Roof Repairs UK helps you compare free, no-obligation quotes from local roofers for felt roof repairs on:
- extensions and kitchen roofs
- garages, sheds and carports
- bay roofs and porch roofs
- dormers and small commercial flat roofs (where available)
Describe the felt roof issue + add your postcode to get free repair quotes.
Common Felt Roof Problems (And What They Usually Mean)
| What you notice | Likely cause | Typical repair approach |
|---|---|---|
| Drips inside or damp ceiling | Split felt, failed lap, puncture | Patch repair, reseal joints, check edges |
| Bubbling / blistering | Trapped moisture, ageing felt | Cut out blister, patch properly, improve ventilation |
| Felt lifting at edges | Failed adhesive, wind uplift, weak trims | Re-secure edges, replace trims, reseal perimeter |
| Cracks around rooflights/upstands | Poor detailing, movement | Rework junction, add reinforcement, reseal |
| Moss and debris build-up | Standing water, poor flow | Clear debris, check falls and outlets |
| Soft/sagging areas | Wet insulation or rotten decking | Replace deck/insulation locally, then re-felt |
Why Felt Roofs Leak
Most felt leaks come from predictable weak points. Therefore, a roofer will often check these areas first:
- laps and seams
- edge trims and corners
- rooflight/upstand junctions
- outlets, gutters and drip edges
- areas where water ponds after rain
If the felt has aged across the whole roof, a patch might not last. In that case, a roofer may recommend a re-cover or replacement.
Felt Roof Repair Cost Guide (UK)
Prices depend on roof size, access, and whether the roofer needs to replace wet decking beneath the felt.
| Felt roof repair type | Typical cost range | Notes |
|---|---|---|
| Small felt patch repair | £200–£600 | For splits, punctures, small leaks |
| Repair lifted edge / replace trims (localised) | £200–£700 | Often fixes persistent drips |
| Repair around rooflight/upstand | £250–£800 | Junction work adds complexity |
| Replace wet decking (small area) + re-felt | £400–£1,600 | Common when soft spots appear |
| Re-felt a small garage roof | £900–£2,800 | Depends on size and layers |
| Re-cover an extension flat roof | £1,200–£4,500 | Depends on size and detailing |
| Scaffolding (if required) | £450–£1,500+ | Depends on height and access |
Tip: Ask whether the roofer will inspect the decking under the leak area. Otherwise, a surface repair may hide rotten timber and the leak can return.
Repair vs Re-Felt: When Does Felt Need Replacing?
A local repair often works well when:
- the felt is generally in good condition
- the leak comes from one clear split, puncture, or edge failure
- the roof doesn’t have widespread blistering
A re-felt or replacement often makes more sense when:
- you see multiple blisters and cracks across the roof
- leaks appear in more than one area
- the roof has soft spots or widespread ponding
- previous patches keep failing
What a Good Felt Roof Repair Quote Should Include
| Item to look for | Why it matters |
|---|---|
| Clear diagnosis of the leak source | Prevents repeat call-outs |
| Repair method (patch, edge repair, junction rework) | Ensures correct scope |
| Whether decking/insulation will be checked | Finds hidden water damage |
| Drainage check (outlets and falls) | Reduces ponding and future leaks |
| Access method (ladders/scaffold) | Affects safety and price |
| Waste removal and making good | Avoids hidden extras |
What You Can Do While You Wait (Safe Steps)
You can reduce internal damage without taking risks:
- Contain drips indoors with buckets and towels
- Move furniture and electrics away from wet areas
- Take photos of the leak and the roof surface from a safe position
- Note when it leaks (heavy rain, constant drip, after snow)
- Avoid walking on the roof if it feels soft or slippery
How to Get Felt Roof Repair Quotes
Step 1: Describe the problem
For example: “felt roof bubbling”, “edge lifting”, “leak near rooflight”, or “garage felt roof split”.
Step 2: Add your postcode
Then roofers who cover your area can respond.
Step 3: Compare quotes and choose
Finally, compare scope, materials, access requirements, timescales, and cost.
Get Free Felt Roof Repair Quotes
FAQs – Felt Roof Repairs
Can you patch a felt roof leak?
Yes, often. A roofer can patch splits and punctures and reseal weak seams. However, if the felt has aged across the roof, patches may not last.
Why is my felt roof bubbling?
Bubbling often happens when moisture gets trapped or when the felt has started to degrade. Therefore, the roofer may cut out the blister and patch it properly.
Can you repair felt in cold or wet weather?
Roofers can repair felt in many conditions, although they often need a dry window for the best bond and finish.
How do I know if my felt roof needs replacing?
Multiple leaks, widespread blistering, and soft decking usually point towards replacement rather than another patch.
How long should a felt repair last?
A proper repair can last for years when the roofer fixes the root cause and the surrounding felt remains sound.