Free Roofing Tools & Calculators for Ireland
Plan your roofing project with free Irish roofing calculators. Estimate repair costs, compare materials, check grants, and prepare for quotes with clearer numbers.
Roof leak or storm damage
Start with an urgent cost estimate, then check likely insurance cover and next actions.
Planning a replacement
Compare full reroof budgets, flat roof systems, and the best material fit for your property.
Improving energy efficiency
Check likely grants, insulation savings, and whether an attic conversion changes your best option.
Buying or reviving an older house
Use these tools before buying a second-hand property or planning a vacant / derelict refurbishment.
🏚️ Buyer, Grant & Refurbishment Tools
Buyer Roof Risk Checker
Gauge likely roof risk before bidding on a second-hand house.
Derelict Grant Checker
See whether a vacant or derelict property needs a roof-first refurbishment plan.
Refurbishment Budget Tool
Estimate likely roof spend for renovation, inherited, or long-vacant properties.
Get Your Free Roofing Quote
Tell us about your project and receive a detailed quote within 24 hours
Get Free Quote →💰 Cost Calculators
New Roof Calculator
Full roof replacement costs by size, material, and extras.
Roof Repair Calculator
Estimate costs for tile replacement, leaks, chimney work, and more.
Flat Roof Calculator
GRP, felt, EPDM flat roof costs per m².
Slate Roof Calculator
Natural and synthetic slate repair and replacement costs.
Chimney Repair Calculator
Flashing, repointing, and chimney repair costs.
Gutter Calculator
Gutter replacement, repair, and fascia costs.
Velux Skylight Calculator
Velux window installation and replacement costs.
Roof Felt Calculator
Cost to re-felt shed, garage, and extension roofs.
Garage Roof Calculator
Single and double garage roof replacement costs.
Green Roof Calculator
Living roof and sedum installation costs.
Attic Conversion Calculator
Dormer and loft conversion costs.
Roof Insulation ROI Calculator
Calculate payback period and return on insulation investment.
🚨 Emergency & Insurance Tools
💰 Grants & Savings
SEAI Grant Checker
Check if you qualify for up to €3,000 in roof insulation grants.
Energy Savings Calculator
Calculate annual savings from roof insulation upgrade.
SEAI Grants Guide
Complete guide to applying for government insulation grants.
🤔 Decision Tools
Roof Problem Diagnoser
Answer questions to identify your roof issue and get repair estimates.
Repair or Replace Quiz
Should you repair or replace your roof? Get expert recommendation.
Material Comparison Tool
Compare roof materials by cost, lifespan, and suitability.
Roof Lifespan Calculator
How many years does your roof have left?
DIY Inspection Checklist
15-point safety guide for checking your roof condition.
Need Expert Advice?
Our calculators give estimates, but every roof is unique. Get a free, accurate quote from our experienced team.
Why Use Our Tools?
Accurate Estimates
Based on real 2025 prices from Dublin contractors
Instant Results
No email signup required, see results immediately
Grant-Aware
Tools factor in SEAI grants and savings
Expert Guidance
25+ years roofing experience built-in
Popular questions about roofing calculators
Which roofing calculator should I use first?
Start with the calculator that matches your immediate goal: repair calculator for leaks, storm estimator for weather damage, new roof calculator for replacements, and SEAI grant checker for insulation upgrades.
Are these roofing cost tools based on Irish prices?
Yes. The tools are written for Irish homeowners and use local euro pricing, typical labour assumptions, and common roofing materials used across Dublin and the wider Irish market.
Can I use these tools before asking for a quote?
Yes. They are designed to help you shortlist options, understand likely budgets, and ask better questions before you request a free quote.