Reliable roof repairs, new roofs, flat systems, chimneys and roofline services across Alton and the surrounding GU34 villages. Free survey, clear written pricing, no call-out charge.
Tell us about your roof. We usually reply the same day.
From period cottages and Victorian homes near the town centre to 1930s semis and newer developments on the outskirts, Alton roofs come in every age and style, and each needs a slightly different approach. We work across the whole town and the surrounding GU34 villages, handling fast leak and storm response, replacements and routine maintenance. Many Alton properties have been extended or altered over the years, creating extra roof junctions and drainage changes, so we focus on how the whole roof works as one system, not just the part you can see.
Whatever your roof, we inspect it properly, show you photos of what we find, explain the cause in plain English and give you a straight, written quote with options where helpful. Below is the full range of roofing work we carry out in Alton.
Leak tracing, slipped or broken tiles, split felts, valley failures and tired flashing fixed quickly and safely. Alton roofs are often affected by ageing materials, prolonged weather exposure and gradual water ingress, and many issues develop slowly before internal damage shows. We trace each leak back to its source so the repair actually solves the problem rather than masking it, then provide before and after photos, a simple explanation of the cause and a written guarantee on the work. Common local faults we see are wind-lifted or slipped tiles after heavy winds, failed lead flashing and valleys, blocked gutters causing overflow and damp, and ridge tile movement as the mortar breaks down.
From cottages in Chawton to family homes in Four Marks and Holybourne, we install tiled, slate and flat roofs with neat detailing and durable materials, ventilated correctly, insulated where specified and finished to a tidy standard, with clear communication from survey to sign-off. For pitched roofs we renew underlay and battens, fix hips and ridges, tidy verges and integrate leadwork so water sheds cleanly, whether you need a small retile or a full pitched re-roof. We work with concrete tiles on mid-century and newer homes, clay tiles on older properties and natural slate on period homes, and offer both traditional ridge repairs and modern dry ridge systems for improved mechanical fixing and lower long-term maintenance. Older Alton roofs that still rely on felt underlay and timber battens at the end of their life are renewed before new tiles go on.
Flat roofs are common across Alton, especially on extensions, garages, dormers, porches and outbuildings. We assess and repair felt, GRP fibreglass and EPDM rubber, and after inspection advise honestly whether a localised patch, an overlay or a full replacement offers the best value and lifespan for your property. The difference between a flat roof that lasts and one that fails early usually comes down to drainage falls, edge detailing and how well the roof is sealed around joins and upstands, so we focus on those fundamentals and finish cleanly. Flat roof leaks can travel before you see a stain inside, so quick patches often fail. We locate the actual entry point, repair seams, edges, outlets and damaged sections, then check the wider roof so you are not paying twice for the same issue. EPDM rubber suits larger garage and extension roofs; GRP fibreglass gives a seamless smart finish on smaller dormers and porches; multi-layer torch-on felt is a solid cost-effective option when installed properly; and liquid systems handle awkward shapes with lots of penetrations.
Refresh tired rooflines with low-maintenance uPVC. We replace fascias, soffits and bargeboards, add over-fascia trays and continuous ventilation, then set gutters to the correct fall for reliable drainage. Blocked, leaking or poorly aligned gutters lead to damp and staining, so we also clean, re-seal joints, re-hang and replace sections, check outlets and test the flow so water goes where it should. If the roofline is failing we price uPVC replacements with correct ventilation and drip edges to protect the eaves.
Repointing, flaunching, capping and new lead flashings for stacks and parapets. Lead flashing around chimneys and abutments weakens as it ages and poorly sealed junctions often leak during sustained rain. We stabilise loose masonry and stop persistent chimney leaks at the source, and where a stack is no longer needed we can remove it cleanly below the roof line and make good.
Storm damage or sudden leaks need fast action. We provide a priority emergency service across Alton and GU34, making safe and setting temporary weatherproof coverings where required, then returning for permanent repairs as soon as conditions allow proper sealing. Active leaks are prioritised and we can often attend the same or next working day.
Spray foam can hide roof defects and cause problems with mortgage surveys and lending. We remove it carefully, inspect the structure underneath and reinstate breathable insulation and proper ventilation so lenders and surveyors are satisfied and the roof can breathe as it should.
Controlled moss and lichen treatment that protects your tiles and improves drainage. Moss traps moisture and blocks gutters, which leads to leaks and frost damage. We remove growth by hand and with a soft-wash approach rather than harsh pressure washing that can damage tiles, and apply a preventative biocide where appropriate.
Many homes in Chawton, Selborne and the older streets of Alton need like-for-like materials such as natural slate and clay tile to keep their original character. We are used to working on period and edge-of-town properties, match materials carefully and plan access and parking in advance on tighter village lanes so the job runs smoothly for you and your neighbours.
★★★★★ 103 verified Checkatrade reviews
"Mitchell was the only builder, of many I contacted, who climbed a ladder to inspect my flat roof and went into my loft to inspect the main roof from inside. He emailed his quote the same day. They arrived on time and completed the work to a professional standard with photos at every stage."
"New slate roof. The quality is superb, they were professional, punctual and communicative. The project finished on time and the site was left spotless."
"Mitchell repointed a chimney and installed a chimney cowl, plus some cementing work to the roof. Very polite and conscientious, kept me informed throughout, and did the repair within a few days. I wouldn't hesitate to recommend Alliance Roofing & Building."
Verified reviews from across our South East service area. Alton references available on request.
Free inspection, no call-out charge, honest written quote, usually the same day.