Estimated Price Guide for New Builds and Extensions in Ireland
Building a home or extending an existing one is a major financial decision, and understanding the typical price ranges helps you plan effectively and avoid unexpected costs.
Below is a comprehensive, rough cost guide compiled by EverBuild Property Services, reflecting average 2025 construction rates in Ireland.
These figures are intended to help homeowners budget realistically — actual prices depend on site location, materials, design complexity, access conditions, and energy specifications.

🏠 New Build Home Construction Costs
Average Cost per Square Metre
Basic Specification
Standard build, painted walls, basic kitchen & bathroom, double-glazed windows€2,000 – €2,300/m²Mid-Range Specification
Higher-quality finishes, modern kitchen & bathroom suites, energy-efficient glazing, underfloor heating€2,300 – €2,700/m²
High-End Specification
Premium materials, bespoke joinery, triple-glazed windows, smart-home features, A-rated efficiency€2,800 – €3,200+/m²
💡 For a 3-bedroom, 2-storey house (approx. 170m²), the total build cost ranges between €230,000 – €310,000, depending on finishes and energy upgrades.
Typical New Build Component Breakdown
Site Preparation & Groundworks
Excavation, foundations, drainage, concrete base€20,000 – €35,000
Walls & Structure
Blockwork or timber frame, insulation, structural steel€30,000 – €50,000
Roofing
Trusses, felt, battens, roof tiles/slates€18,000 – €25,000
Windows & External Doors
Double or triple glazed, composite front door€10,000 – €18,000
Electrical & Plumbing
Wiring, heating system, underfloor heating, boiler or heat pump€18,000 – €28,000
Interior Finishes
Plastering, flooring, painting, skirting, doors€20,000 – €30,000
Kitchen & Bathrooms
Fit-out, tiling, appliances, sanitary ware€15,000 – €25,000
Attic/Office Fit-Out
Flooring, insulation, roof windows, finishes€8,000 – €15,000
External Works
Driveway, pathways, boundary walls, landscaping€6,000 – €15,000
Compliance & Certification
BC(A)R certification, BER, snag list, utilities connection€3,000 – €5,000
💰 Estimated Total for New Build:
€210,000 – €320,000+ (depending on site location and specification)
🧱 Extension Costs (Single & Two-Storey)
Average Cost per Square Metre
Single-Storey Extension
Kitchen/dining room or rear living area €2,000 – €2,600/m²
Two-Story Extension Adds bedrooms/bathrooms above ground floor€2,400 – €2,900/m²
High-End or Glazed Extension Includes structural glass, bi-fold doors, bespoke finishes€2,800 – €3,200+/m²
Example: A 30m² kitchen-dining extension typically costs €60,000 – €78,000, while a 50m² two-storey addition may range €115,000 – €145,000, excluding interior furniture or appliances.
Extension Cost Breakdown
Site & Foundations
Groundwork, excavation, drainage€10,000 – €20,000
Structure & Walls
Blockwork or frame, insulation, roof supports€15,000 – €30,000
Roofing
Flat or pitched roof, membranes, rooflights€8,000 – €15,000
Windows & Doors
Sliding, folding, or picture windows€5,000 – €10,000
Plumbing & Electrics
Heating, sockets, lighting, pipework€6,000 – €12,000
Internal Finishes
Plaster, flooring, skirting, paint€6,000 – €10,000
Kitchen / Bathroom Fit-Out
Fixtures, tiling, cabinets, counters€8,000 – €20,000
External Works & Tie-In
Driveway repair, wall removal, structural opening€3,000 – €8,000
💰 Typical Total Range:
€50,000 – €120,000+ (based on size, access, and specification)
🏗️ Additional Costs to Consider
Architectural Drawings & Design
Planning drawings, working drawings€2,000 – €5,000
Planning Permission Fee
Local authority fee (if applicable)€65 – €90
Engineer / Structural Certs
Foundations, roof, BC(A)R compliance€1,000 – €3,000
Assigned Certifier
Required under BC(A)R regulations€800 – €1,500
BER Certification
Energy rating post-build€200 – €400
Snag List Inspection
Independent inspection€250 – €500
Utilities Connections
Water, ESB, broadband setup€2,000 – €5,000
⚡ Energy Efficiency & Modern Upgrades (Optional Add-Ons)
Modern homes and extensions benefit from smarter, greener technologies. Approximate add-on costs include:
Air-to-Water Heat Pump
Replaces oil/gas boiler€7,000 – €12,000
Underfloor Heating System
Even heat distribution€3,000 – €8,000
Solar PV System
Renewable energy source€4,000 – €7,000
Triple Glazing
Improves BER rating€2,000 – €4,000 extra
Mechanical Ventilation (MVHR)
Fresh air system€3,000 – €5,000
Insulation Upgrade
Roof, cavity, floor insulation€3,000 – €6,000
These upgrades improve comfort, reduce running costs, and increase resale value — while helping homes meet Part L NZEB standards under Irish Building Regulations.
🌳 Landscaping, Driveways & Finishing Touches
Tarmac or Gravel Driveway Average 100m² area€3,000 – €8,000
Paving or Patio Area High-quality flagstones or porcelain€2,500 – €6,000
Boundary Walls / Fencing Masonry or timber€1,500 – €5,000
Garden Design / Lawns Turfing, planting, lighting€1,000 – €4,000
🧾 Summary Overview
New Build (3–4 Bed Home, 160–200m²)€230,000 – €320,000+
Single-Storey Extension (20–40m²)€45,000 – €95,000
Two-Storey Extension (40–60m²)€90,000 – €145,000
High-End / Glazed Extension€120,000 – €180,000+
Kitchen Renovation (Medium Spec)€15,000 – €30,000
Attic Conversion (Office/Bedroom)€12,000 – €20,000
Full Home Renovation (150m²)€150,000 – €250,000+
⚠️ Important Disclaimer
All figures shown above are approximate guide prices only and are based on average market rates in Ireland (2025).
