New Build Construction Quotes in Ireland
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Building your own home in Ireland is a major undertaking, but for many families it is the only way to get exactly what they want in the location they want at a price that makes financial sense. In rural Ireland, where site availability is better and land costs are lower, self-build remains a popular route. In suburban areas, self-build on infill or family sites is increasingly common as an alternative to buying an overpriced developer home.
Build costs in Ireland currently run from €1,800 to €3,500 per square metre depending on location, specification, and site conditions. A standard three-bedroom bungalow of 120 to 140 square metres costs €220,000 to €350,000 to build, excluding the site. A four-bedroom two-storey house of 180 to 220 square metres costs €320,000 to €550,000. These figures include everything from foundations to decoration but not the site, site development works, or professional fees.
The regulatory environment for new builds in Ireland is complex. You need planning permission from your local authority, compliance with building regulations (Parts A through M), a Building Control Management System (BCMS) commencement notice with an assigned certifier, and an opinion on compliance for Design Certificates at key stages. Your architect and engineer manage this process, but you need to understand it because it affects timeline, cost, and your legal obligations as a building owner.
Choosing the right builder is the single biggest decision in a self-build. A competent builder who is well-organised, communicates clearly, manages subcontractors effectively, and delivers on time is worth far more than a lower quote from an unreliable operator. Getting at least three competitive quotes from CIRI-registered builders, based on identical drawings and specifications, is the essential starting point.
How Much Does New Build Construction Cost in Ireland?
Typical pricing for new build construction services in Ireland (2026):
| Service | Typical Cost | Notes |
|---|---|---|
| Standard 3-bed bungalow | €200,000 | €320,000 | Location, specification, site conditions |
| 4-bed two-storey house | €280,000 | €450,000 | Size, design, finish level |
| High-spec A-rated home | €350,000 | €550,000 | Energy rating target, custom features |
Build costs depend on six main factors: location (Dublin is 20-30% above national average), house size and design complexity, specification level (standard vs premium finishes), site conditions (rock, high water table, poor access add cost), energy performance target (Passive House or A1 costs more than B2), and the current construction market (labour shortages push prices up). Professional fees (architect, engineer, quantity surveyor, assigned certifier) add 10-15% to the build cost. Site development (connection to services, drainage, driveway, landscaping) adds another €20,000 to €50,000 depending on the site.
What to Expect: The New Build Construction Process
- Engage an architect. The architect designs your home, manages the planning application, produces detailed tender drawings, and oversees the build. They are your most important professional appointment.
- Planning permission. Your architect submits the application, which takes 8 to 12 weeks for a decision. Conditions may be attached. Appeals to An Bord Pleanala take 4 to 6 months.
- Detailed design and tender documents. The architect produces construction drawings, specifications, and a bill of quantities that builders use to price the job competitively.
- Tendering. Issue drawings to at least three builders for competitive pricing. A quantity surveyor can help analyse and compare the tenders.
- BCMS commencement notice. Your architect (as assigned certifier) submits the statutory commencement notice at least 28 days before work starts. An inspection plan is agreed.
- Construction. A typical self-build takes 10 to 14 months from breaking ground. Key stages are foundations, ground floor, walls, first floor, roof, windows, first fix (electrics, plumbing), insulation, plastering, second fix, kitchen, bathrooms, and finishes.
- Certification. Your assigned certifier issues the Certificate of Compliance on Completion, confirming the building was constructed in accordance with the plans and building regulations.
Common Mistakes to Avoid
- Starting construction before completing the design. Rushed or incomplete drawings lead to constant changes on site, which cost far more than doing the design properly in the first place.
- Choosing the cheapest builder. The lowest tender is often lowest because the builder has underpriced the job, misread the drawings, or plans to cut corners. A mid-range tender from a builder with excellent references is almost always the best choice.
- Underbudgeting. Most self-builders underestimate the total project cost by 15-25%. Account for professional fees, site development, connections, levies, landscaping, and a 10% contingency on the build.
- Not understanding BCMS obligations. As the building owner, you have legal responsibilities under BCMS. Your assigned certifier manages the process, but you need to ensure inspections happen at the right stages. Missing a stage can create expensive problems.
- Making changes during construction. Every change on site costs more than it would have cost to design correctly in the first place. The time to make decisions is during the design phase, not when the builder is standing with a block in hand.
