Roof Repairs in Newmarket

Expert Roof Repairs
in Newmarket

What Roof Repairs Actually Involve

A roof repair is any targeted fix that stops water getting in or prevents a small problem from becoming a bigger one. That covers replacing broken or slipped tiles, repointing a crumbling ridge, cutting out and re-bedding a failed flashing, or stripping back a section of felt that has split beneath the tiles. The scope of the job depends entirely on what is causing the problem, not on how the roof looks from the ground.

At Cambridge Roofers we repair leaking roofs, replace damaged tiles, repoint ridges and fix failed flashings for homeowners in Newmarket and the surrounding area. Where a targeted fix will solve the issue, that is what we quote. We do not recommend a full re-roof if a repair will do the job properly.

Warning Signs Your Roof Needs Attention

Most roof problems announce themselves well before they cause serious damage inside the house. Knowing what to look for means you can act before a small repair becomes an expensive one.

• Damp patches on ceilings or walls - A water stain on a ceiling, especially after rain, is one of the clearest signs that water is getting through the roof covering or a flashing. The stain is rarely directly below the entry point; water travels along rafters and battens before dripping down.
• Missing, cracked or slipped tiles - Tiles that have slipped out of line or cracked let rainwater run directly onto the roofing felt beneath. Felt is a secondary defence only; it will not hold indefinitely once it is taking the full load of water that should be shedding off the tiles.
• Dark streaks or moss on the roof surface - Heavy moss growth traps moisture against the tiles and can lift their edges over time, allowing wind and water underneath. It also adds weight that older battens may not be designed to carry.
• Crumbling or white-stained mortar on the ridge - The ridge tiles sit at the very top of the roof and are bedded in mortar. That mortar cracks over time as it moves with temperature changes. Once it starts to fail, wind can lift the tiles and water can get into the roof structure at the highest and most vulnerable point.
• Lead flashings that have lifted or cracked - Flashings seal the join between the roof covering and a chimney, dormer, or parapet wall. Lead expands and contracts with heat and cold, and older or poorly fitted flashings lose their grip on the masonry. A lifted or cracked flashing is one of the most common routes for water into a house.
• Daylight visible in the loft - If you can see daylight through the roof when standing in the loft, water can get through the same gap. This is especially worth checking after a windy spell.
• Gutters full of granules or tile fragments - Finding small pieces of tile or gritty granules in your gutters is a sign that the roof covering is deteriorating. On older concrete tiles this can indicate that the surface is breaking down; on flat roofs covered with mineral-surfaced felt it suggests the felt is nearing the end of its life.
• A musty smell in upper rooms - Persistent damp smells without an obvious indoor source can indicate slow water ingress that has not yet shown as a visible stain. By the time you smell it, insulation or timber may already be damp.

What Causes These Problems

Understanding why roof problems happen helps you decide how urgently to act and what questions to ask a roofer. Most failures come down to a handful of causes.

Age and Material Breakdown

Clay and concrete tiles are long-lasting, but the mortar that beds ridge tiles and the nibs or clips that hold individual tiles in place degrade over decades. A roof that was laid 40 or 50 years ago will have mortar that has long since lost its flexibility. Once it starts to crack, frost accelerates the process by getting into the gaps and expanding. Concrete tiles in particular can become porous as they age, absorbing water rather than shedding it.

Roofing felt beneath the tiles is a secondary waterproofing layer. It is not designed to last as long as the tiles themselves. On roofs from the 1970s and 1980s, that felt may now be brittle and cracked, meaning that any tile that slips or breaks leaves a direct route for water into the structure.

Wind Damage

In exposed positions, wind can lift tiles that are not clipped or are held only by their own weight. Ridge tiles are particularly vulnerable because they sit proud of the roof and have less purchase on the mortar as it ages. Verge tiles at the edges of the roof also take significant wind load. A single tile lifted by wind is a repair; ignored, several tiles come loose and the felt below is exposed to months of rain before anyone notices.

Failed Flashings

Lead is the standard material for flashings because it is durable and malleable. However, lead flashings fitted without adequate fixings, or pointed with a mortar mix that is too rigid, will crack as the lead moves. Mortar-only pointing fails regularly on older chimneys; the lead needs to be tucked into a cut chase in the masonry and held with lead wedges, then pointed with a suitable flexible sealant or mastic over the top. A flashing that has simply been dressed over the surface and sealed with a general-purpose adhesive will not last.

Blocked or Overflowing Gutters

A blocked gutter is not a roofing problem in itself, but water backing up and sitting against the fascia and the lowest courses of tiles causes rot and tile damage over time. On roofs where the felt is already tired, standing water in the gutter valley can work back under the tiles. Keeping gutters clear is one of the most cost-effective ways to extend the life of a roof.

Poor Previous Repairs

A common problem is a previous repair that has masked the real fault or introduced a new one. Cement applied over a flashing, for example, holds initially but shrinks and cracks as it cures, leaving a route for water that was not there before. Silicone sealant used on a ridge or around a chimney is a short-term fix that needs repeating every few years. If your roof has had previous patch repairs and is still leaking, it is worth having the whole affected area inspected rather than adding another layer of sealant on top.

How Much Do Roof Repairs Cost?

Typical roof repair costs in the East of England vary with the size and nature of the job. As a rough guide:

• Replacing one or two broken tiles - 150 to 300 pounds, depending on access and tile type
• Repointing a ridge section (3-4 metres) - 300 to 500 pounds
• Re-bedding and repointing a full ridge on a semi-detached house - 600 to 1,000 pounds
• Re-leading a chimney flashing - 400 to 800 pounds depending on the chimney size and how much lead is involved
• Flat roof repair (felt patch or EPDM repair) - 200 to 600 pounds for a localised repair

These are typical current UK ranges. The actual cost depends on scaffolding requirements, the pitch and height of the roof, and the materials needed. Any quote should specify exactly what work is included, what materials will be used, and whether the price covers making good if further deterioration is found once the roof is open.

What to Ask Before You Agree to a Repair

Before any roofer starts work, it is reasonable to ask the following:

• Can you show me where the problem is, either on the roof or in photographs?
• Is this a repair or does the whole area need replacing?
• What material will you use - like-for-like, or a substitute, and why?
• Will you need scaffolding, or can the job be done safely from a ladder or tower?
• What happens if you find further damage once you start?

A roofer who cannot answer these clearly before starting the job is one to be cautious about.

Roof Repairs Across the Newmarket Area

We carry out repairs for homeowners in Newmarket and in nearby towns and villages including Cambridge, Histon, Impington, and further afield across the area. If you are not sure whether a job is within our reach, call us and ask.

If you have noticed any of the warning signs above, do not wait for the next heavy rain to confirm the problem. Call us to arrange a roof survey and we will tell you honestly what needs doing and what it is likely to cost.