Final costs depend on numerous factors, including site conditions, design complexity, finishes, location, and material availability.
Prices are not official quotations and should be used solely for budgeting and informational purposes.
For an accurate, detailed quotation tailored to your project, please contact:
📞 EverBuild Property Services
Your trusted partner for New Builds, Extensions, and Renovations across Dublin, Wicklow, and surrounding counties.

How We Work — New Builds & Extensions
At EverBuild Property Services, we believe that every successful build starts with trust, planning, and clear communication.
Whether it’s a brand-new home or a beautifully crafted extension, our process is built around transparency, precision, and professionalism — from the very first consultation to the day we hand over the keys.
Here’s how we bring your vision to life.
1️⃣ Initial Consultation & Site Visit
Every great project starts with a conversation.
We take the time to understand your goals, budget, and timeline before offering expert advice tailored to your site and requirements.
During this stage, we will:
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Discuss your design ideas, space needs, and lifestyle goals.
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Review site photos, surveys, or drawings (if available).
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Identify any potential planning or structural considerations.
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Provide a clear outline of what’s possible within your budget.
We then arrange a site visit to assess the location, access, and conditions — ensuring our recommendations are practical, compliant, and cost-efficient.
2️⃣ Design & Planning Stage
Once we understand your vision, our team collaborates with experienced architects, engineers, and design partners to develop professional plans.
During this phase, we will:
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Prepare design drawings and floor layouts.
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Handle planning permission submissions (if required).
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Ensure full Building Regulations and BC(A)R compliance.
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Incorporate modern energy-efficient solutions such as insulation, glazing, and heat pumps.
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Help you visualise the final build with detailed 3D renderings (optional).
Our goal is to ensure your design not only looks beautiful but also functions perfectly and meets all Irish building standards.
3️⃣ Transparent Quotation & Agreement
We pride ourselves on honest, itemised pricing.
Once designs are finalised, we provide a detailed written quotation outlining all costs — including materials, labour, and timelines — so there are no hidden surprises.
You’ll receive:
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A comprehensive project quote broken down by stage.
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Clear start and completion dates.
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Payment schedule linked to milestone achievements.
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Options for material upgrades or alternative finishes.
Once approved, both parties sign a project agreement, ensuring full transparency and accountability throughout.
4️⃣ Pre-Construction Preparation
Before we begin, we make sure every detail is ready:
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Confirm planning approval and BC(A)R documentation.
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Arrange all required insurance and site safety plans.
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Schedule materials and trades to ensure an efficient workflow.
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Communicate your project timeline clearly, including any expected disruptions.
Our preparation ensures a smooth, organised build from day one.
5️⃣ Construction Phase
Now the exciting part begins — watching your home come to life.
Our skilled tradesmen, engineers, and project managers work seamlessly to deliver high-quality workmanship while keeping you informed every step of the way.
What you can expect:
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Professional on-site management by our foreman.
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Regular progress updates and photos.
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Coordination with certifiers and inspectors.
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Strict adherence to safety, quality, and environmental standards.
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Efficient problem-solving if unexpected site conditions arise.
We work respectfully in and around your property, minimising disruption wherever possible.
6️⃣ Quality Control & Inspections
EverBuild’s commitment to excellence means we inspect every stage of construction.
We work closely with your assigned certifier or engineer to ensure the build meets all Irish building regulations, including structure, insulation, and fire safety.
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Internal quality checks are carried out daily.
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External inspections are scheduled at key milestones.
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All materials and workmanship are verified against specifications.
This level of oversight guarantees your home or extension is built safely, correctly, and to the highest standards.
7️⃣ Finishing Touches & Interior Fit-Out
Once the main structure is complete, our finishing team steps in to perfect the details.
From smooth plasterwork and custom carpentry to painting, flooring, and kitchen installations — every surface is finished to an immaculate standard.
We can also assist with:
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Kitchen design and installation.
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Bathroom fit-outs and tiling.
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Electrical and lighting layouts.
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Interior design coordination (optional).
Your new home or extension is cleaned, polished, and presented ready for move-in.
8️⃣ Final Handover & Certification
Before handover, we complete a comprehensive snag list inspection to ensure every element is finished to perfection.
You will receive:
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BC(A)R Completion Certificate (where applicable).
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BER Certificate (energy rating).
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Warranty information for materials and installations.
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Guidance on maintenance and aftercare.
Only when you are 100% satisfied do we consider the project complete.
9️⃣ Aftercare & Ongoing Support
Our relationship doesn’t end when the keys are handed over.
We stand by our work and offer ongoing support for any queries, maintenance, or additional improvements you may need in the future.
Many of our clients return to us years later for additional projects — a testament to the trust and satisfaction we build along the way.
⚙️ Why Clients Choose EverBuild
✅ Transparent, honest pricing — no hidden extras.
✅ Fully qualified, insured, and BC(A)R-compliant team.
✅ Skilled tradesmen with decades of combined experience.
✅ Local expertise across Dublin, Wicklow, and surrounding counties.
✅ Friendly, professional service with a focus on quality and communication.
⚠️ Disclaimer
All information provided above is intended to outline our typical project process.
Actual steps may vary depending on your project size, location, and design requirements.
Timelines and costs are always confirmed in writing before work begins.
📞 Contact EverBuild Property Services today to discuss your new build or extension project.
We’ll guide you through every stage — from the first sketch to the final key handover — with professionalism, quality, and care.