Extension Builders in Lower Sydenham

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 4.2 (19 reviews)

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Some of our top rated extension builders in Lower Sydenham

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Dominant construction ltd
No reviews yet
Extension Builder in Lower Sydenham
Dominant Construction is a customer centric integrated building company specialising in home renovations, loft and basement conversions, and kitchen extensions. With over a decade of experience, we have designed our processes to ensure that our clients projects run smoothly - always on-time and always on-budget. We keep clear lines of communication at all times to make sure projects are collaborative and executed with our client's needs at the forefront.
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S.F Building & Landscapes
No reviews yet
Extension Builder in Lower Sydenham
Hello. I am Stuart of S.F Building & Landscapes. I have over ten years experience in all apspects of building, construction and landscaping services. I undertake nearly all aspects of the building trade. I believe in customer satisfaction a clean tidy job and take a lot of pride of the finish to every single one of my jobs.
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Avalon London Projects
New on MyBuilder
Extension Builder in Lower Sydenham
Our Experience: At Avalon, our team brings over three decades of expertise in construction and interior design. We’ve successfully delivered a wide array of projects, from comprehensive home renovations to tailored interior design solutions. Our portfolio reflects diverse styles and spaces, underscoring our commitment to quality and meticulous attention to detail. Where We Work: Based in London, we serve clients throughout the city and surrounding regions. Our team is adaptable and prepared to travel to bring your vision to fruition, ensuring convenience and accessibility for all our clients. Our Special Skills: • Comprehensive Trade Expertise: Our seasoned professionals are adept in various trades, including painting, decorating, joinery, plumbing, and electrical work, ensuring seamless project execution• Interior Design Proficiency: Our skilled interior designers collaborate closely with you to create spaces that are both visually appealing and practical. • Efficient Project Management: We recognize the significance of adhering to timelines and strive to complete projects promptly without compromising on quality
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CONSTRUCT GROUP DESIGN & BUILD LTD
No reviews yet
Extension Builder in Lower Sydenham
Construct Group | Design & Build We deliver premium extensions, loft conversions, refurbishments, and bespoke self-builds managing every stage under one roof for a seamless experience and nationwide reach Our process: Free consultation → Survey → Design → Planning → Building Regulations → Construction We handle everything from concept to completion, ensuring compliance, clarity on costs, and exceptional finish quality across every project. 📞 Book your free consultation today to discuss your plans and get clear next steps toward building approval.
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Harmony House
Rating: 4.8 out of 5
Extension Builder in Lower Sydenham
Why choose us? 1. We bring your concept to life 2. A friendly, professional and reliable service 3. Ensure the journey is an enjoyable one 4. Acting responsibly and transparently. 5. You’ll be delighted with the result!
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Latest review:
Extensions- 28 Feb 2026
Poor workmanship , messy guys , roof leaking , walls not done properly , overall not good workmanship as have to redo many aspects of the kitchen extension I have to now replace the kitchen roof which was of poor quality , never employ Peter or Mariusz
McBurnie Construction Ltd
Rating: 5 out of 5
Extension Builder in Lower Sydenham
At McBurnie Construction, we specialise in high-quality brickwork, lime work, restorations, and groundwork across London and Bedfordshire. With over 20 years of industry experience and more than 1,000 successfully completed projects, we bring a wealth of knowledge and craftsmanship to every job. Our team is dedicated to delivering exceptional workmanship, whether working on modern developments or sensitive heritage restorations. We take pride in our attention to detail and our understanding of both traditional and contemporary building techniques. From initial estimating and detailed quotations to material advice and final delivery, we ensure a smooth and professional service throughout. Our expertise includes heritage brickwork, specialist pointing, and the use of lime mortars, ensuring that older properties retain their character and integrity while meeting modern standards. We work with a wide range of clients, including homeowners, estate agents, and property developers, and have built a strong reputation based on reliability, clear communication, and fair pricing. Our services include: Brickwork & Blockwork Restorations & Heritage Work Lime Work & Specialist Pointing New Builds Renovations Extensions Basement Reconstructions Groundworks No matter the size or complexity of the project, we are committed to delivering results that meet and exceed expectations.
