Quick Answer: Garage roof repair costs in Dublin range from €200-€500 for small repairs and patches, €500-€1,500 for major repairs, €1,000-€2,000 for full felt replacement, and €2,000-€4,000+ for premium EPDM or GRP (fibreglass) replacement. The exact cost depends on garage size, roof condition, and materials chosen.
Keep reading for our complete 2026 Dublin pricing breakdown with specific examples...
If you're staring at a leaking garage roof or peeling felt, you're probably wondering: "How much is this going to cost me?" Whether you're in Dublin 15, Tallaght, or Dún Laoghaire, garage roof repairs are one of the most common jobs we handle - and one where prices can vary wildly between contractors.
Here's the honest breakdown of what you should expect to pay in Dublin in 2026.
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Why Garage Roofs Fail in Dublin
Before we dive into costs, it helps to understand why garage roofs fail so often in Ireland:
- Age: Most felt garage roofs were installed 15-25 years ago and are now past their lifespan
- Dublin Weather: Heavy rain, frost cycles, and standing water destroy felt membranes
- Poor Original Installation: Many garage roofs were done cheaply with thin felt
- Inadequate Drainage: Flat or nearly-flat roofs are notorious for pooling water
- UV Degradation: Summer sun breaks down felt and cheaper materials
If your garage was built in the 1990s or early 2000s, chances are the felt roof is reaching the end of its life. The good news? Modern replacement options like EPDM and GRP last 25-50 years.

Garage Roof Repair Costs Dublin 2026
Here's what Dublin homeowners are actually paying for garage roof work right now:
Small Repairs & Patches (€200 - €500)
Perfect for minor damage that hasn't spread:
| Repair Type | Price Range | What's Included |
|---|---|---|
| Patch repairs (tears/holes) | €200 - €350 | Localised patching of damaged areas |
| Flashing repairs | €150 - €300 | Resealing where roof meets wall |
| Gutter clearing/minor fixes | €100 - €200 | Clearing debris, minor repairs |
| Small leak repairs | €200 - €400 | Finding and sealing leak source |
| Resealing joints | €150 - €300 | Sealing around edges and joints |
When patches make sense: If your roof is under 10 years old and has isolated damage, patching can extend its life for several more years. But if you're patching an old, worn roof, you're often just delaying the inevitable.
Major Repairs (€500 - €1,500)
When damage is more extensive but full replacement isn't necessary:
| Repair Type | Price Range | What's Included |
|---|---|---|
| Partial re-felt (50%) | €500 - €900 | New felt on damaged sections |
| Multiple leak repairs | €400 - €800 | Comprehensive leak investigation |
| Fascia/soffit repairs | €300 - €600 | Rotted timber replacement |
| Drainage improvements | €300 - €600 | Adding outlets, improving fall |
| Structural timber repairs | €400 - €1,000 | Replacing rotted joists/boards |
Important: If you're spending €800+ on repairs to an old felt roof, seriously consider whether full replacement with EPDM makes more financial sense long-term.
Full Garage Roof Replacement Costs
This is where the real decision comes in. Your three main options:
Option 1: Felt Replacement (€1,000 - €2,000)
| Garage Size | Single-Layer Felt | High-Performance Felt |
|---|---|---|
| Single garage (12-15m²) | €1,000 - €1,400 | €1,400 - €1,800 |
| Double garage (24-30m²) | €1,800 - €2,500 | €2,500 - €3,200 |
Pros: Lowest upfront cost, quick installation (1 day)
Cons: Shortest lifespan (10-15 years), needs maintenance, UV damage
Best for: Budget-conscious homeowners, garages not attached to house
Option 2: EPDM Rubber Replacement (€2,000 - €4,000)
| Garage Size | EPDM Price Range | Lifespan |
|---|---|---|
| Single garage (12-15m²) | €2,000 - €2,800 | 25-40 years |
| Double garage (24-30m²) | €3,200 - €4,500 | 25-40 years |
Pros: Excellent lifespan, flexible (handles movement), low maintenance, recyclable
Cons: Higher upfront cost, requires skilled installation
Best for: Dublin's wet climate, long-term value, attached garages

