Extension Builders in Erith, Greater London

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 3.9 (19 reviews)

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Some of our top rated extension builders in Erith, Greater London

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Silvertree Projects
No reviews yet
Extension Builder in Erith, Greater London
I am a specialist brickwork contractor and general building contractor I have 20 years experience in the industry. We carry out all types of work from residential to commercial. Garden walls, Extensions,New builds and Renovations. I also have references that can be provided on request.
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P&T building limited
No reviews yet
Extension Builder in Erith, Greater London
We offer build extension, loft conversion. We always complete work to the best of our ability, we always try to give the best customer service to all of our customers and the workers are both friendly as well as professional. We strive to complete work on time and speak to the customer to ensure they know what's going on and its up to their wants and needs.
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Kalinicz build and designe
No reviews yet
Extension Builder in Erith, Greater London
Hi my name is Arek I m professional carpenter I have done many wardrobes,kitchens,floors,doors and also lots of roof works loft conversions and many more 20 years experience and all professional tools always on time and always finish the job properly
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Rabbit General Works
No reviews yet
Extension Builder in Erith, Greater London
Here at RGW we pride our selves for you the customer. All jobs are undertaken to the highest of standards a standard that we as tradesmen would be happy to have in our own family homes. Not only do we offer the highest of standards but we also offer the most competitive of prices. From full refurbishments,bathrooms,kitchen full garden landscapes and driveways, here really is no job to big or small. Covering all of London and the southeast for the last 10 years we have built up a large portfolio of satisfied customers who never hesitate to get in contact for their las test of projects.
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RSP SPIRE LTD
No reviews yet
Extension Builder in Erith, Greater London
IT is a full service building company specialising in home renovations, home extensions, full maintenance and building alterations across the London. If your goal is to add value to your most important asset, get in touch and let us know what you are wishing to achieve, or read more about our wide range of home improvement services, before getting a no obligation estimate.
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LM Maintenance
No reviews yet
Extension Builder in Erith, Greater London
I am a handy man, I professionalise in painting, carpeting , flooring, removing and installing, maintaining.
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FRD CONSTRUCTION LIMITED
No reviews yet
Extension Builder in Erith, Greater London
FRD.CONSTRUCTION LIMITED.w Kitchen Installations Bathroom Installations Carpentry & Joinery Tiling Flooring Underlining & Partition Walls up an enviable reputation over the last 10 years. We pride ourselves on our commitment to provide a professional and speedy service at all times, whilst maintaining the highest quality of work. Ring now for a free quo
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Brati Construction Ltd
No reviews yet
Extension Builder in Erith, Greater London
At Brati Construction we have over 15 years of experience working on a wide range of refurbishment projects. o.2.o3.3.7.0.1.3.3.3. We work across London on contracts of varying sizes. Please contact us to discuss any project you would like us to look at.
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Fox Conversions limited
Rating: 5 out of 5
Extension Builder in Erith, Greater London
Fox Conversions is a small family run company based in Essex, we also cover London & Kent. Offering loft conversions, garage conversions & extensions, offering a service from planning to completion. Offering a personal bespoke touch, as a small company Fox Conversions has been converting lofts, garages and caring out extensions for the past ten years. Do not settle on builders anonymous for your needs. Trust a small, family run business that has specialists to carry out the tasks at hand.
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Latest review:
Highly recommend this company very good builders, knew what they was doing and had a high quality of work The job was finished on time and and for the original price agreed Thank you for your work
SAM DESIGN & BUILD LTD
Rating: 4.4 out of 5
Extension Builder in Erith, Greater London
Having a wide range of experiences in designing and constructing extensions, loft conversions, alterations and new buildings with planning, structural drawings and calculation, we provide full range of service from planning and design to construction. Electrical, gas safe, plumbing and heating are also part of our wide range of services. Load bearing wall removal, chimney breasts removal, refurbishing kitchen and bathroom were also one of the most accomplished projects in last year. Look forward to hear from you.
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Latest review:
Extensions- 3 Oct 2025
Job was to convert WC in outbuilding into a full bathroom, do walls and ceiling in outbuilding to convert into an office space. Price was agreed with things planned, still with some issues towards later part of job, It worked out in the end. Overall I am giving 3-4 stars as quality of work is good. Just need to have things written down with him, and a thorough discussion on plan before commencing work and agree on payment plan. suggested to keep 20% to be paid at completion.
Square Build Ltd
Rating: 5 out of 5
Extension Builder in Erith, Greater London
We're general building contractors, working on anything from everyday household projects which include general household repairs, painting and decorating, bathroom/kitchen renovations, property extensions and garden work projects. Although we are new to My Builder, we’ve had nearly 20 years experience completing many successful projects. We’re an established registered company which has been trading for several years.
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Latest review:
Waste Clearance- 28 Jun 2019
Fine. Arrived promptly as requested.
RMT design and build ltd
No reviews yet
Extension Builder in Erith, Greater London
RMT design and build ltd is fast growing construction company who undertake design build and maintenance. The company has been own by construction professional who has 20 year experience in construction and team of Structural Engineers.
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Mailm limited
No reviews yet
Extension Builder in Erith, Greater London
We provide complete building solutions on both Residential and Commercial sites and smaller domestic builds. Our valuable experience is shown in all aspects of our work.
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Ambee construction
No reviews yet
Extension Builder in Erith, Greater London
Since our opening, we have become masters of our craft. Our commitment to quality construction, exceptional services and incomparable customer care, keeps our community coming back again.
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Healwell
No reviews yet
Extension Builder in Erith, Greater London
We deliver exceptional quality of work throughout the UK 🇬🇧. Our services are competitively priced, ensuring you receive excellent value without compromising on quality. We pride ourselves on our swift turnaround times, allowing you to enjoy our services without unnecessary delays. With a track record of satisfied customers and no negative reviews, you can confidently choose us to experience the high standard of craftsmanship we provide. Let us show you the remarkable results that set us apart in the industry!
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Shalva Simonishvili
New on MyBuilder
Extension Builder in Erith, Greater London
I have over 10 years of experience in the construction industry, having completed a wide range of projects, from residential homes to commercial buildings. I am based in the Canada Water area and am available to work across London and surrounding areas. I specialise in bricklaying, blockwork, and delivering high-quality finishes. I take pride in my attention to detail, reliability, and honest communication. I am committed to delivering high-quality workmanship, completing every job on time, and ensuring my customers are satisfied with the final result.
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3.9

