House extensions in Castlebar

Compare up to 5 quotes
Prices from €1,800
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Top loft conversion specialists in Castlebar

Seller avatar for CARRIGMOY Contracts
5.0 (1)
ServesCastlebar
Our reputation is built on honesty, professionalism and a commitment to excellence, making CARRIGMOY Contracts a trusted choice for homeowners, architects, designers and commercial clients alike. We work closely with our clients from concept through to completion, ensuring every project is delivered on time, on budget and with uncompromising attention to detail.
Seller avatar for Gerard’s construction

New

ServesCastlebar
We are a family run business for 15 years or more We specialise on renovations,extentions, plumbing,roofing,bathroom fixtures, kitchen, driveways, new developments,etc No job to big no job to small

from €45,000/session

How much does a house extension builder cost in Castlebar?

€1,800 to €2,800

per sqm

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House extension builders in Castlebar

When a home starts to feel cramped, a house extension offers a practical way to add space without moving. In Castlebar, County Mayo, homeowners use Bark to connect with builders who can take a home extension from first design to finished room.

Whether you are planning a single storey extension for a bigger kitchen or a two storey build for extra bedrooms, experienced local teams can manage the whole project.

What builders offer

  • Single-storey extensions
  • Two-storey extensions
  • Kitchen and living extensions
  • Structural work
  • Full build management

Why choose an extension

Extending is usually more cost effective than buying a bigger property, and it lets you design the space around how you actually live. A kitchen and living extension can open up an older home, while adding a floor above delivers valuable extra rooms.

Start your project

Tell Bark about your extension house plans in Castlebar and receive quotes from interested builders. Compare their responses, read reviews and choose the team that fits your budget and timescale.

FAQs

Bark's data suggests house extensions typically cost between €1,800 to €2,800 per sqm, with your Castlebar project varying by size, specification and structural work. Single storey extensions usually cost less than two storey builds. Free quotes from local builders give you the clearest idea of the likely cost.

Simply tell Bark about your project and builders covering Castlebar will respond with quotes and availability. You can compare their profiles and reviews before deciding who to hire. Getting quotes is completely free.

Builders offering full build management cover the whole project, from groundwork and structural work to roofing and internal finishing. Kitchen and living extensions are frequently provided as a complete service. Always confirm the detailed scope in your quote so there are no surprises.

Timescales depend on the size and type of build, but a single storey extension often takes a couple of months while larger two storey projects run longer. Materials, weather and structural work can all affect the schedule. Your builder should provide a realistic timeline before starting.