Repair fascia & guttering.

Neglecting a small leak or a rotting fascia board can lead to significant structural damp and expensive interior repairs. This guide covers everything you need to know about maintaining and repairing your roofline to keep your UK home watertight and secure.

What Does the Work Involve?

• Initial Inspection: A thorough check of the roofline from a ladder or tower to identify leaks, sagging, or wood rot.
• Clearance: Removing debris, moss, and leaves from gutters and downpipes to restore proper water flow.
• Component Repair: Replacing broken gutter brackets, union joints, or stop-ends to stop persistent leaks.
• Timber Treatment: Cutting out small areas of rot in wooden fascias and treating them with preservative before filling and painting.
• Section Replacement: Removing damaged lengths of uPVC or cast iron and installing new, colour-matched sections.
• Flow Testing: Running water through the system post-repair to ensure the "fall" (angle) is correct and water reaches the downpipes.

Typical Costs

Prices for roofline repairs vary based on the material (uPVC is the standard, while cast iron or aluminium costs significantly more) and the ease of access to your roof. All prices below include VAT and reflect 2025/26 UK averages.

The main cost drivers are access and materials. If a tradesperson can work safely from a ladder or a mobile tower, costs remain low; however, if your home is over three storeys or has a conservatory blocking access, scaffolding will be required.

How Long Does It Take?

• Gutter cleaning and joint sealing: 1–3 hours for a standard semi-detached home.
• Replacing a single length of fascia or guttering: 2–4 hours including setup.
• Full guttering replacement: 1 full day for most average-sized UK homes.
• Full fascia, soffit, and guttering overhaul: 2–4 days depending on the size of the property and weather conditions.

DIY or Professional?

While clearing a ground-floor gutter is a manageable DIY task, most roofline repairs require working at height, which carries significant risk. Professional installers have the correct ladders, safety harnesses, and "outriggers" to work safely without damaging your tiles.

Expert Tip: If you have an older property (pre-2000), your soffit boards may contain asbestos. Never drill or sand these yourself; always hire a professional to test and handle them safely.

Choosing the Right Tradesperson

• Check Insurance: Ensure they have Public Liability insurance that specifically covers "working at height."
• Look for Certifications: Look for members of the Confederation of Roofing Contractors (CORC) or FairTrades.
• Guarantee: Ask for a written guarantee on both the materials (often 10-20 years for uPVC) and the workmanship (usually 12 months).

Questions to ask:

• Do you use scaffolding, or will you be working from ladders?
• Are you replacing the fascia boards entirely, or "capping" over the old wood? (Full replacement is always better).
• How will you dispose of the old materials and debris?

UK Regulations

• Building Regulations Part L: If you are replacing more than 25% of your roofline, you may need to ensure your eaves ventilation is up to current standards to prevent loft condensation.
• Wildlife and Countryside Act 1981: It is illegal to disturb nesting birds. If birds are nesting in your eaves, work must be delayed until the chicks have fledged (usually March to August).
• Asbestos Regulations: Any suspected asbestos soffits must be handled according to HSE guidelines.

Common Problems

• Sagging Gutters: Usually caused by broken brackets or heavy snow/debris weight. If not fixed, water will pool and cause the gutter to fail.
• Rotting Timber Fascias: Often hidden behind uPVC "capping" boards. If the wood underneath is rotten, the nails will eventually pull out, causing the whole system to collapse.
• Leaking Joints: The rubber seals in gutter unions perish over time due to UV exposure. These should be replaced rather than just "patched" with silicone.
• Back-flow: If gutters aren't angled correctly towards the downpipe, water will sit stagnant, attracting mosquitoes and causing rust in metal systems.

Frequently Asked Questions