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Welcome to the BLM Group

Design | Create | Build

Providing contemporary design and build construction solutions to residential homes and spaces across the Greater London and Surrey areas.

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Free Estimate
Welcome to the BLM Group

Free Estimate | Consultation

Turn your vision into reality. Book your free, no-obligation project consultation with BLM London Group today.

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Free Estimate

About the

BLM London Group
We deliver refined, design-focused construction and renovation services across London. From bespoke extensions and loft conversions to full refurbishments and architectural builds, we transform homes with precision, craftsmanship, and attention to detail. Our integrated approach combines design, planning, and construction under one trusted team, ensuring clear communication and a seamless experience from concept to completion. With over a decade of experience serving London homeowners, we're proud to create exceptional living spaces tailored to modern lifestyles.
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1
years experience
2+
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what we offer

Explore Our Services

Our services cover the Greater London area and focus in the following councils: Croydon, Bromley, Camden, Greenwich, Hackney, Hammersmith & Fulham, Islington, Kensington & Chelsea, Lambeth, Lewisham, Southwark, Wandsworth, Westminster, Kingston upon Thames, and Richmond.​
Design & Build

Creating beautifully designed spaces that are functional, sustainable, and built to last

Project Management

Expert oversight ensuring your project stays on time, on budget, and stress-free

Architectural Services

Expert design and planning guidance. From concept to approval

Interior Design

Creating stunning and functional interior spaces tailored to meet your unique needs

Loft Conversions

Transform unused attic space into stunning living areas

Home Extensions

Gain extra living space without the need to move house

Flat Conversions

Transform your flat into a stylish, functional living space tailored to modern London life

Kitchen Extensions

We design and craft beautiful extensions that blend style with functionality

Design & Build

Creating beautifully designed spaces that are functional, sustainable, and built to last

Project Management

Expert oversight ensuring your project stays on time, on budget, and stress-free

Architectural Services

Expert design and planning guidance. From concept to approval

Interior Design

Creating stunning and functional interior spaces tailored to meet your unique needs

Loft Conversions

Transform unused attic space into stunning living areas

Home Extensions

Gain extra living space without the need to move house

Flat Conversions

Transform your flat into a stylish, functional living space tailored to modern London life

Kitchen Extensions

We design and craft beautiful extensions that blend style with functionality

Start Your Project
With Us Today

Our process unites design expertise, engineering precision, and transparent communication. From first sketches to final delivery, every stage is defined by collaboration, detail, and quality. We don’t just build structures, we shape lasting homes that reflect how you live.
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Our Latest Projects

Norwood, SE21 A

East Sheen, SW14 C

East Sheen, SW14 A

East Sheen, SW14 B

Twickenham, TW1 A

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    What Our Clients Say

    We used BLM Group for our dormer loft conversion. Bledar and the team were polite, professional, and friendly. Communication was excellent. They arrived on time daily, were efficient, diligent, and hard‑working whatever the weather. We are extremely pleased with the result.

    Michael, Lambeth

    Our neighbours commented on how tidy they were. We felt fully informed throughout. Practical solutions were provided for any small issues quickly. The loft conversion was completed ahead of schedule to an exceptionally high standard. We would not hesitate to recommend Bledar.

    Leila & Scott, Chelsea

    Finding a reliable, affordable builder can be challenging, but BLM Construction was fantastic. The team arrived on time, worked tirelessly, and cleaned up thoroughly. The work was excellent, with Bledar sharing his knowledge while meeting exacting requirements.

    A Holmes, East Sheen

    We chose Bledar and his team for our extensive house renovation. From day one, their professionalism and friendly manner impressed us. Communication was excellent with a dedicated project manager and weekly site meetings. Work continued uninterrupted regardless of weather. 

    Alison & Philippe, East Sheen

    BLM Group delivered a side and rear extension with full refurbishment. Communication was exceptional throughout. Any small issues were resolved quickly and efficiently. Bledar’s practical advice was invaluable. Five years later, he remains available for help and advice. Definately recommending BLM!

    Lyndon & Nora, Twickenham

    BLM Group has the most hard‑working, polite, diligent, and methodical team. Their excellent Site Manager is fabulous and keeps everything running smoothly. They produced a high‑quality extension to a very high specification. A great, reliable, and trustworthy team from start to finish.

    Jo, Kingston Upon Thames

    Bledar and his team built our loft extension. We were very happy with the final result. Great communication, friendly guys. They kept us informed throughout and delivered a high‑quality finish. We would highly recommend them to anyone considering similar work.

