Selfbuild Ireland - Ireland's Selfbuilding and renovation experts
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Links to inspiration galleries, house plans, and budget calculators.Read more
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Extending or Renovating
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Extend/Renovate
Advice zone
Extend/Renovate
Cost Hub
Extend/Renovate
Cost Calculators
Extend/Renovate
House Plans
Extend/Renovate
Inspiration
Extend/Renovate
Magazines
Ireland’s best-selling magazine for self-builds, extensions and renovations. Each quarterly issue is packed with expert tips, inspiration, trends, and the latest home products.
Find out moreevents
The Selfbuild Extend & Renovate Show is Ireland’s top event for building, extending or decorating. Held in all four regions, it’s the place to get ideas, advice and meet experts.
Find out moreCost Calculator Section
Surface the cost estimation tool as a primary resource.
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An interactive calculator with dropdown menus for project type (new build, renovation, extension), square footage, and location.
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Real-time outputs displaying average costs per m² (e.g., “€1,700+ for builder-finished projects”) and links to detailed cost guides
Our Experts / Contributors
Dermot Rasdale
DJ Estimations
Edel Regan
Architect
Micah Jones
Architect
Pete Cole
Clerk of Works and Building Surveyor
Harrison Gardner
DIY self-build expert
Barry McCarron
Chairman of the Passive House Association of Ireland
Andrew Stanway
Project Manager
DJ Ramsdale
Builder and Cost Expert
Keith Kelliher
Quantity Surveyor
Anne Byrne
Garden Designer
Latest Projects & Advice
Ireland’s award-winning homes for 2026
Inspiration from the 2026 Architectural Association of Ireland (AAI) and…
Deep retrofit in Co Tyrone
Paul Crowe charts how he went about renovating a bungalow…
The case for building more homes in the Gaeltacht
Donncha Ó hÉallaithe of BÁNÚ says a Build to Stay…
JP Corry opens new Castlereagh branch
Builders’ merchant JP Corry has opened its new Castlereagh branch…
3 in 4 new construction dwellings granted planning were one-off homes
77 per cent of the new construction dwellings that were…
Homeowner Grants in County Antrim
A quick guide to the home renovation, energy efficiency, adaptation…
Damp Specialists
Protect your home from the hidden damage of damp.
Is passive house worth it?
With building regulations already so good at conserving energy, is…
Contemporary barn house
Robert Glynn and Amanda Lyons share how they designed and…
‘I was taken for a mug,’ says rogue builder victim who lost £7k
Homeowners looking for a builder are warned not to rely…
Deep retrofit in Co Tyrone
Paul Crowe charts how he went about renovating a bungalow in Co Tyrone in need of a complete energy upgrade.
The case for building more homes in the Gaeltacht
Donncha Ó hÉallaithe of BÁNÚ says a Build to Stay policy in the Gaeltacht would be a game changer for rural communities and the…
The case for building more homes in the Gaeltacht
Donncha Ó hÉallaithe of BÁNÚ says a Build to Stay policy in the Gaeltacht would be a game changer for rural communities and the…
JP Corry opens new Castlereagh branch
Builders’ merchant JP Corry has opened its new Castlereagh branch on Montgomery Road, Belfast.
3 in 4 new construction dwellings granted planning were one-off homes
77 per cent of the new construction dwellings that were granted planning permission in the first quarter of 2026 were one-off homes.
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