofing your basement adds more value to your home and is an important feature for future buyers. There are many benefits if you waterproof your basement and no disadvantages. Contact your basement construction London company, for more information.


Basement Construction Experts at Your Service


Collaborative Consultation: Basement Builders Near Me in London

At BNS, before we begin construction, we arrange a consultation to discuss what you want from your basement construction London project and finalise a quote before we begin.


Design Excellence: Basement Company Creations

We work with architects, designers and engineers to provide a design that meets all your requirements, our basement builders London will use your design to carry out their work.


Safety First: Basement Company’s Commitment

As a reputable basement construction company, health and safety is a priority for us in every project. We work closely with accredited health and safety managers.


Digging Deep: Expert Excavation by Basement Builders

All of our basement contractors London have valuable experience and are skilled. During excavation they are mindful of the surrounding properties’ security. Their quality work and our competitive prices will keep you satisfied.


Custom Tailoring: Fit-Outs in Basement Construction

After construction and water-proofing, your basement is complete and transformed, ready for you to put the final finishing touches. We guarantee you’ll be satisfied.

We Will Create Your Dream Home