House extensions in Blanchardstown

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Prices from €1,800
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Top loft conversion specialists in Blanchardstown

Seller avatar for AtticCraft Dublin
4.9 (10)
Dublin D
·3.4 km
AtticCraft Dublin – Attic Conversion Specialists Serving Dublin, Wicklow & Kildare We transform unused attic space into beautiful bedrooms, home offices, en-suites and playrooms, fully finished to the highest standard. One Team, Start to Finish We handle everything from the initial free survey through to: ✅ Structural engineering ✅ Planning advice ✅ Insulation & drylining ✅ Plastering ✅ Electrics ✅ Staircases ✅ Final finish One team, one point of contact, no subcontracting surprises. ⭐ What We Specialise In ✔️ Velux / rooflight conversions ✔️ Bedroom and en-suite additions ✔️ Home office conversions Flooring Services We also offer flooring as a separate service, whether or not you're having an attic conversion done. ⏱️ Fast & Hassle-Free ✅ Most projects completed in 2 to 4 weeks ✅ You stay in your home throughout with minimal disruption ✅ Every job comes with a Certificate of Compliance with Irish Building Regulations Free Survey & Quote ✅ Free no-obligation survey ✅ Written quote within 48 hours of visiting your property ✅ No pressure, just an honest assessment of what's possible and what it will cost Over 100 attic conversions completed across Dublin and surrounding counties. Get in touch today to book your free survey!

€25,000/one off

Seller avatar for Eland Building Construction Ltd
5.0 (6)
ServesBlanchardstown
We are a small Building Construction Company, We build houses from the ground to fininsh, and we build Extensions, and we Renovate house and Repair the Roofs, we have a team of Blocklayers , Carpenters, Plumbers and electricians call us Eight five one six six two eight zero eight call us nationwide

€30/hour

Seller avatar for Build 57
4.9 (12)
ServesBlanchardstown
Build 57 has over 20 years experience in the construction industry across multilpe sectors from home improvements, retrofit energy upgrades and general building and carpentry. Specialising in renovations, we pride ourselfs in making the most of your existing space while adding additional if needed.

€35/hour

Seller avatar for BBX Construction Limited
5.0 (17)
ServesBlanchardstown
Lasting, high-quality builds tailored to your budget. Complete turnkey project delivery - from initial architectural drawings to final handover . Our Services: - House Extensions - Home Renovations & Retrofits - End-to-End Project Management
Seller avatar for Deluxe builders
5.0 (6)
ServesBlanchardstown
At Deluxe Builders Limited, we pride ourselves on delivering exceptional quality of work and unmatched customer satisfaction. We believe in providing long-term value by ensuring every project is completed to the highest standards. Our attention to detail, skilled craftsmanship, and commitment to excellence set us apart from other construction companies. We go above and beyond to exceed expectations, ensuring that each client receives a finished product that is durable, precise, and built to last. Trust us to outperform any competitor—because when it comes to quality, we don't cut corners.

€30/hour

How much does a house extension builder cost in Blanchardstown?

€1,800 to €2,800

per sqm

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House extension builders in Blanchardstown

Growing families and changing needs often call for more space, and a house extension is one of the most practical ways to get it. In Blanchardstown, County Dublin, homeowners rely on Bark to connect with builders who can turn a home extension idea into a finished, functional space.

From opening up the ground floor with a kitchen and living extension to adding rooms above with a two storey build, local professionals can manage the whole process.

Popular extension services

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

Covering Blanchardstown and beyond

Many builders here also serve nearby areas of Dublin, including Lucan, Malahide and Dún Laoghaire, giving you plenty of choice when comparing quotes. Sharing your project details helps builders understand the scope and provide accurate pricing.

Ready to begin

Post your extension house project on Bark and receive responses from interested builders in Blanchardstown. Compare quotes, read reviews and hire the team that best fits your plans.

FAQs

Bark's data suggests house extensions usually cost between €1,800 to €2,800 per sqm, though your Blanchardstown project could sit anywhere in that range depending on size and specification. Structural work and premium finishes push costs up, while simpler single storey builds keep them down. Free local quotes are the best way to budget accurately.

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