Extension Builders in Waltham Forest

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 4.3 (23 reviews)

Easily find verified Waltham Forest Extension Builders. Just post your job to get quotes from MyBuilder's Extension Builders in Waltham Forest.

Select a service

How it works

Post your job for free

Tell us about your job, and we’ll alert suitable tradespeople in your area. It’s simple and free.

Tradespeople respond

Once your job is posted, you’ll get responses from interested tradespeople through the website.

Review profiles and choose

Browse profiles, work history, and feedback, then choose who you wish to share your details with.

Some of our top rated extension builders in Waltham Forest

3106 Results

Sort by:

Bischell Construction Limited
Rating: 4.9 out of 5
Extension Builder in Waltham Forest
Design & Build projects that squeeze more out of every pound spent. We’ll deliver an outcome for you that looks a lot more expensive than it really is. It will be tailored to your lifestyle, designed for your senses and fine-tuned to minimise lifetime costs. If you have an eye on value, or looking for maximum ROI, we’ll deliver more for less. It’s about smart design and construction, so the result gives you more performance, better quality of life and a stronger return from your budget.
Get in touch
Latest review:
Architecture- 4 Jun 2026
I recently worked with this structural calculation engineer for a project that required precise drawings, and I couldn’t be happier with the outcome. The calculations were spot-on, and the drawings were clear and detailed, making the process seamless with my builders. Not only was the quality top-notch, but the pricing was fair and transparent. Communication was excellent throughout, and they delivered on time. Highly recommended!
OWB Services
Rating: 5 out of 5
Extension Builder in Waltham Forest
11 years experience with a high recommendation, I'm a sole trader who has been in full time work thanks to the trust and happiness of employment by Pinewood Property LTD. Am now looking to take on my own work and projects. I have a good reputation and quality is guaranteed.
Get in touch
Latest review:
Plastering- 26 May 2016
Friendly and professional. Owen is easy to communicate and very polite. Did a great job at a good price. An honest tradesman, happy to recommend to anyone.
Rkay Property Services Limited
Rating: 5 out of 5
Extension Builder in Waltham Forest
Hello to all potential new customers. Rkay Property Services Ltd are a team of highly motivated and skilled tradesmen who enjoy nothing more than completing a project for a customer in the residential or commercial area. Be it larger works such as building houses, extensions, loft conversions, kitchen design and installation, bathroom installation, full refurbs and renovations or smaller works such as painting and decorating, flooring, plumbing and electrics we have the right team for the job!
Get in touch
Latest review:
Extensions- 9 Oct 2020
Ryan and his team built a kitchen extension and installed an en suite bathroom for us. Their quote was competitive compared to others and they completed the work in the original 12 week time frame promised. They were friendly and approachable throughout and happily adapted to our changing plans as the project progressed, making suggestions to help us solve problems that came up. The work has been finished for a few weeks now and we're really pleased with the quality of the finish and have had no teething issues to address. We'd happily use them again for any future projects.
Lux Development LTD
Rating: 5 out of 5
Extension Builder in Waltham Forest
With a BSC Hons Degree in Construction management and having worked for larger reputable building contractors in the UK. We will Ensure you get the highest Quality of Work at reasonable Prices. Customer Satisfaction is our First Goal of any Project we Undertake. We undertake all types of construction and building projects from Painting and Decorating, Flooring, Roofing, Plastering to More Complex Projects such as extensions.
Get in touch
Latest review:
Painting & Decorating- 12 Feb 2019
He truly showed professionalism that I had struggled as a guest house operator to get from handy people. He would go out of his way to satisfy. The finished redecorated room project was a masterpiece and took a little longer than planned because of the weather but he gave it his all! I am pleased I took a chance on him as there was no review on his profile when I hired him. I would however, pay attention to work and point out issues as they come up otherwise, you will have dirt and rubbish to content with as the workers leave all the mess after work.
Joshan builders ltd.
No reviews yet
Extension Builder in Waltham Forest
Hi, I’m jas from joshan builders. With over 15 years in the trade, I specialise in high-quality loft conversions / extensions/ new builds. I take pride in clear communication, reliable timelines, and attention to detail on every project. 📍 Where I work: tottenham, I cover surrounding areas up to 20 miles 🔧 Special skills: Structural work, bespoke carpentry, accurate quoting, and managing full renovations. ✅ Why hire me: I’m committed to getting the job done right — first time, on time. Let’s talk about your project — I’d love to help bring it to life!
Get in touch
AK Electrical Services
Rating: 5 out of 5
Extension Builder in Waltham Forest
AK Electrical services is part of Crest Construction & Interiors Ltd. We carry out full building works from foundation to the roof. We are specialised in basement and underpinning works. Our trade people are fully qualified and we work to the highest standard. We have many years experience in domestic electrical and commercial installation. We provide electrical services for all domestic/ commercial projects. We are registered in ELECSA PART P SCHEME, 17th edition. All works are guaranteed.
Get in touch
Latest review:
Fully electrify a new rear, 2 storey side, porch extension and shed. Arek was always the first one on site, worked very professionally, interacted well with the other builders and was happy to accommodate minor changes to the project. He suggested improvements to the the lighting layout and configuration were taken aboard. I highly recommend him and I'll also be using him to change my house consumer unit in the coming weeks.
REALTOP LTD
Rating: 5 out of 5
Extension Builder in Waltham Forest
Realtop Ltd is a Commercial and domestic full refurbishment services to bring your dream space alive with our large experiences professional team, including decorators, interior designer, bespoke inspiration contractors, decorator, Flooring Installer etc.white walling, composite and hygienic cladding and door installation.
Get in touch
Latest review:
Hard Flooring- 21 Jun 2025
Brilliant job done by Vincento . Right from the first visit to the job completion very professional and done the job rightly . Will definitely recommend. Five stars.
