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Extension Builders in Portsmouth

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

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Some of our top rated extension builders in Portsmouth

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  • X21 Building and Carpentry Services specialise in high end refurbishment work, with a portfolio of project including hotels and restaurants in Verbier, Ski lodges in Chamonix, Finca restorations in Ibiza. We also work on new builds, offices, nightclub/bar design & build and domestic works including loft extensions in the UK.

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  • We provide carpentry and construction services as well as general maintenance and decorating work. I am am experience, qualified carpenter with over 20 years experience in the trade

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  • Candover Green Property Services provides reliable, high-quality property maintenance and refurbishment solutions for homeowners, landlords, and businesses. Built on a decade of hands-on development experience through our sister company, Candover Green Developments — established in 2015 and responsible for numerous successful projects across Hampshire, Dorset, Devon and Cornwall — CGPS brings proven expertise, craftsmanship and project know-how directly to the wider public. From small repairs to full property improvements, our team delivers work that’s on time, on budget, and finished to the highest standard. Customer satisfaction and clear communication sit at the heart of everything we do.

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  • Extension Builder in Portsmouth

    We are a family company who have over 30 years experience within the Building Surveying, Building Maintenance and Civil Engineering sectors. We provide property management, building surveying and maintenance along with civil engineering. We provide day to day maintenance, refurbishment and upgrade works, empty property refurbishment, compliance including Fire Stopping and Doors, Compartmentation, Gas, Electrical, Fire Alarm and Water Hygiene. Mould Services, mould survey and treatment then corrective work to remove the issue, increase ventilation, heating, damp ingress or insulation etc Alongside these services we also provide internal and external cleaning including property deep clean, builders clean, Airbnb or new tenancy clean, clearance, full deep clean, internal or void clearance, general clean, window cleaning, gutter cleaning, jet washing and general gardening and clearing. Regular or one off at fixed prices. All types of property are covered, homes, Airbnb, communal areas, companies or offices and all clients domestic, blocks of flats and schools, commercial offices or factories. Our team are all vetted, hold clear valid DBS clearance, our work and team are fully insured, guaranteed and we all provide the highest quality service. Also available are electronic completion reports and site packs. All services are managed, inspected and signed off by our management team and we provide a high quality service at affordable realistic prices.

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  • Extension Builder in Portsmouth

    My name is Callum Day, I’m 31 years old and I have been in the building trade for 15 years and over that time have accrued many skills in all areas of the trade. I have completed many projects big and small, ranging from kitchen and bathroom fitting to full loft conversions and extensions carrying out the vast majority of the work ‘in house’ in order to not rely on incoming trades. I believe in good communication and attention to detail and have a high standard of work.

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  • Extension Builder in Portsmouth

    We are a well established building company with many years of experience in extensions,loft conversions and new builds.We work together with a local architect and can assist you in your project from the drawing of plans to completion of works.We will provide you with a fully itemised quote,schedule of works and client friendly payment plan giving you full control of your project.References can be provided and all our trades are fully qualified in their chosen profession.

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  • Extension Builder in Portsmouth

    We are a family run construction design and build company with 20 years’ experience in the construction industry. Our typical works consist mainly of new builds, house extensions, loft conversions, commercial extensions, refurbishments and alterations. We can take care of everything from planning permission and design through to excavating foundations and building to decorating and fitting your carpets.

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  • Extension Builder in Portsmouth

    Hello all, Here at Clever construction we deliver height quality finishes,for us to leave the client impressed of our job is a must!

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  • Extension Builder in Portsmouth

    Welcome to Stone Elephant LTD – Your Trusted Partner for Quality Driveways At Stone Elephant LTD, we specialise in creating stunning, durable, and expertly installed driveways that elevate the appearance and functionality of your property. Whether you’re looking for a classic design, modern style, or something completely custom, we pride ourselves on delivering workmanship of the highest standard. What sets us apart is our commitment to excellence and attention to detail, no matter the size of the project. From start to finish, we value every job and every customer, ensuring that your vision is brought to life with precision and care. When you choose us, you’re not just getting a driveway—you’re investing in quality, reliability, and a team that takes pride in every stone laid and surface finished. Let us help you create a driveway you’ll love for years to come. Contact us today to discuss your project! We look forward to working with you.

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  • Extension Builder in Portsmouth

    From new builds/garages/extensions/walls/piers/patios. Fast efficient and always a tidy job.

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4.6

Top rated Extension Builders

Our Extension Builders in Portsmouth, are rated 4.6 out of 5 based on 7 reviews from customers like you.

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

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

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

What are the hourly rates of extension builders in Portsmouth?

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

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 Portsmouth extension builders near you on MyBuilder. This allows you to compare what each quote covers and how much your Portsmouth home extension project is likely to cost.

Find extension builders in Portsmouth with MyBuilder

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

Step 2: Compare different extension builders in Portsmouth

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

Step 3: Hire Portsmouth extension builders with confidence

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

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

What to ask a Portsmouth extension builder before hiring?

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

An extension builder in Portsmouth 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 Portsmouth 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 Portsmouth?

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 Portsmouth 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 Portsmouth 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 Portsmouth

Can an extension builder in Portsmouth help with planning permission?

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

Many Portsmouth 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 Portsmouth help with materials and finishes?

Yes, most extension builders in Portsmouth 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.

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