Option 3: GRP/Fibreglass Replacement (€2,500 - €5,000)
| Garage Size | GRP Price Range | Lifespan |
|---|---|---|
| Single garage (12-15m²) | €2,500 - €3,500 | 30-50 years |
| Double garage (24-30m²) | €4,000 - €6,000 | 30-50 years |
Pros: Most durable, completely seamless, walk-on capability, excellent aesthetics
Cons: Highest cost, requires dry weather for installation, rigid (can crack on unstable structures)
Best for: Maximum lifespan, garages used as workshops, properties for sale
Need Expert Roofing Advice?
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What Affects Your Garage Roof Repair Cost?
Several factors will push your quote up or down:
1. Garage Size & Configuration
- Single garage (12-15m²): Standard pricing
- Double garage (24-30m²): Roughly double the cost
- Complex shapes: Additional labour for detailing
2. Access & Working Conditions
- Easy access: Standard pricing
- Limited access: May add €200-€400 for scaffolding/equipment
- Height factors: Two-storey garages cost more
3. Existing Roof Condition
- Sound deck boards: Can overlay existing
- Rotten timbers: Add €300-€800 for replacement
- Major structural issues: Can add €1,000+ for repairs
4. Drainage & Detailing
- Simple rectangle: Standard pricing
- Multiple outlets needed: Add €100-€200 each
- Complex flashings: Add €200-€400
5. Insulation Requirements
Adding insulation during replacement:
| Insulation Type | Additional Cost |
|---|---|
| Basic 50mm boards | €200 - €400 |
| 100mm high-performance | €400 - €700 |
| Full warm roof upgrade | €800 - €1,500 |
Worth considering: If you use your garage as a workshop or storage, insulation pays for itself in prevented condensation damage and comfort.
Felt vs EPDM vs GRP: Which Should You Choose?
Here's our honest recommendation based on hundreds of Dublin garage roofs:
Choose Felt If:
- Budget is your primary concern
- Garage is detached and not heavily used
- You plan to move within 5-10 years
- You're comfortable with potential future repairs
Choose EPDM If:
- You want best value over 20+ years
- Garage is attached to house (prevents water damage spread)
- You want minimal maintenance
- Dublin's wet weather concerns you
Choose GRP If:
- You want maximum lifespan
- Garage is used as workshop/office
- You want a walk-on surface
- Property value is a priority
Our recommendation for most Dublin homeowners: EPDM rubber. It hits the sweet spot of durability, value, and performance in Irish weather. We've installed EPDM garage roofs across Blanchardstown, Castleknock, Lucan, and throughout Dublin - and the feedback has been consistently excellent.
Frequently Asked Questions
Warning Signs Your Garage Roof Needs Attention
Don't wait until you're stepping around buckets. Look for:
- Visible bubbles or blisters in felt
- Cracks or splits especially around edges
- Standing water that doesn't drain within 48 hours
- Damp patches on garage ceiling or walls
- Moss or vegetation growing on the roof
- Felt lifting at edges or around flashings
- Water stains on stored items
Pro tip: Check your garage roof after heavy rain. If water is pooling or seeping in, address it before winter when damage accelerates.

How to Get the Best Value on Garage Roof Repairs
Here's how to ensure you're not overpaying:
- Get 3 quotes from local, reputable roofers
- Ask what's included - materials, labour, waste removal, guarantees
- Check reviews on Google, Facebook, trusted trader sites
- Ask about material brands - not all EPDM/GRP is equal quality
- Consider long-term value - cheapest upfront often costs more overall
Dublin Garage Roof Specialists
At Secure Top Roofing, we specialise in garage roof repairs and replacements across Dublin. We've worked on garages in Dublin 15, Swords, Malahide, Drumcondra, Dundrum, and throughout the city.
What sets us apart:
- Free, detailed quotes with no obligation
- Honest advice - we'll tell you if repair makes more sense than replacement
- Quality materials - we only use leading brands
- 10-year workmanship guarantee on all replacements
- Clean, professional service - we leave your property spotless
Whether you need a quick patch or a complete EPDM upgrade, we'll give you honest advice on the best solution for your budget and needs.
Get Your Free Garage Roof Quote
Ready to fix your roof? Get a detailed, no-obligation quote from Dublin's trusted roofing experts. Most quotes provided within 24 hours.
✅ Free Quote • Same-Day Response • 10-Year Guarantee • All Dublin Areas

