Home Improvement Cost Calculators

Get a realistic idea of what your project might cost before you speak to a contractor. Each calculator uses typical 2026 Dublin prices and explains what pushes the cost up or down.

Typical 2026 Dublin prices
Grants taken into account
What affects the cost
Free quotes from vetted contractors

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How accurate are the calculators?

Each calculator gives a guide range based on typical 2026 Dublin prices including VAT. Your actual quote depends on your property, access, specification and finishes. Use the estimate to set a sensible budget, then get written quotes.

Guides in this section

House Extension Cost CalculatorA finished single-storey extension in Dublin typically costs around €2,500–€3,500 per square metre including VAT, before… Attic Conversion Cost CalculatorMost attic conversions in Dublin cost between €25,000 and €80,000, depending on the type. A simple Velux conversion is t… New Kitchen Cost CalculatorA new fitted kitchen in Dublin typically costs €15,000–€45,000 including appliances and all trades. Units, worktops and … Roof Replacement Cost CalculatorA full roof replacement on a typical Dublin house costs around €15,000–€35,000, while a flat roof replacement is usually… Window Replacement Cost CalculatorNew windows for a typical Dublin three-bed semi usually cost €6,000–€12,000 for uPVC, more for aluminium or timber. SEAI… Bathroom Renovation Cost CalculatorA full bathroom refit in Dublin typically costs €9,000–€20,000, depending on size, fittings and how much plumbing moves.… Heat Pump Cost CalculatorA heat pump for a typical Dublin house costs around €12,000–€20,000 before grants. The SEAI heat pump grant of up to €12… Boiler Replacement Cost CalculatorReplacing a gas boiler in Dublin typically costs €2,800–€4,500 installed. Changing the system type or adding a new hot w… House Rewiring Cost CalculatorRewiring a typical three-bed house in Dublin costs around €7,000–€14,000. Older homes, larger homes and extra sockets or… Solar Panel Cost CalculatorA home solar PV system in Dublin typically costs €6,000–€12,000 before the grant, depending on size and whether you add … Driveway and Patio Cost CalculatorBlock paving in Dublin typically costs €70–€130 per square metre, and porcelain patios €90–€160 per square metre. Enter … Garden Room Cost CalculatorA garden room in Dublin typically costs €20,000–€50,000, depending on size, insulation and finish. Rooms up to 25 square… House Painting Cost CalculatorInterior painting in Dublin typically costs €250–€450 per average room, and exterior painting of a typical semi-detached… Flooring Fitting Cost CalculatorFlooring fitting in Dublin typically costs €15–€30 per square metre for laminate, €20–€40 for LVT, €25–€45 for engineere… Plastering and Skimming Cost CalculatorSkimming a room in Dublin typically costs €350–€900, and replastering a ceiling €400–€1,500. Use the calculator for an e…

Frequently asked questions

Do the calculators include VAT?

Yes. All estimates include VAT at the rate that usually applies to that work.

Why might my quote be different?

Every property is different. Access, ground conditions, structural work and the finishes you choose all affect the final price.