    Oliver, Clapham

    Bledar is extremely professional, diligent, courteous, and a real problem solver. His communication was exemplary, always keeping us fully informed throughout the project. He firmly stuck to budget and schedule. We have complete confidence and no hesitation in recommending BLM.

    Allan & Wahida, Sydenham

    No radios. No endless cups of tea. Just a high‑grade finish and careful inspection before sign‑off. My family has used BLM on several occasions over the years. You get exactly what you pay for. I would certainly recommend their professional, focused, and efficient approach.

    Charles, Barnes

    BLM took on our large extension including side, rear, and loft conversion. Their approach was professional with excellent attention to detail. They were accommodating, cost‑effective, and went above and beyond. The final product is really nice. We are happy and satisfied.

    Dr M Alkhaddour, Chessington

    Frequently Asked Questions

    We specialize in residential and commercial construction, interior design, refurbishments, loft conversions, home extensions, and kitchen & bathroom remodels. From minor renovations to full-scale builds, our team delivers high-quality, tailored solutions to meet your needs.

    Project duration depends on size and complexity. After an initial consultation and site survey, we provide a detailed timeline and keep you updated throughout, ensuring timely delivery without compromising quality.

    Far far away, behind the word mountains, far from the countries Vokalia and Consonantia, there live the blind texts. Separated they live in Bookmarksgrove right at the coast

    Yes. BLM manages the entire process, including architectural plans, structural calculations, and council submissions for approvals, helping you navigate regulations with ease.

    Absolutely. We provide a free, no-obligation quote with transparent pricing and a detailed cost breakdown before any work begins, allowing you to make informed decisions with confidence.

    Yes. BLM Construction Group holds all necessary certifications and accreditations. Our team adheres to industry standards, ensuring safety, quality, and compliance on every project.

    Latest News Insight

    • Insights

    The Importance of Mould and Damp Treatment

    The Importance of Mould and Damp Treatment Mould and damp are common property issues that affect homes of all ages and construction types. If left untreated, they can impact both structural integrity and occupant health. Addressing these problems promptly is essential to maintaining a safe, comfortable, and healthy living environment while preventing long-term damage to the building fabric. Understanding the ...
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    • Insights

    Essential Building Repairs Every Homeowner Should Know About

    Essential Building Repairs Every Homeowner Should Know About All properties experience wear and tear over time, regardless of age or construction type. Knowing which building repairs commonly arise helps homeowners address issues early, reduce damage, and maintain the safety and value of their home. Structural Cracks Hairline cracks in plaster are often cosmetic, but larger cracks in walls or brickwork …
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    • Insights

    The Benefits of GRP Roofing Systems | A Guide by BLM Group

    The Benefits of GRP Roofing Systems | A Guide by BLM Group Glass Reinforced Plastic (GRP), commonly known as fibreglass roofing, has become an increasingly popular solution for flat and low-pitched roofs. Its durability, versatility, and weather resistance make it an attractive alternative to traditional felt systems. Exceptional Durability GRP roofing systems are designed to provide a seamless, watertight finish. …
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    • Insights

    Choosing the Right Flooring for Your Home | A Guide by BLM Group

    Choosing the Right Flooring for Your Home | A Guide by BLM Group Flooring plays a crucial role in both the aesthetic and practical performance of your home. Selecting the right material requires careful consideration of lifestyle, durability, suitability for the space, and overall design. Understanding Your Space Different areas of the home demand different flooring solutions. Kitchens and bathrooms …
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    • Insights

    The Top Signs Your Property Needs a Roof Replacement

    The Top Signs Your Property Needs a Roof Replacement Your roof is one of the most important protective elements of your property. Over time, exposure to weather conditions, ageing materials, and structural movement can cause deterioration. Recognising the early signs of roof failure can prevent serious internal damage and costly repairs. Visible External Damage One of the most obvious warning …
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    • Insights

    Understanding Building Regulations and Planning Permission in the UK

    Understanding Building Regulations and Planning Permission in the UK Undertaking building work on your property involves more than simply finalising designs and starting construction. Understanding whether planning permission or building regulations approval is required is a crucial early step in ensuring your project progresses efficiently, remains compliant, and avoids unnecessary legal or financial complications. Planning Permission vs Building Regulations Planning …
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    020 3355 8631

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    info@blmgroup.london

    020 3355 8631

    info@blmgroup.london