House Extensions in North Cornwall

Create more space without moving

Looking to add more space to your home? We design and build high-quality house extensions across North Cornwall, helping homeowners create practical, well-finished living areas that suit their lifestyle.

Whether you’re planning a kitchen extension, extra living space, or a full two-storey addition, we deliver reliable construction with a focus on quality, durability, and a finish that complements your existing property.

Get in touch today to discuss your extension or request a quote.

Types of extensions we build

We undertake a wide range of home extension projects, including:

Rear extensions
Side return extensions
Kitchen and open-plan living extensions
Two-storey extensions
Timber frame extensions

Each project is tailored to your property, ensuring the new space blends seamlessly with the original structure.

Timber frame extensions

Timber frame extensions are a popular choice for many homes in Cornwall. They can be built quickly, offer excellent insulation, and work well in both modern and traditional properties.

We construct timber frame extensions with precision, ensuring they are structurally sound, energy efficient, and built to last — particularly important in coastal environments.

Why choose AC Construction for your extension

Local experience working across North Cornwall
Strong background in structural carpentry
High-quality workmanship from start to finish
Reliable project management and clear communication
Suitable for both traditional and modern builds

Frequently asked questions

Will a timber frame extension match my existing home?
Yes — extensions can be finished in a range of materials to match your existing property, whether traditional or modern.

Is timber frame suitable for coastal Cornwall?
Yes — when built correctly, timber frame construction performs very well in coastal conditions and offers excellent durability and insulation.

Do I need planning permission?
Some extensions fall under permitted development, while others require planning approval. We can advise based on your project.

How long does an extension take?
This depends on the size and complexity of the build, but we’ll provide a clear timeline before work begins.