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Latest review:
Bricklaying- 17 Mar 2024
Not sure if we could have been happier. McBurnie Construction LTD have been efficient, absolutely professional and literally went above and beyond what was expected,. We will definitely be using their services in the future. Awesome job Leron & Georgia! RJ & PG
ritz builders uk ltd
Rating: 5 out of 5
Extension Builder in Lower Sydenham
Ritz Builders UK Ltd can take care of any property renovation or house extension, from complex double basement developments to a new builds. Our builders have worked on various type of properties across UK, giving them a new light and converting them into modern and contemporary living spaces. Our professional construction team, who come supported by a dedicated workforce, are well regarded by commercial and residential property developers.
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Latest review:
The builder was reliable and dependable. Work was neat and to taste .
Karan construction
Rating: 5 out of 5
Extension Builder in Lower Sydenham
All construction work undertaken contact for any interior or exterior work
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Latest review:
Hard Flooring- 21 Aug 2025
Karan is absolutely brilliant,so polite,he laid my new laminated floor and done an amazing job I would highly recommend
C Patching Services
No reviews yet
Extension Builder in Lower Sydenham
A company providing construction services ranging from small maintenance works right through to refurbishment and new builds.
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Dochita Iosif
No reviews yet
Extension Builder in Lower Sydenham
Over 20 years in construction. We are a small and hard working team. We have done many jobs successfully and people like the way we work. If you don't want to have headache and to be safe with the work you have, then we are the right team!
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Amazing constructions limited
Rating: 5 out of 5
Extension Builder in Lower Sydenham
we are specialised-Loft conversion, Extension, Brick work, Plumbing, Electric, Roofing, Bathroom, Tiling, kitchen, Flooring, Paint, and have experience of 15 years.
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Latest review:
Extensions- 10 May 2021
Very Professional and diligent service, even though was hard to get materials because the job was done at the peak of the pandemic, still they managed to sort things out. The job was so nicely done that all the tenant who viewed the house wanted to rent it. I have even given them another job would certainly recommend.
Inspired Creations London Ltd
Rating: 5 out of 5
Extension Builder in Lower Sydenham
We undertake residential and general construction projects including extensions, loft conversions and renovations. We also manufacture and install bespoke kitchens, bedroom and all kinds of fitted furniture.
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Latest review:
Extensions- 8 Dec 2021
Sukh and his team are tidy, experienced and skilled. The standard of work throughout the house is excellent. Will be keeping their contact details for any future projects. Would definitely recommend.
Ecoability
No reviews yet
Extension Builder in Lower Sydenham
We are a fully qualified and insured contractors with over 25 years experience in plumbing, heating, gas and electrical services.
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BCG Carpentry
Rating: 5 out of 5
Extension Builder in Lower Sydenham
I am a fully qulilafied NVQ level 3 carpenter, i offer a wide range of services mainly carpentry from pitching roofs, joisting, kitchens, skirting and hanging doors. Also new builds, refurbs and extensions. I've been in the trade for more than 10 years so have quite a range of experience.
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Latest review:
Carpentry- 9 May 2019
Ben did a very professional job hanging four internal doors. He arrived at the time we agreed and cleaned up thoroughly. I will definitely ask him back to do other work and would certainly recommend him.
M Stanley Solutions
No reviews yet
Extension Builder in Lower Sydenham
With over a decade of experience, I bring precision and expertise to every job. From redecorating your home and refurbishing your office to revamping your garden, no task is too big or too small. Exceptional customer service is at the heart of my work—if you’re not happy, I’m not satisfied.
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RSN Construction
No reviews yet
Extension Builder in Lower Sydenham
We have over 10 years experience in the domestic construction and refurbishment. Bathroom and kitchen installation. Plumbing and electrical , tiling , painting, floor installation,painting and wallpapering
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4.2

