When a roof repair is needed in Bar Hill, choosing the right material for the job - not just the cheapest or most familiar option - is what determines how long the fix actually lasts.
Ely Roofers carries out roof repairs across Bar Hill and the surrounding area, working on everything from individual broken tiles to chimney stacks, lead flashings, flat roof sections and ridge work. We will always tell you honestly whether a repair is the right course of action or whether the roof has reached the point where a larger piece of work is necessary.
The time a repair takes on site depends on the fault and how easily the roof can be accessed, so ask for an estimated timescale before work begins. Before any work begins, we give a clear assessment of what is needed and why.
The material used in a repair affects how long it lasts, how it looks, and what it costs. Below is a straightforward comparison of the main options across the most common repair types.
Clay tiles are the traditional choice on older properties. They are durable - a good clay tile can last 60 to 100 years or more - and they weather well. The downside is matching. If part of your roof needs re-tiling, getting a close colour and profile match to aged clay tiles can be difficult and sometimes expensive, requiring reclaimed material. Reclaimed clay tiles vary in quality, so they need checking carefully before use.
Concrete tiles are used on a large proportion of homes built from the 1960s onwards. They are cheaper than clay and easier to source in common profiles. Concrete tiles are heavier than clay, which matters if the roof structure is already carrying a significant load. They are also more porous than clay and tend to absorb more moisture over time, which can lead to moss growth and, in frost, surface spalling. A concrete tile roof in good structural order is perfectly sound; the material simply needs more maintenance attention over its lifetime than clay or slate.
Natural slate is the most durable roofing material in common use. Good quality Welsh or Spanish slate can last well over 100 years. Slate is thin, lightweight and sheds water effectively. The challenge with slate repairs is sourcing a match - slate quarries produce material in different thicknesses and textures, and matching the existing roof requires care. Artificial or fibre-cement slates are available as a lower-cost alternative. They are lighter and easier to cut than natural slate, and modern versions have improved considerably. They will not last as long as natural slate - typically 30 to 50 years - but they represent a practical repair option where matching natural slate is not readily available or the budget does not stretch to it.
Ridge tiles have traditionally been bedded and pointed in sand and cement mortar. This is a proven method, but mortar is rigid and cracks as the roof structure moves with temperature over the years. Once cracks develop, water and frost widen them, and the process accelerates.
Dry-fix ridge systems use a mechanical fixing - a rail or clip system - combined with a ventilated union mortar or a foam filler at the ridge junction, rather than relying on mortar alone. The advantages are real: dry-fix systems are more resilient to thermal movement, they do not crack in the same way, and the ventilation built into some systems can help reduce condensation in the loft space. The disadvantages are cost and appearance - dry-fix components are more expensive than mortar, and on an older property where the existing ridge has a traditional mortar finish, a dry-fix system can look conspicuous if only part of the ridge is being replaced.
For a straightforward repair to a mortar-bedded ridge on a property where the mortar has simply aged and cracked in one section, re-bedding in fresh mortar is a sound and proportionate repair. For a full ridge replacement or a roof where the mortar has failed repeatedly, dry-fix is worth the additional cost.
Lead remains the benchmark material for flashings because of its longevity (typically 50 to 100 years in a correctly dressed installation), its flexibility and its ability to be worked into complex shapes. A properly fitted lead flashing at a chimney stack or valley will outlast most other elements of the repair.
Where cost is a primary concern, alternatives exist. Code 4 lead (the standard weight for most flashing applications) costs more than some proprietary flashing tapes, but those tapes carry a much shorter service life - often 10 to 20 years at best, and sometimes far less in exposed positions. Some tapes fail within a few years at joints or where they are exposed to UV. There is also a compatibility issue: some sealant-based products prevent mortar or fresh lead from bonding properly if re-repair is needed later. The honest advice is that lead, correctly specified and fitted, is the better investment for any flashing that is expected to last. Tape and sealant products have a place in temporary or emergency situations, but they are not a long-term replacement.
Traditional torch-on felt (built-up felt) has been used on flat roofs for decades. It is a known quantity, relatively affordable and can be repaired in sections. The limitations are service life - torched-on felt typically lasts 15 to 25 years depending on specification and exposure - and vulnerability to ponding water if the drainage falls are inadequate. Where a flat roof section has suffered a localised split or blister, a felt patch repair is often the right call if the rest of the membrane is in reasonable condition.
EPDM rubber is a single-ply membrane that has become increasingly common for flat roof repairs and replacements. It is flexible, handles thermal movement well and does not become brittle in cold weather the way older felt can. EPDM is typically bonded to the deck using adhesive and is available in large sheets, reducing the number of seams. Fewer seams mean fewer potential failure points. Its expected service life is commonly quoted at 30 to 50 years, though this depends on correct installation and the quality of the deck beneath. EPDM is generally more expensive than felt for the same area, but the longer interval before the next repair or replacement often justifies the difference.
The right choice between felt and EPDM depends on the current condition of the deck, the size of the affected area and what the rest of the flat roof looks like. If a large proportion of the membrane is deteriorating, a full re-cover in EPDM makes more sense than continued felt patching. If the damage is localised and the existing membrane is sound, a felt patch is a proportionate and cost-effective repair.
UK roof repair costs vary with the type of work and the material chosen. Some typical ranges to give you a starting point:
These figures are guides only. An accurate price requires a proper inspection, because what is visible from the ground rarely tells the full story.
Like-for-like repairs generally do not require planning permission in England. If you are changing the material - for example, switching from concrete tiles to natural slate - this may be a material alteration on a listed building or in a conservation area, in which case consent is needed. If in doubt, speak to your local planning authority before work starts.
Can you re-secure loose ridge tiles after a storm?
Yes. Ridge tiles that have shifted or lifted after wind can be re-bedded in fresh mortar. Where the mortar has repeatedly failed, we can advise on whether a dry-fix system is worth considering for that section.
What are the signs my roof needs repairing?
Ceiling stains, visible slipped or missing tiles, failed mortar at the ridge or verge, daylight visible from the loft, persistent moss build-up lifting tile edges and overflowing gutters that are wetting the fascia board are all worth investigating.
Do you offer emergency roof repairs?
If your property is exposed to the weather after storm damage or sudden failure, it is worth calling a roofer promptly. Describe the situation when you call.
Can you repair a roof another roofer has already worked on?
Yes. We will assess what is there, tell you what was done well and what needs attention, and give you a price for the work required.
If your roof needs attention, call Ely Roofers to arrange an inspection in Bar Hill. We will look at the roof properly, explain which materials are appropriate for your situation and give you a clear price before we start.
No obligation · We usually respond within 2 hours
Storm damage, active leak, damaged ridge - we aim to be on-site within 24 hours.
