Extension Builders in Mildmay

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 4.1 (18 reviews)

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Some of our top rated extension builders in Mildmay

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Go&Ko Services Ltd
Rating: 5 out of 5
Extension Builder in Mildmay
Go&Ko Services LTD is a 24 hours Property maintenance company for the Public and Commercial with trust and confident in quality and high standard services. Our offers the following services on a residential and commercial basis: - General Building/Extension - Loft conversion - Refurbishment - Kitchen/bathroom installation - Carpentry - Tiling/Flooring - Plumbing - Drainage - Metal restoring/welding - Electrical - Decorating - Handyman - Fencing/Decking -
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Latest review:
VERY PROFESSIONAL WORK AND GOOD COMMUNICATION
Cocis Construction Group
Rating: 5 out of 5
Extension Builder in Mildmay
Cocis Construction Group LTD is a family-run construction company with over 25 years of hands-on experience in the trades. We specialise in home renovations, extensions, bathroom and kitchen refurbishments, and property development across London. As a young, ambitious company, we combine traditional craftsmanship with fresh ideas and modern techniques to deliver projects efficiently and to the highest standards. Our team takes pride in attention to detail, clear communication, and building lasting relationships with homeowners, landlords, and property investors alike. At CCG, we don’t just build structures—we bring visions to life, turning ideas into beautifully finished spaces. Contact us today for a free quote and see how our expertise and dedication can make your next project a success.
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Latest review:
Cocis Construction Group done the full interior painting of our 5 bedroom house and we are really happy with the result. The team was polite and worked very hard every day. They kept things clean and finished everything on time like they said they would. The paint finish looks great and the whole house feels fresh again. Would definitely recommend them if you need painting done.
Essem Designs Ltd
No reviews yet
Extension Builder in Mildmay
New to ‘MyBuilder’. A qualified Architectural Technologist (CIAT accredited) with over 12 years industry experience ranging from high-end commercial, residential, retail (such as KFC, Wasabi, Starbucks, Watirose, Subways etc) and Stadium projects. All architectural & struc services are offered from planning to building control packages up to completion. Please contact us to determine the level of service you require and to make a FREE initial assessment and provide a fee proposal.
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E&H builders Ltd
No reviews yet
Extension Builder in Mildmay
Hi
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Amritpal singh
Rating: 4.5 out of 5
Extension Builder in Mildmay
We are here to assist you and provide you the work you dreamt off on very reasonable prices so trust us with your house and we will do the best for you .please do understand that we have to pay to get contact details of customers so it’s important being a customer to check the portfolio before short listing a tradesman just to be sure that we won’t just be paying for nothing .
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Latest review:
Extensions- 4 Jan 2026
I hired Amrit based on positive reviews, but my experience was extremely poor. The work showed all the signs of a cowboy builder. I’m sharing this to help others avoid the stress, delays, and financial risk I went through. 1: No Respect for Contract or Deadlines Contract deadline was 15th September, which he completely missed. Despite delays, he demanded money almost daily. When I referred him to the payment and work schedule he signed, his response was: “I didn’t read it, I just signed it.” 2: Dangerous and Unprofessional Working Practices Brought in unqualified workers, many of whom could not speak basic English. He ignored safety standards throughout the project and wanted to use the same unqualified workers for gas work, which is extremely dangerous. When I objected, his response was: “Don’t worry, you will get a new house if it blows up as you have insurance.” 3: Work failed multiple building control inspections. He eventually refused to cooperate with the building inspector.
MSN pyramids construction Ltd
No reviews yet
Extension Builder in Mildmay
I'm a builder 15 years experience , im specialist fitting bathroom
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SaFa Ltd
No reviews yet
Extension Builder in Mildmay
Synergy Building Services a trusted name in construction, excels in diverse renovation projects. With a foundation built on precision and quality, Synergy ensures excellence in every undertaking. Rely on this professional team for all your renovation needs.
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Next level builds
No reviews yet
Extension Builder in Mildmay
Hi its Hakan from next level builds, it is a family business father and son, i have been in this trade for 16 years myself and also have my dad doing this for 35 years, we do all jobs no job is too small or too big, we will always provide a quality finish and always responsive
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MILSTRUCT Limited
No reviews yet
Extension Builder in Mildmay
At MILSTRUCT Limited, building is more than just our business — it's our family tradition. With over 40 years of combined experience in the construction industry, we deliver high-quality workmanship across both domestic and commercial projects. As trusted, approved contractors for major pub chains and contractors for private clients, we have successfully completed large-scale projects including full refurbishments, extensions, and structural works. Our reputation is built on providing a seamless, professional service while maintaining the personal, hands-on approach that only a family-run business can offer. We are committed to working closely with our clients to bring their vision to life — delivering projects on time, on budget, and to the highest standards. Quality, reliability, and integrity are the foundations we build on every day. When you choose MILSTRUCT, you're choosing a team that values your project as much as you do.
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VGM construction ltd
No reviews yet
Extension Builder in Mildmay
