House Extensions Cardiff

For all house extensions in cardiff we are the number 1 choice! Redwood Construction are extension specialists covering Cardiff and surrounding areas.

Full House Extensions in Cardiff

Full house extensions can be carried out with miniaml fuss and disruption.

Kitchen Extensions in Cardiff

Want a bigger kitchen? Have a new kitchen and extension at the same time.

Single, Double Or Multi-Storey Extensions in Cardiff

Whatever size house extension you need – we can do it all.

House Extensions Cardiff for clients across South Wales

Whether your building extension needs, we can undertake all types of building renovation work. We use top-quality materials and equipment to complete all building work causing minimal disruption to your daily life.

Get in touch with us today for a free no-obligation quote.

Do you want to extend your home but not sure where to start? We have the knowledge and expertise to undertake high-quality extensions at highly competitive prices and can recommend design layouts.

We can provide you with a written quote which will suit your needs, no matter how big or small your extension project is. At Redwood Construction we always work to the highest standards and are certain that we can meet all of your requirements by supplying a reliable, experienced team to ensure the finest workmanship and your satisfaction. Give us a call now on 07792 447736.


Please browse through our frequently asked questions to see what people are asking us…

How much will my extension cost?

Your average single storey extension depending on spec nad roof structure would be £1600 – £2000 per square metre.

Do I need planning permission?

Generally yes you need planning permission, however if you’re not sure please check here

Are you fully qualified?

Yes we are fully qualified and have City & Guilds and NVQ qualifications.

Can I see examples of your work locally?

Of course you can! We have many local satisfied customers. Please call to arrange viewings or references if required.

How long should it take to build a single storey extension?

Depending on size and spec, to give a rough idea a 20 sq metre lean to extension will take about 10 – 12 weeks.

Pictures Of Our Extensions