Extension builders in Rainham

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 4.3 (16 reviews)

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Some of our top rated extension builders in Rainham

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PFR Builders Limited
Rating: 5 out of 5
Extension Builder in Rainham
Over 30 years experience in the building industry. We are a general builders but specialised in carpentry, roofing, kitchens, extensions, loft conversions. We have customer service and received recommendations from our customers. We believe in attention detail and realise that we will be working in YOUR home, keeping you informed throughout the whole process. No hidden extras, genuine honest quotations using the latest technology and current prices. We pride ourselves and our high standards.
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Latest review:
We are renovating our house. Pete has knocked walls down, built new internal walls, hung doors, laid a wood floor, put down new skirting boards and best of all built and created my lovely new kitchen and utility room. I cannot fault his workmanship it is of an excellent and very high standard. He is very efficient and always turns up when he says he will be there. Pete is also extremely good at giving you ideas on how to resolve issues that arise. I would highly recommend him.
Brentwood Loft Makers Ltd
No reviews yet
Extension Builder in Rainham
At Brentwood Loft Makers your total satisfaction is our ultimate goal. We are a professional, reliable and friendly company simply built up on word of mouth recommendations from satisfied customers. We have a team of highly experienced tradesman with over 15 years experience.
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KC Carpentry and Building Services Ltd
No reviews yet
Extension Builder in Rainham
KC Carpentry and Building Services Ltd is a Essex-based carpentry and building company providing high-quality workmanship with a friendly, reliable approach. Founded by Kane Cavener, a 30-year-old carpenter and father of two, the company combines strong traditional craft skills with modern professionalism. We specialise in carpentry, renovations, extensions, and general building work, always focusing on clear communication, attention to detail, and building long-lasting relationships with our clients.
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Burwood Building Services
Rating: 4.4 out of 5
Extension Builder in Rainham
Burwood Building Services is committed to delivering exceptional workmanship with pride in every project we undertake. We maintain the highest standards while offering competitive pricing across a comprehensive range of building services, including full renovations, kitchen and bathroom installations, flooring, plastering, and painting & decorating. Our team includes fully qualified plumbers, electricians, and gas fitters to ensure a seamless, professional finish. We prioritize cleanliness and protection throughout each job. Contact us today for a free quote, and visit our website for more information
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Latest review:
Restoration & Refurbishment- 23 Jul 2026
We had a great experience with Burwood Building Services and would highly recommend them. They are very knowledgeable and experienced, managed the project efficiently from start to finish, and kept us well informed throughout. Any issues that arose were resolved quickly and professionally, keeping the project on track. The quality of the work was excellent, and we are very pleased with the final result.
FLYNN properties
Rating: 5 out of 5
Extension Builder in Rainham
With over 10 years experience and always producing high quality finishes. From kitchens, bathroom to extensions and always with a good positive happy attitude. let us work with you to design and achieve exactly what you’re looking for.
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Latest review:
Tiling- 7 Aug 2023
Paul was great. Easy regular comms. Arrived early on the day and fit me in as best he could. Straight to it, great work, very professional and sorted out some other problems as they were discovered. Talked me through options and did what was asked to a very high finish. Would highly recommend and use again.
King's build
No reviews yet
Extension Builder in Rainham
We’re a local building maintenance and cleaning company committed to delivering reliable, high-quality workmanship at fair prices. As a growing local business, we’ve built our reputation through word of mouth, attention to detail, and customer satisfaction. Whether it’s property maintenance, repairs, decorating, or professional cleaning, we take pride in treating every property with care and respect. We believe in honest communication, punctual service, and completing every job to a high standard. No job is too big or too small we’re here to provide dependable, professional service that you can trust.
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JC Group Property Sevices LTD
Rating: 5 out of 5
Extension Builder in Rainham
JC Group Ltd is a reliable and experienced building company offering bathroom installations, plumbing, home extensions, and general building works. With over 30 years of combined industry experience, we take pride in delivering high-quality workmanship, clear communication, and projects completed on time and within budget. We are committed to customer satisfaction and maintaining the highest standards on every job, no matter the size.
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Latest review:
We’re absolutely delighted with the extension and the overall experience from start to finish. The workmanship is to a very high standard, and everything was completed professionally and on schedule. Communication throughout the project was excellent, and we were kept informed at every stage. The team were reliable, tidy, and respectful of our home, and the finished extension has exceeded our expectations. We wouldn’t hesitate to recommend them to anyone looking for quality work and a stress-free build.
Sterling maintenance solutions ltd
No reviews yet
Extension Builder in Rainham
Sterling Maintenance Solutions Ltd is a newly established, family run maintenance provider with a wealth of experience in the building trade. We strive for the highest standard of work at reasonable prices. Whether it’s an extension to a small handyman job, we can do it all. We are a one stop shop for your every need.
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M Stanley Solutions
No reviews yet
Extension Builder in Rainham
