roof leak detection in Derby (71)

It’s safer and more effective to hire a professional. Roofing repairs involve:

Working at height

Identifying hidden structural issues

Complying with building regulations

Professionals also bring warranties, insurance, and the right tools for the job. If safety, time, and quality matter — hire a roofer.

Here are some of the benefits of hiring a roofing repair expert in London:

An experienced roofing repair specialist will have the expertise to identify and fix a wide range of roof problems

Reputable roofing professionals use high-quality materials and techniques to ensure a durable and long-lasting repair

Roofing experts are trained to work safely at heights

Professional roofing services should have insurance coverage that protects you from potential liability issues

Many experienced roofing repair companies in London offer warranties on their work to give you peace of mind

A professional will understand local building codes and regulations and will carry out compliant work

Get tips and advice for finding the right tradesperson for the job in our guide to hiring roofing experts near you.

We recommend:

Annually, ideally in spring or autumn

After major weather events (e.g. storms, hail)

If your roof is over 20 years old

✅ Regular inspections catch issues early — and can extend your roof’s lifespan by 10+ years.

Benefits of regular roof inspections:

Here are some of the reasons why it pays to have your roof inspected regularly:

It helps detect minor problems early before they escalate into more costly major repairs

It can significantly extend the lifespan of your roof

You can reduce the risk of water damage by preventing leaks before they happen

A well-maintained roof can increase the value of your property

Enjoy peace of mind that your roof is in good condition

Ask about:

Years of experience and qualifications

Past projects and customer reviews

Roofing materials used

Insurance cover (public liability & workers’ compensation)

Workmanship warranties

Written estimates and payment terms

By speaking to roofers in your area and asking key questions, you should quickly get an idea of which professional you want to hire.

For more tips and advice, read our guide to finding the best roofers near you.

Here are the average costs to repair a bay window roof:

• Lead flat roof - £97.50 per m2

• Fibreglass flat roof - £107.50 per m2

• Felt flat roof - £50 per m2

• EDPM flat roof - £85 per m2

• Slate or clay tiled roof - £137.50 per m2

Read our detailed bay window roof repair cost guide for a closer look at current prices.

The cost of repairing a bay window roof will vary depending on the following factors:

• Roof material - Bay window roofs are made from various materials. Repair costs differ for lead, felt, fibreglass and rubber bay window roofs

• Window size - Larger bay windows have higher roof repair costs

• Extent of the damage - Tradespeople often charge per m2 for bay roof repairs. The larger the damaged area, the more expensive the job will be

• Access - Repair costs will be higher if scaffolding is needed to safely access your bay window’s roof
• Location - Where you live in the UK will impact labour costs