Underpinning A House

BNS Groundword Contractors

Underpinning A House

The process of underpinning a house refers to adding to the foundations of a building in order to strengthen them. This is typically done if the original, existing foundation is inadequate and unable to support the building. This is a common problem in older buildings.

Underpinning is also needed when subsidence is involved, movement of the ground results in weakened foundations or waterlogged soil. The ground can also become waterlogged for other reasons, such as damaged drains. A further cause of weakened foundations is the presence of excavations such as old mines under the building. If you are in need of underpinning services, our groundworks team is fully trained. Their skills and experience will deliver a quality solution to meet all your underpinning needs.

BNS Groundwork London

5.0

Based on 21 reviews

review us on

yoganand 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 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 Lauder

12:19 02 Feb 24

Highly recommended. This company has excellent knowledge and efficiently carried out ground works.

Ryu

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 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 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 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 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 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 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 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 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 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 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 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 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!

Bobbi

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 Manning

22:29 18 Sep 23

The basement built by this company is absolutely fantastic! I highly recommend their services.

Malakey 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 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 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 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 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 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 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 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 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 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 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 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 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 Morris

18:15 24 Jan 23

Arkadiusz

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 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 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.

Defending Against Moisture: The Barrier Waterproofing System

Before any underpinning is carried out a qualified structural engineer will assess your home. The engineer will investigate your house's movement and the consequential damage. They will be able to tell you the cause of the movement. In addition to the engineer's assessment, a soil assessment will also need to be performed to assess how firm the soil is and how deep the underpins need to go. The soil test assesses up to 8m deep. The conclusion of the soil report will give information about the best location and position of the underpins that will be used to stabilise your home.

Strength in Protection: The Structurally Integral Waterproofing System

Before our team begins any physical labour we will provide you with a quote that is fully detailed regarding costs and services. We make sure you know exactly where your money is going and that there are no unexpected or hidden extras. Underpinning begins with the excavation of the soil around your foundation, this makes space, where concrete underpins can be placed. Formwork is installed and steel wires are set to be used as reinforcement. The formwork acts like a mould so that the poured concrete matches the exact shape, and size and is in the exact location.

Channeling Excellence: The Drained Waterproof System

When it's time for the pins to be inserted they are driven deep into the soil until they are anchored or into drill holes. The first step is the construction of concrete underpins. We will arrange for a structural engineer to be present to ensure that the underpin footings have been placed at the correct depth. Following this, the soil that was originally excavated is backfilled and compacted. Your foundations are now reinforced, stabilized and secure. Our contractors will now perform any pre-arranging repairs such as fixing cracks.