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You can find the best Extension Specialists on Bark. Start your search and get free quotes now!  

First time looking for an Extension Specialist and not sure where to start? Tell us about your project and we’ll send you a list of Extension Specialists to review. There’s no pressure to hire, so you can compare profiles, read previous reviews and ask for more information before you make your decision. 

Best of all - it’s completely free!


Extension specialists near you

Are you planning a kitchen extension? Or perhaps you’re considering a bathroom or conservatory extension for your home? Tell us the details of your property extension and we’ll find the right specialist builders for your project.


Get quotes for your extension project

Based on your requirements, Bark will reach out to relevant extension builders. We’ll match you with free quotes from the best extension specialists in your area. Receive a notification each time a new quote arrives, or check them in your own time.


Choose an extension specialist

Compare the cost of building your extension with each specialist and check their company reviews. You can also speak to each property extension professional either online or by phone, before booking any work with them.

Finding professionals for a quality extension project

Growing out of your home?

When you outgrow your living space, moving house is an option. But when you consider the cost of upsizing, it’s easy to see why many homeowners decide to stay put and extend their homes instead. Adding a new extension onto your house can add space and bring a new dynamic to the property. Building a new two-storey extension or basement conversion, for example, can be a great way to add more space for guests and a growing family.

Why hire a property extension specialist?

Specialist extension companies are qualified construction professionals who have considerable experience in extension projects. They can carry out extension works with minimal disturbance, and source the manpower and tools needed from start to finish. A specialist extension team can usually tackle all extension tasks. These include inner wall removal, cavity wall insulation, room ventilation, electric installation, plastering, and decorating. They’ll also be able to advise on planning permission, building regulations approval, building permits, boundary constraints, and ensure that these are adhered to.

Home extensions with inspired design and quality workmanship

Like all construction projects, a considerable amount of planning is involved in extension projects, both in terms of design and budget. With our help, you can find the best team for your new property extension. Bark allows you to gather and compare quotes from the right builders and architects in your area, swiftly and with minimal effort. Our extension experts will be able to answer all your queries. From how to plan an extension, to the average cost of the type of extension you’re looking for.
Home Extensions & Renovations Ltd  profile image

Home Extensions & Renovations Ltd

We are an experienced team of home extension specialists. We pride ourselves on the exceptional quality and workmanship of the extensions we build – our reviews speak for themselves!

Hear from
a professional

How much does a house extension cost?

The cost of building an extension is determined by a number of factors, including size, specification, and your location. You may be planning a basement conversion, a single storey extension, a downstairs toilet extension, or an extension over your garage. Whatever you have in mind, our experts will take a detailed brief in order to provide an accurate quote for the work.

Do I need planning permission?

In many cases, you can extend your home under Permitted Development (PD). For example, under PD you can extend a detached property by 8m to the rear, if it’s a single-storey extension, or by 3m if it’s double. Check with your local council and your extension specialist before you get too far into the planning stages, because your project may not meet all the criteria for PD.

What about insurance?

Most insurers won’t cover any loss or damage incurred while a property is undergoing alteration or renovation. If you’re carrying out extension works and managing the project yourself, it’s worth discussing your project with an insurance provider, before any work begins. You may need to arrange a specific extension policy to cover the new works and the existing structure. It’s also worth enquiring about a 10-year structural warranty, as this can be provided on some new extension works.

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based on 15,292 reviews

After interviewing various renovation firms, we, however decided that Vibe Design Build was just the ideal company our needs. They supplied intelligent, astute design drawings laced with quality delivery through the expert teams. Flawless process from the consultation to stage walkthrough. Highly recommend!

20 Feb 2024

The team at Hawk did an amazing job, start to finish. The project finished mostly on time and mostly on budget and we are very happy with the finished product. Most of the trades and people working on the project were friendly, respectful and professionals. Shoutout to Leo for minding the guinea pig during a weekend away. There were bumps along the way but the team was open, collaborative and creative in how these bumps were addressed. Shoutout to Marcus who really was a wonderful partner during the entire process. The whole experience was very positive. Some areas for improvement: 1) CoConstruct - I still don't like this tool. It tracks information well but is often difficult to find things 2) Financials - everyone likes to track these things a little differently but there should be an tried and tested process to ensure it is clear on what $ amounts have been paid and what is outstanding. It felt like we needed to drive this at times but they were open to our needs and we feel like we got to a good place with it. 3) Communication - mostly good but at times we felt like things had to be communicated numerous times to different people in order to get things done. I can appreciate the complexity with managing communication on a project this size. For context, timeline for project was about 6 months and cost was approx 300k. The true test of project like this is to ask yourself the question...would we use Hawk again? The answer to this is a resounding yes and we've already recommended them to friends/family who are considering projects. Great job and we appreciate everything you did for us - we're super happy and wish you well on future jobs.

20 Feb 2024

I highly recommend working with the Hawk team on any major renovation or new build project. Their communication, attention to detail and organization has been fantastic and they are a true pleasure to work with.

16 Feb 2024

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