Top rated Extension Builders

Our Extension Builders in Lower Sydenham, are rated 4.2 out of 5 based on 19 reviews from customers like you.

Quality screening

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What types of services are offered by local extension builders in Lower Sydenham?

Building an extension is a major milestone for any home. It’s not just about adding extra space, it’s a big step that can transform how you live day to day, opening up new possibilities for comfort, lifestyle, and family needs.

This is why it’s so important to find the right extension builders in Lower Sydenham for you. They can help with a variety of tasks and projects, including:

Extending your home with an extra room
Two+ storey extensions
Adding partition walls to create more rooms
Building annexes or external structures

To find the right extension builder near you, simply post your job on MyBuilder. Explain the type of help you’re looking for, and then home extension builders in Lower Sydenham who are available and interested can respond to your post.

Browse profiles, read customer reviews and get quotes from your chosen Lower Sydenham extension builders, all before you decide who to hire.

What are the hourly rates of extension builders in Lower Sydenham?

Before getting started with your extension project, it’s important to have a clear budget in place. On average, extension builders in Lower Sydenham will charge between £16 and £42 per hour.

Single-storey rear extensions cost between £20,000 and £60,000 depending on size and finish.
The cost of double-storey extensions, which add more space and value, can range from £100,000 to over £170,000.
Larger wrap-around extensions that combine multiple extension types can range from £40,000 to over £120,000.

The cost of an extension will vary depending on your property. For instance, extending in certain areas may require structural adjustments to ensure stability, which can increase your material and labour costs.

To get an accurate price for your home extension, request detailed quotes from several Lower Sydenham extension builders near you on MyBuilder. This allows you to compare what each quote covers and how much your Lower Sydenham home extension project is likely to cost.

Find extension builders in Lower Sydenham with MyBuilder

Hiring the right extension builder in Lower Sydenham with MyBuilder couldn’t be easier. Just follow these simple steps:

Step 1: Post your extension project on MyBuilder

Whether you’re planning a single-storey extension, a loft conversion, or adding a new room, post your job on MyBuilder to find local Lower Sydenham extension builders. Once your job is live, we’ll share it with home extension builders in Lower Sydenham who can express their interest.

Step 2: Compare different extension builders in Lower Sydenham

When you start receiving interest, review profiles of local Lower Sydenham extension builders, check their previous work, and read real customer reviews. Ask about timelines, materials, and request detailed quotes.

Step 3: Hire Lower Sydenham extension builders with confidence

After gathering all the information and quotes from your chosen home extension builders in Lower Sydenham, compare their experience, guarantees, and costs before choosing who to hire.

You’ll also have confidence knowing that every tradesperson on MyBuilder is verified through several checks, including:

ID verification: When a tradesperson joins MyBuilder, we ask for a valid ID, such as a passport, ID card, or eIDAS certificate.
Company verification: For tradespeople operating under a company, we make sure every tradesperson has a registered business.

Did you know? Our continuous monitoring and complaints process ensures that tradespeople who don’t meet our standards are promptly removed from MyBuilder’s platform.

Lower Sydenham extension builders are ready to help. Use MyBuilder today to find the right professional for your home extension.

What to ask a Lower Sydenham extension builder before hiring?

Before hiring an extension builder in Lower Sydenham or extension building company in Lower Sydenham, ask a few key questions to make sure you’re choosing the right professional for your home extension project.

What qualifications and experience do you have as an extension builder in Lower Sydenham?

An extension builder in Lower Sydenham should have a strong track record with similar projects and relevant building qualifications or trade memberships, such as the Federation of Master Builders (FMB) or TrustMark.

Will my home extension meet all building regulations and planning requirements?

Your Lower Sydenham extension builder should ensure the project complies with Building Regulations and, where necessary, handle or assist with planning permissions. Ask how they manage building control inspections and what documentation you’ll receive once the project is complete.

What experience do you have with similar extensions in Lower Sydenham?

Ask to see examples of their previous work, or view examples of their work on MyBuilder. Ideally projects similar to yours in scale and design. This helps you assess the Lower Sydenham extension builder’s ability to deliver a result that meets your expectations.

How long will the extension take to complete?

Extension project timelines can vary depending on size, complexity, and weather. A typical single-storey extension might take around 8 - 12 weeks. Request a detailed schedule so you know what to expect and when key milestones will be reached.

Do you offer a guarantee for your work? Most Lower Sydenham extension builders offer a guarantee or warranty on their work, often between 1 and 10 years depending on the project and materials used. This gives you assurance that any issues will be resolved after completion.

If you still have questions about the professional you are looking to hire, we have a full detailed guide on hiring the right builder here.

FAQ: Common questions about home extensions in Lower Sydenham

Can an extension builder in Lower Sydenham help with planning permission?

Yes, many extension builders in Lower Sydenham can guide you through the planning process. They can help prepare drawings, advise on local requirements, and liaise with your local council to ensure your project meets all necessary regulations.

Can an extension builder in Lower Sydenham handle everything from design to construction?

Many Lower Sydenham extension builders offer full design-and-build services, managing both the architectural planning and construction stages. Ask your builder whether they can provide a complete package or if you’ll need to hire an architect or designer separately.

Will an extension builder in Lower Sydenham help with materials and finishes?

Yes, most extension builders in Lower Sydenham can source materials and offer advice on finishes that suit your design and budget. You can also choose to supply certain materials yourself, just make sure this is agreed upon before work starts.