Top rated Extension Builders

Our Extension Builders in Erith, Greater London, are rated 3.9 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 Erith, Greater London?

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 Erith, Greater London 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 Erith, Greater London who are available and interested can respond to your post.

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

What are the hourly rates of extension builders in Erith, Greater London?

Before getting started with your extension project, it’s important to have a clear budget in place. On average, extension builders in Erith, Greater London 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 Erith, Greater London extension builders near you on MyBuilder. This allows you to compare what each quote covers and how much your Erith, Greater London home extension project is likely to cost.

Find extension builders in Erith, Greater London with MyBuilder

Hiring the right extension builder in Erith, Greater London 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 Erith, Greater London extension builders. Once your job is live, we’ll share it with home extension builders in Erith, Greater London who can express their interest.

Step 2: Compare different extension builders in Erith, Greater London

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

Step 3: Hire Erith, Greater London extension builders with confidence

After gathering all the information and quotes from your chosen home extension builders in Erith, Greater London, 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.

Erith, Greater London extension builders are ready to help. Use MyBuilder today to find the right professional for your home extension.

What to ask a Erith, Greater London extension builder before hiring?

Before hiring an extension builder in Erith, Greater London or extension building company in Erith, Greater London, 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 Erith, Greater London?

An extension builder in Erith, Greater London 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 Erith, Greater London 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 Erith, Greater London?

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 Erith, Greater London 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 Erith, Greater London 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 Erith, Greater London

Can an extension builder in Erith, Greater London help with planning permission?

Yes, many extension builders in Erith, Greater London 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 Erith, Greater London handle everything from design to construction?

Many Erith, Greater London 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 Erith, Greater London help with materials and finishes?

Yes, most extension builders in Erith, Greater London 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.