JBS Jonay Building Services Ltd
Rating: 5 out of 5
Extension Builder in Waltham Forest
Jonay Building Services LTD has been a consistent and trustworthy Construction Company in North London since 2004.We operate all over London and surrounding areas. J.B.S undertakes a great range of works for a huge variety of clients; From residential extensions, loft conversions and renovations, to commercial landscaping and shop fitting. Whatever your project we have a solution for you.
Get in touch
Latest review:
Restoration & Refurbishment- 13 Jun 2023
This company was very professional. The work was completed on time and to a high standard. The work was also, good value for money. I would recommend JBS services to anyone seeking either home or business general refurbishment and building works.
S.H builders
Rating: 5 out of 5
Extension Builder in Waltham Forest
Over 10 years of experience in delivering bricklaying, roof works, guttering, driveways, patios, carpentry, extensions for costumers. We try to work around your budget and deliver the highest quality work. No job is too small.
Get in touch
Latest review:
Tiling- 11 Mar 2022
I was extremely satisfies with the works completed, Shoaib and the team understood what I wanted and did the works on time as promised. Highly recommended
K&B LTD Limited
No reviews yet
Extension Builder in Waltham Forest
Over 10 years experience in Construction industry, For more information please message me THANK YOU.
Get in touch
SN BUILDERS LTD
No reviews yet
Extension Builder in Waltham Forest
We build projects that are not only lovely but also sustainable and built using the newest construction methods and materials.
Get in touch
Yordanov
No reviews yet
Extension Builder in Waltham Forest
I'm experienced plumber nearly 20 years ! And we have done wet rooms, tiled entrances with membranes and all kinds of rustic and contemporary bathrooms ! My knowledge and experience allow me to help with design and ideas , for spacious and low cost stylish bathrooms !
Get in touch
Om
New on MyBuilder
Extension Builder in Waltham Forest
Full House Refurbishment & Renovation Services A professional Full house refurbishment company delivering complete property upgrades with clear planning, controlled timelines, and reliable workmanship. From structural changes and services to kitchens, bathrooms, and finishes, every project is managed end-to-end to ensure quality, compliance, and long term performance. Full house refurbishment projects Structural alterations and layout changes Kitchens, bathrooms, and internal finishes Certified trades, insured work
Get in touch
THORNVEIL DEVELOPMENTS LTD
No reviews yet
Extension Builder in Waltham Forest
Thornveil Developments Ltd is a reliable and professional construction company specialising in refurbishments, property improvements, and general building works across London. We take pride in delivering high-quality workmanship, attention to detail, and efficient project completion. From small jobs such as painting, flooring, and partitions to larger projects including renovations, garage conversions, and structural work, we handle every job with the same level of care and professionalism. We work closely with our clients to understand their needs and ensure the final result meets expectations. We offer competitive pricing, clear communication, and a dependable service from start to finish. Customer satisfaction is our priority, and we aim to build long-term relationships through trust and quality results. We understand how important timelines and budgets are, which is why we plan every stage carefully and keep our clients informed throughout the process. Our team is committed to maintaining clean, safe working environments and delivering results that add real value to your property.
Get in touch
Stewart Everitt
No reviews yet
Extension Builder in Waltham Forest
Hi, I’m Stewart. I’ve been in the building trade for most of my working life. I will give you my full professional advice and work. I’m qualified in brickwork and restoration. I treat all my customers with respect and leave the work area clean and tidy. Thanks for your time
Get in touch
CREMAD LTD
Rating: 5 out of 5
Extension Builder in Waltham Forest
.We're a highly motivated team, quality and client satisfaction oriented with a brand new company, summing up over 25 years of combined experience in prosperty refurbishment for both owners and council houses & flats. We're a Property Refurbishment Specialist Our jobs mainly consists of Interior & Exterior Renovations(plastering, plumbing, carpentry, tiling, painting, flooring) Kitchen & Bathroom Remodelling
Get in touch
Latest review:
Painting & Decorating- 20 Apr 2024
Fantastic! Very lucky to have found Emad. On time, hard worker, clean and tidy, very nice guy who was easy to deal with and clearly knew what he was talking about. The room which he decorated looks great. Thank you!

4.3

Top rated Extension Builders

Our Extension Builders in Waltham Forest, are rated 4.3 out of 5 based on 23 reviews from customers like you.

Quality screening

Easily find verified local tradespeople. Just post your job to get quotes from tradespeople near you across the UK.

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

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 Waltham Forest 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 Waltham Forest who are available and interested can respond to your post.

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

What are the hourly rates of extension builders in Waltham Forest?

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

Find extension builders in Waltham Forest with MyBuilder

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

Step 2: Compare different extension builders in Waltham Forest

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

Step 3: Hire Waltham Forest extension builders with confidence

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

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

What to ask a Waltham Forest extension builder before hiring?

Before hiring an extension builder in Waltham Forest or extension building company in Waltham Forest, 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 Waltham Forest?

An extension builder in Waltham Forest 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 Waltham Forest 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 Waltham Forest?

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 Waltham Forest 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 Waltham Forest 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 Waltham Forest

Can an extension builder in Waltham Forest help with planning permission?

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

Many Waltham Forest 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 Waltham Forest help with materials and finishes?

Yes, most extension builders in Waltham Forest 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.