We are different from other construction companies as we provide timely and unique services to our respected clients. We see to it that our orders reach our clients on time and allow time to negotiate a fair price We as a construction company, strive hard to stand up to the expectations of our clients, and if you choose us, we will endeavour to give you the best service as possible. If we make a mistake, we will own up and rectify the error at no cost to the customer
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Harrison cook
Rating: 5 out of 5
Extension Builder in Mildmay
Family run buisness All aspects of roofing Offering a 10 year garentee on all new roofs.
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Latest review:
Harrison completed the job to a high standard. He worked late to ensure the roof was left water tight overnight. The site was left clean and tidy.
Sweet Home Construction
Rating: 4.4 out of 5
Extension Builder in Mildmay
We are professionals in extensions (side double story, rear single story, side and rear single story and loft conversion. We also deal with refurbishing the whole house as per requirements of the customer.
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Latest review:
Extensions- 2 Oct 2018
Completed Side extension and 6m rear extension last Oct. Overall happy with the work. Digging, foundation, Bricks, structure, insulation, Roofing, Tiles, plumbing, flooring, painting, etc were done to good standard. Some of the minor corrections, changes or fixes needed near completion were done accordingly. Quote was in midrange and reasonable compared to compared to some others I received. Raman is very easy to work with and clear in his communication. Never had any issues all through construction through to finalising stages. Would recommend Raman to others.
Perfect Install LTD
Rating: 5 out of 5
Extension Builder in Mildmay
Perfect Install is an refurbishment and extensions specialist with 6 years experience in the building industry, doing all kind of projects, from small bathrooms refurbishments up to full house refurbishment including wall demolishing and building, flooring fitting, tiling, full kitchen design and fit and high quality painting. We do have in house authorised electricians and gas certified plumber. We have a history of projects started as small parts of a big project which end up with us doing the entire project at customer request. We are working in an 30 miles radius from Watford and we did projects in the medium to high luxury part of the building industry, including residential, commercial and public institutions. We offer to our customers an hassle free experience, getting involved in planning, sourcing the materials and advising regarding the local regulations. All our work is backed by an insured warranty which give our customers the peace of mind that the project is done at the highest level of quality.
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Latest review:
Handyman- 28 Mar 2025
Amazing job, at a very fair price. The people who did the installation came prepared and were friendly, he even brought a laser to make sure the tilea were leveled.
Rucky
No reviews yet
Extension Builder in Mildmay
Welcome to Rucky Construction, where we turn your dreams into reality! With decades of experience and a commitment to excellence, we specialize in delivering top-notch construction services tailored to your needs. Whether it's residential, commercial, or industrial projects, we bring expertise, quality craftsmanship, and a customer-centric approach to every job. Let's build something amazing together
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Lakha bricklayer
No reviews yet
Extension Builder in Mildmay
Hi,this is Lakha bricklayer am professionaly do brickwork.we carry any type of brickwork extension,porch,garden wall etc.we mostly try to give customer amazing jobs cos they money. Don’t hesitate call me if you need good and responsible bricklayers!
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Selmani Construction Ltd
No reviews yet
Extension Builder in Mildmay
At Selmani Construction Ltd., we understand that your outdoor space is an extension of your home – a place where memories are made, and tranquility is found. Whether you desire a serene oasis for relaxation, a vibrant garden bursting with color, or a functional outdoor living area for entertaining, our team is here to turn your vision into reality With a combination of over 15 years of experience in the industry, we take pride in our attention to detail and dedication to excellence. From the initial consultation to the final touches, we work closely with our clients to ensure that every aspect of their landscape design exceeds expectations. Our skilled craftsmen utilise top-quality materials and sustainable practices to create landscapes that not only captivate the eye but also stand the test of time.
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4.1

Top rated Extension Builders

Our Extension Builders in Mildmay, are rated 4.1 out of 5 based on 18 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 Mildmay?

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

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

What are the hourly rates of extension builders in Mildmay?

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

Find extension builders in Mildmay with MyBuilder

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

Step 2: Compare different extension builders in Mildmay

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

Step 3: Hire Mildmay extension builders with confidence

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

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

What to ask a Mildmay extension builder before hiring?

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

An extension builder in Mildmay 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 Mildmay 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 Mildmay?

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 Mildmay 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 Mildmay 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 Mildmay

Can an extension builder in Mildmay help with planning permission?

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

Many Mildmay 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 Mildmay help with materials and finishes?

Yes, most extension builders in Mildmay 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.