HOUSE EXTENSION · DUBLIN 1 · 21 PROVIDERS
Twenty-one builders and trades cover Dublin 1. Nearest first, one score from every review.
Twenty-one builders cover Dublin 1. Nearest first.
IF YOU ONLY LOOK AT THREE
Scores combine Google, Trustpilot and Locufy reviews, weighted by how many there are; distances are from the centre of Dublin 1.
ALL 21, NEAREST FIRST
Dublin Carpentry & Construction is a builder in Whitehall. They also do bathroom fitter, wet room installer, house extension and conservatory installer, and 3 o
Harapu Construction is a builder in Portland Lock, Dublin 1. They also do house extension, landscaping and driveway paving. Google rates it 5 from fewer than 10
Principal Construction is a builder in Smithfield, Dublin. They also do plasterer, tiler, bathroom fitter and loft conversion, and 6 other services.
Capital Construction does demolition in Fitzwilliam Hall, Dublin 2. They also do groundworks, architect, flooring installer and plasterer, and 1 other service.
Duff Construction is a builder in Ringsend, Dublin. They also do bricklayer, architect, flooring installer and demolition, and 1 other service. Google rates it
Construction Company Dublin - Lallcon Build Ltd is a builder in Ranelagh. They also do house extension and groundworks. Google rates it 5 from fewer than 10 rev
Extensions & Renovations is a builder in Ballygall, Dublin. They also do house extension, architect, scaffolding and flooring installer, and 1 other service. Go
Arkwood Construction Ltd. is a builder in Co. Dublin, D6W WY90. They also do house extension, architect, flooring installer and demolition. Google rates it 4.7
FarrellBuilding is a builder in Walkinstown, Dublin. They also do house extension, architect and roof repair. Google rates it 4.8 from 10+ reviews.
Modular House | Steel Frame Garden Room & House Extension Dublin does house extension. They also do architect, cladding and builder.
Caracon Building Extensions Ireland does house extension in Dublin 14, Co. Dublin. They also do architect, builder and interior designer. Google rates it 5 from
Classic Building Extensions is a builder in Goatstown, Dublin. They also do house extension, conservatory installer and basement conversion.
SHD Consulting Engineers is a structural engineer in Rathfarnham Dublin 14 D14 K443 i. They also do architect, builder and house extension. Google rates it 4.
O'Flaherty Construction - Palmerstown Builders is a builder in Woodfarm Acres, Dublin. They also do garage conversion, architect and house extension. Google rat
Stone Builders - House Extensions and Renovations, ICF Contractor is a builder in Stillorgan, Dublin. They also do house extension, architect, flooring installe
Nuhaus Ltd is a builder in Mitchelstown, Dublin. They also do bathroom fitter, kitchen fitter, fitted wardrobe installer and loft conversion, and 8 other servic
Lough Projects is a builder in Centre, Dublin 15. They also do house extension and loft insulation. Google rates it 5 from 10+ reviews.
Fior Insulation & Fire Protection Ltd does loft insulation in Sandyford, Dublin. They also do house extension. Google rates it 4.8 from 20+ reviews.
OS HOLDING Home Renovation | Attic Conversion Dublin is a builder in Lucan, Co. Dublin. They also do tiler, plasterer, carpenter and joiner and bathroom fitter,
Convert My Attic - Attic Conversions Dublin does garage conversion in Tallaght, Dublin 24. They also do flooring installer, builder, roofer and house extension.
Celtic Contractors is a builder in Brownsbarn, Dublin. They also do house extension. Google rates it 4.8 from 10+ reviews.
The providers here quote the job; the guide shows the normal range. House Extension price guide → · How to hire →
Locufy guide prices for 2026–2027. Updated 2026.
ALSO IN DUBLIN 1
Twenty-one today. Enter your Eircode above and the nearest come first.
€2,500–€4,500 a m², typically around €3,200 — the typical range across Ireland. The providers here quote the job.
Nearest to you first, then by score — Google, Trustpilot and Locufy reviews combined, weighted by how many there are. Sponsored placements exist and are always labelled “Sponsored”.
Request a quote on any card and describe the job; the provider comes back with a price. No account is needed to look.
