Garage Roof Replacement Cost Calculator
Get an instant estimate for your garage roof replacement project in the UK
Calculate Your Garage Roof Replacement Cost
Estimated cost for your garage roof replacement
This estimate includes both materials and professional installation. Your final cost may vary based on local labour rates, specific material choices, and any additional work required. We recommend obtaining quotes from at least three local roofers for the most accurate pricing.
Garage Roof Replacement Cost Guide
Replacing your garage roof is a significant investment that protects your vehicles and stored items from the elements. The cost varies considerably based on several key factors, but our calculator provides a reliable estimate based on current UK market prices.
Average Costs by Garage Type
| Garage Type | Felt Roof | Rubber EPDM | Tiles/Slates | Metal Sheets |
|---|---|---|---|---|
| Single Garage | £750 – £1,000 | £1,000 – £1,400 | £1,500 – £2,000 | £1,100 – £1,500 |
| Double Garage | £1,000 – £1,500 | £1,400 – £2,000 | £2,500 – £3,500 | £1,800 – £2,500 |
Material Costs Per Square Metre
- Felt: £50 – £80 per m² (most economical option)
- Rubber EPDM: £80 – £120 per m² (excellent durability)
- Fibreglass GRP: £100 – £150 per m² (long-lasting, seamless)
- Tiles/Slates: £70 – £120 per m² (traditional, aesthetic appeal)
- Metal Sheets: £40 – £90 per m² (durable, cost-effective)
Labour Costs
Professional roofers in the UK typically charge between £200 to £300 per day. Most garage roof replacements take 1-2 days to complete, depending on size and complexity. Hourly rates range from £25 to £35 per hour.
Factors Affecting Your Garage Roof Replacement Cost
Size and Type
The dimensions of your garage directly impact the cost. Single garages typically measure 3m x 6m, whilst double garages are approximately 6m x 6m. Pitched roofs generally cost more than flat roofs due to increased complexity and material requirements.
Material Choice
Your choice of roofing material significantly affects both initial costs and long-term value:
- Felt: Most affordable but requires replacement every 10-15 years
- Rubber EPDM: Mid-range cost with 20-25 year lifespan
- Fibreglass: Higher initial cost but can last 30+ years
- Tiles/Slates: Premium option lasting 50+ years
- Metal: Good value with 25-30 year durability
Access and Location
Difficult access increases labour costs due to additional equipment requirements. Factors include:
- Height and pitch of existing roof
- Proximity to boundaries and obstacles
- Need for scaffolding or specialist access equipment
- Regional variations in labour costs
Additional Considerations
Several other factors may affect your final cost:
- Structural repairs to roof timbers
- Insulation upgrades
- Gutter and fascia replacement
- Planning permission requirements
- Waste disposal costs
Money-Saving Tips
Get Multiple Quotes
Always obtain at least three detailed quotes from qualified roofers. This ensures competitive pricing and helps you identify any unusual costs or omissions.
Timing Your Project
Consider scheduling your replacement during off-peak seasons (autumn/winter) when contractors may offer lower rates. However, weather conditions must be suitable for installation.
Material Considerations
Whilst felt is the cheapest option, investing in higher-quality materials like EPDM rubber or fibreglass can provide better long-term value through reduced maintenance and longer lifespan.
DIY vs Professional Installation
Whilst DIY installation might seem cost-effective, garage roof work requires specific skills and tools. Professional installation often includes warranties and ensures proper compliance with building regulations.
Frequently Asked Questions
Most garage roof replacements take 1-2 days for a single garage and 2-3 days for a double garage. Weather conditions and complexity can extend this timeframe.
Generally, garage roof replacement falls under permitted development rights. However, if your garage is attached to your house or in a conservation area, you may need planning permission.
Felt roofs typically need replacement every 10-15 years, whilst higher-quality materials like EPDM or fibreglass can last 20-30+ years with proper maintenance.
Reputable contractors provide workmanship warranties of 5-10 years. Material manufacturers often offer separate guarantees. Check your home insurance covers the work during installation.
Partial replacement is possible but often not cost-effective. New materials may not match existing ones, and labour costs remain similar whether replacing the entire roof or sections.
Clear the garage of vehicles and belongings. Trim overhanging branches and provide clear access. Your contractor should handle all other preparation work.
When to Replace Your Garage Roof
Warning Signs
Several indicators suggest your garage roof needs replacement:
- Persistent leaks or water damage
- Visible cracks, splits, or holes in roofing material
- Sagging or structural deformation
- Moss growth or standing water
- Age exceeding material lifespan
- Energy efficiency concerns
Maintenance vs Replacement
Minor issues like small leaks or loose tiles might be repairable. However, widespread damage or structural problems typically require full replacement. A professional assessment can help determine the most cost-effective approach.