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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Sb landscapes
Rating: 5 out of 5
Extension Builder in Rainham
Sb landscapes & groundworks LTD are a small friendly run business that pride ourselves with our very high standard of work offering a free no obligation quote. All works completed is fully guaranteed and covered by public liability insurance. Sb landscapes also offers waste disposal to and fully licensed to do so.
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Latest review:
Landscaping- 25 Oct 2026
Simplicity at its finest, communication and classy when it comes to payment - no mucking around with hidden costs. They genuinely care about your feedback and listen to instructions and don’t deviate, but would consult if needed using their knowledge and experience. Will be using them for other projects without a doubt, no hesitation.
DARS
No reviews yet
Extension Builder in Rainham
DARS We are a friendly professional and local company dealing with the smallest project such as building maintenance to major renovations.We pride ourselves on our quality of workmanship, tidyness and exceptional customer relations to ensure every job exceeds expectations.We cover all areas in with in London and beyond.We work closely with the best suppliers which brings you, the customer, not only the best quality but great prices too and we provide a variety of options for every job.
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Saboor
New on MyBuilder
Extension Builder in Rainham
We are brothers in construction. We undertake jobs from house extension, lofts to gardening, sheds and just simple stud walls plastering. we specialise in all types construction work. What makes us unique is the fact that we are cheap, quick and efficient and all jobs are done to customer satisfaction.
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LBT ENGINEERING LTD
No reviews yet
Extension Builder in Rainham
Comprehensive, practical and cost-effective engineering solutions.
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ANACOND LTD
Rating: 5 out of 5
Extension Builder in Rainham
Throughout the years in construction my father has gathered well balanced team with broad range of experience in every aspect of the job. After acquiring my engineering degree and some experience elsewhere, I re-joined my father once again to provide the service we are both proud of. Our background and experience in construction, design and engineering allows us to provide our clients with high quality service and ensure smooth work-flow of each project. Attention to detail is the key!
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Latest review:
Ground floor rear extension and Loft conversion. First and Second fix works including drainage, structural (block work, wood work and steel work) electrical, plumbing, plastering and tiling. All works completed to a very high standard, we found Arnolda's and his team very helpful, thoughtful and pro-active nothing seemed to be too much trouble for him, we are more than happy with AnA's Construction Developments.
Plumbwise
Rating: 3.8 out of 5
Extension Builder in Rainham
I hope this message finds you well! My name is Archie, and I’m excited to offer my plumbing and property improvement services to the community. As a City & Guilds Level 1 & 2 qualified plumber in Plumbing and Heating, I’m equipped to handle a wide range of plumbing needs from routine maintenance and repairs to full installations. 🔧💧 Why Choose PlumbWise? •Professional Expertise: Fully certified and up to date with the latest plumbing techniques and safety standards. •Multi-Skilled: Alongside plumbing, I also carry out plastering, carpentry (chippy work), tiling, kitchen and bathroom fitting, painting, flooring, and demolition work — offering a complete solution for your home projects. •Customer-Focused: I prioritise clear communication, reliability, and timely service to ensure your satisfaction. •Flexible Solutions: Whether it’s a small repair or a full renovation, I’m committed to providing efficient, cost-effective results. Please feel free to reach out for a consultation, quote, or just some friendly advice on your next project. I’m here to help and look forward to working with you! Warm regards, Archie PlumbWise
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Latest review:
Plumbing- 2 Nov 2025
Unprofessional man.
E&B contractors limited
No reviews yet
Extension Builder in Rainham
E&B contractors it’s a drylining company mostly. Olso we do lofts extension . We do a good job and Quick are people are professional and have good character and communication.
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4.3

Top rated Extension Builders

Our Extension Builders in Rainham, are rated 4.3 out of 5 based on 16 reviews from customers like you.

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

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 Rainham 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 Rainham who are available and interested can respond to your post.

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

What are the hourly rates of extension builders in Rainham?

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

Find extension builders in Rainham with MyBuilder

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

Step 2: Compare different extension builders in Rainham

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

Step 3: Hire Rainham extension builders with confidence

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

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

What to ask a Rainham extension builder before hiring?

Before hiring an extension builder in Rainham or extension building company in Rainham, 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 Rainham?

An extension builder in Rainham 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 Rainham 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 Rainham?

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 Rainham 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 Rainham 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 Rainham

Can an extension builder in Rainham help with planning permission?

Yes, many extension builders in Rainham 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 Rainham handle everything from design to construction?

Many Rainham 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 Rainham help with materials and finishes?

Yes, most extension builders in Rainham 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.