What to Look for When Hiring a New Build Construction Professional
Your builder must be registered with CIRI (Construction Industry Register Ireland). CIF (Construction Industry Federation) membership is an additional mark of a professional operation. Homebond or Premier Guarantee registration means the build is covered by a 10-year structural defects warranty, which is important for mortgage lender requirements and future resale. Ensure the builder carries contractor's all-risk insurance, public liability (minimum €6.5 million), and employer's liability. Check that they have experience building to the energy specification your architect has designed (particularly if targeting A-rated or Passive House). Be wary of builders who quote without studying the drawings, who cannot provide references from recent builds, or who propose significant savings by cutting the specification.
Questions to Ask Your New Build Construction Professional
- Are you CIRI-registered and do you carry Homebond or Premier Guarantee? CIRI registration is a legal requirement. A structural warranty protects you for 10 years and is required by most mortgage lenders.
- Can you provide references from recent new builds similar to mine? A builder experienced in your house type, energy target, and area will price more accurately and build more efficiently.
- Is your quote a fixed price based on the architect's drawings? A fixed-price contract based on complete drawings gives you certainty. If the builder quotes on incomplete drawings, expect significant extras.
- What is your realistic build timeline? Honest builders will give a realistic programme (10 to 14 months for a standard house). Unrealistically short timelines suggest the builder has not studied the drawings carefully.
- How do you handle variations and extras? Even with complete drawings, changes happen during a build. Agree a process for pricing variations before the build starts, in writing.
- Who are your key subcontractors (plumber, electrician, roofer)? The quality of the finished house depends heavily on the subcontractors. Experienced builders have long-standing relationships with reliable trades.
Frequently Asked Questions
Building costs range from €1,800 to €3,500 per square metre. A three-bedroom bungalow (130 m²) costs approximately €230,000 to €380,000. A four-bedroom two-storey house (200 m²) costs €360,000 to €550,000. These figures cover the build only, not the site, professional fees (10-15% of build cost), site development, or connection charges. Dublin and commuter county builds cost 20-30% more than the national average.
From breaking ground to moving in, a standard self-build takes 10 to 14 months. Planning permission takes 8 to 12 weeks. Detailed design and tendering take 2 to 4 months. The total timeline from first engaging an architect to moving in is typically 18 to 24 months. Timber frame builds are faster (8 to 10 months on site) because the frame arrives pre-manufactured. Weather delays, material shortages, and subcontractor scheduling can all extend timelines.
Yes, for all practical purposes. While there is no legal requirement to use an architect, the planning, building regulations, BCMS certification, and design complexity of a new house make professional design essential. Under the BCMS system, a qualified architect or building surveyor must be appointed as the assigned certifier who takes statutory responsibility for inspecting the build and certifying compliance. An experienced architect also ensures your home is well-designed, energy-efficient, and maximises the potential of your site.
The Building Control Management System requires that a Commencement Notice be submitted at least 28 days before work starts. For new houses, this must be a statutory commencement notice signed by an assigned certifier (architect or building surveyor) and a design certifier (engineer). The assigned certifier carries out inspections during construction and issues a Certificate of Compliance on Completion when the build is finished. This certificate is required for occupancy and is checked by solicitors during any future sale.
Both systems are well-established in Ireland. Block build (concrete block walls) is traditional, slightly cheaper, and familiar to most Irish builders. Timber frame is faster (the shell is erected in days, not months), provides superior insulation, and is the standard approach for energy-efficient and Passive House builds. Timber frame costs 5-10% more overall but the faster build time can offset this. Many modern Irish homes use a hybrid approach with timber frame walls and block internal walls. Your architect should advise based on your design and energy targets.
Building regulations require new homes to achieve a BER rating of A2 or better. Targeting A1 or even Passive House standard costs 5-15% more but delivers significantly lower running costs and superior comfort. An A1 home costs approximately €200 to €500 per year to heat, compared to €800 to €1,200 for an A3 home. Given that you are building from scratch, investing in the highest energy performance you can afford is almost always worth it.
Yes. Most Irish lenders offer self-build mortgages, which release funds in stages as the build progresses (typically 5 to 7 stages). You need planning permission, a site you own or are purchasing, detailed drawings and specification, a builder's quote, and a quantity surveyor's cost assessment. Self-build mortgages typically cover up to 90% of the total cost (site plus build) for first-time buyers and 80% for non-first-time buyers. Some lenders require a Homebond or equivalent warranty.
The build cost is typically 60-65% of the total project cost. Additional costs include: professional fees (architect, engineer, quantity surveyor, assigned certifier) at 10-15% of build cost, site purchase (if applicable), site development (driveway, drainage, landscaping) at €20,000 to €50,000, utility connections (ESB, water, broadband) at €5,000 to €15,000, and local authority levies (development contribution) at €5,000 to €15,000. Also budget a 10% contingency on the build cost.
New Build Construction Quotes by County
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