Roof Replacements in Burwell

Expert Roof Replacements
in Burwell

When Repairs Stop Being the Right Answer

Most roofs can be repaired. The question is whether another repair is actually worth paying for, or whether you are spending money on a roof that has already reached the end of its useful life. A full roof replacement costs more upfront, but it ends the cycle of call-outs, patches and temporary fixes that can quietly add up to more than a new roof would have cost.

Knowing when that point has been reached is not always straightforward. Below are the signs that tell experienced roofers a roof is past economical repair, along with the reasons those problems develop in the first place.

Warning Signs That a Roof May Need Replacing

Individual missing or slipped tiles are normal maintenance. What is not normal is tiles coming loose in numbers, or the same area failing again shortly after being fixed. When a repair holds for a year or two and then fails in exactly the same spot, the problem is usually not with the repair itself but with what is happening underneath.

• Repeated leaks after repairs. If water is getting in despite recent work, the underlying felt, battens or structure may be the real issue rather than the surface tiles or slates.
• Sagging or uneven roof lines. A roof that looks wavy or dips in the middle is showing structural movement. This is not a surface problem and it cannot be fixed from the outside alone.
• Widespread cracked or porous tiles. Older concrete tiles in particular absorb water over time and eventually begin to break down. When cracking is widespread rather than isolated, replacement is usually more cost-effective than sourcing and fitting individual matching tiles.
• Moss and algae penetrating the surface. Some surface moss is cosmetic. When it has been left long enough to lift tiles, force open joints or retain water against the felt beneath, it accelerates deterioration significantly.
• Dark staining or damp patches on ceilings or in the loft. Persistent damp in the loft or on upstairs ceilings is rarely caused by a single failed tile. It often points to felt that has split, battens that have rotted, or flashing that has failed at more than one point.
• A roof over 50 to 60 years old. Most pitched roofs using concrete tiles have a practical lifespan of around 40 to 60 years. Natural slate lasts longer, but the felt and battens beneath it do not. Even a roof that looks passable from the ground may have underlayer issues that only become obvious when tiles are lifted.

What Causes These Problems to Develop

Roofs fail for a combination of reasons, and understanding the causes helps you ask better questions when a roofer gives you an assessment.

Felt degradation. The roofing felt beneath the tiles is the secondary line of defence against water. It is not designed to be permanent. Traditional bitumen felt typically lasts 20 to 30 years before it becomes brittle, splits at laps or pulls away from the battens. Once the felt fails, any gap in the tile covering allows water straight onto the timbers.

Batten rot. Roof battens are fixed horizontal timbers that the tiles hang from. When felt fails and water reaches the battens, rot sets in. Rotting battens cannot hold tiles securely, which is why you start to see tiles slipping without any obvious storm damage as a trigger. This is one of the most common reasons behind tiles that keep moving despite repeated refixing.

Flashing failure. Lead flashing at chimney stacks, valleys, dormers and abutments is what seals the joins between the roof and vertical surfaces. Lead work lasts well when properly installed, but it can crack, lift or pull away from mortar as it expands and contracts with temperature changes over the years. Failed flashing causes targeted, persistent leaks that appear to come from odd angles inside the property.

Ridge and hip mortar failure. The mortar bedding along ridge tiles and hip tiles dries out and cracks over time. This lets wind get underneath the tiles and lift them. You may also see the ridge tiles themselves rocking or sitting unevenly. Repointing a ridge buys time, but on an older roof the rest of the structure may not justify the spend.

Structural movement. Over many decades, roof timbers can move, compress or settle. This changes the pitch slightly, creates low spots where water pools rather than runs off, and puts stress on tiles and joints they were not designed for. No surface repair addresses this.

Replacement or Repair - How to Get an Honest Assessment

A proper roof inspection means getting someone onto the roof itself, not just looking from the ground or through a loft hatch. Ask any roofer to check the felt condition, batten condition and the state of the timber structure before they quote you for either repair or replacement. If they cannot tell you the state of those elements, they cannot give you an informed recommendation.

A useful question to ask is: "If you repair this now, how long do you expect it to last before it needs attention again?" A straightforward answer to that question tells you a lot about whether the roofer is giving you an honest view or simply quoting for the work that is easiest to sell.

At Mildenhall Roofers we will tell you plainly whether a replacement is genuinely needed or whether a well-targeted repair will give you several more years without problems. We cover Burwell and the surrounding area, and we work across into the Mildenhall area and neighbouring parts of Suffolk.

What a Full Roof Replacement Involves

A full replacement strips the existing tiles or slates back to the bare rafters. The old felt and battens are removed completely. The timber structure is inspected at this point, and any rotten or damaged rafters, ridge boards or other timbers are repaired or replaced before anything goes back on.

New breathable membrane (modern roofing underlayer) goes on first, followed by new treated timber battens. Tiles or slates are then fixed to the new battens. All lead flashings at chimneys, valleys and abutments are replaced at the same time. Ridge and hip tiles are re-bedded and pointed, or dry-fixed ridge systems are fitted where appropriate.

How long the work takes depends on roof size, pitch and access. Scaffolding is required and should be treated as a normal part of the cost, not an optional extra.

Typical Costs

Roof replacement costs typically range from around £5,000 to £12,000 or more for a standard pitched roof on a semi-detached or detached house, depending on size, tile choice, chimney work and the condition of the timber structure beneath. Slate roofs, larger properties and those requiring significant structural repairs will sit at the higher end.

Any quote should be itemised so you can see what you are paying for: strip and disposal, new felt and battens, tiles or slates, lead work, ridge and hip work, and scaffolding. If a quote is a single lump figure with no breakdown, ask for the detail before you agree to anything.

Other Roofing Work We Carry Out

Alongside full replacements, we handle the full range of pitched and flat roofing work for homeowners in the Burwell area. This includes leak investigations, storm and wind damage repairs, slipped tile repairs, flat roof replacement in felt and EPDM rubber systems, garage roof repairs, chimney repairs and repointing, lead flashing repairs, and slate roof repairs and re-roofing.

If you are unsure whether your roof needs a full replacement or whether a targeted repair would be sufficient, call us and we will arrange a proper survey on the roof itself.