Harrow sits on one of London's highest points — Harrow on the Hill rises to 124 metres and has been a landmark since the 11th century. The hilltop conservation area around Harrow School contains Grade II listed buildings with original Welsh slate and. We have been fixing roofs across Harrow for over 20 years — we know the housing stock, the common problems, and the most durable solutions.
Harrow sits on one of London's highest points — Harrow on the Hill rises to 124 metres and has been a landmark since the 11th century. The hilltop conservation area around Harrow School contains Grade II listed buildings with original Welsh slate and hand-made clay tile roofs. Below the hill, Metroland development from the 1920s-30s created the suburban estates of Pinner, Hatch End and North Harrow with their characteristic hipped roofs and bay-fronted semis.
Harrow's elevated position means roofs here face wind loading that properties in the Thames valley floor simply do not experience. Harrow on the Hill is fully exposed to south-westerly gales — wind speeds measured at the hilltop weather station consistently exceed surrounding lowland areas by 15-20%. This drives rain horizontally into mortar joints, accelerates lead fatigue, and creates uplift forces on ridge tiles that sheltered locations never see.
• Wind-driven rain penetration through mortar joints on exposed hilltop properties around Harrow on the Hill — repointing needed twice as frequently as lowland equivalents
• Bay roof junction leaks on 1930s Metroland semis across Pinner and North Harrow — original lead soakers and flashings fatigued by thermal cycling
• Subsidence-related roof distortion on clay soil in Stanmore and Edgware — London clay shrinkage moves walls, which cracks ridge lines and separates flashings
Free quotes, no call-out fees, same-day emergency service.
📞 Call Now: 0203 302 2547From single tile replacements to complete ridge re-bedding, we fix every roof fault across West London. Honest pricing, no call-out fees, and a written guarantee on all repair work.
Learn more →Full re-roofs using quality materials with a 10-year guarantee. We survey, specify and install — with a clear, itemised quote and no surprises.
Learn more →GRP fibreglass, EPDM rubber and built-up felt flat roofing for extensions, garages and outbuildings. Proper drainage, quality materials, lasting results.
Learn more →Storm damage, sudden leaks, structural concerns — we respond same-day across West London. 24/7 emergency call-outs with no call-out fees.
Learn more →Blocked, cracked or leaking gutters damage your home silently. We clean, repair and replace guttering systems to protect your property year-round.
Learn more →Repointing, lead flashing, chimney stack repairs and pot replacements. We make your chimney weathertight and structurally safe.
Learn more →Professional moss removal that protects your tiles, not just cleans them. Soft wash treatment, debris clearance, and preventative biocide application.
Learn more →Replacement fascia, soffit and bargeboard in uPVC or timber. We strip back to sound timber and install new, properly ventilated roofline.
Learn more →Supply and install Velux roof windows, sun tunnels, and skylight replacements. Full weatherproofing with manufacturer-approved flashing kits.
Learn more →Specialist lead roofing including flashings, valleys, flat roof coverings, chimney back gutters and dormer cheeks. Code 4 and 5 lead to BS EN 12588.
Learn more →Natural and reconstituted slate roofing — new installations, re-slating, and sympathetic repairs to period properties using reclaimed Welsh slate.
Learn more →"Full re-roof after years of patch repairs — called on a weekday and they were out within days. Professional, tidy, and the price was exactly as quoted. Highly recommend."
"Moss removal and full roof clean — called on a weekday and they were out within days. Professional, tidy, and the price was exactly as quoted. Highly recommend."
"Emergency leak repair — water coming through the bedroom ceiling — called on a weekday and they were out within days. Professional, tidy, and the price was exactly as quoted. Highly recommend."
Roof repairs in Harrow typically cost £150–£900. Full roof replacements range from £5,000–£18,000 depending on property size, tile choice and structural condition. We provide free, no-obligation quotes for all work.
Yes — we provide 24/7 emergency roof repairs across Harrow. Storm damage, sudden leaks, structural concerns — call 0203 302 2547 any time. No call-out fees.
We cover all areas of Harrow including Harrow, Pinner, Stanmore, Kenton and surrounding streets.
We are based in West London and have been working across Harrow for over 20 years. We know the local housing stock, the common problems, and the best solutions for Harrow properties.
Harrow sits on one of London's highest points — Harrow on the Hill rises to 124 metres and has been a landmark since the 11th century. The hilltop conservation area around Harrow School contains Grade. We work on all property types across Harrow.
We typically inspect and quote within 2-3 working days. For emergencies in Harrow, we are on site the same day.
Yes — we have extensive experience working within Harrow's conservation areas, using period-appropriate materials and methods that meet planning requirements.
Harrow's hilltop position has shaped its roofing history for centuries. Harrow School, founded in 1572, sits atop one of London's highest points at 124 metres — and the roofs of its listed buildings have withstood four centuries of some of the most aggressive weather exposure in Greater London. The conservation area around the Hill contains Grade II listed buildings where original Welsh slate and handmade clay tile roofs demand specialist maintenance using period-appropriate materials and techniques.
Wind is Harrow's defining roofing challenge. Harrow-on-the-Hill is exposed to south-westerly gales that drive rain horizontally into mortar joints, accelerate lead fatigue through constant flexing, and create uplift forces on ridge tiles that sheltered locations simply do not experience. Weather station data consistently shows wind speeds 15-20% higher on the Hill than at equivalent lowland sites. This is not a marginal difference — it translates directly into mortar joints failing twice as fast and ridge tiles needing re-bedding twice as frequently.
Pinner's conservation area and village character drive property premiums that make roof maintenance an investment priority. Tudor and period properties on Pinner High Street and the surrounding conservation area require specialist roofing skills — lime mortar repointing, handmade peg tile sourcing, and lead detailing that matches the original specification. These are not jobs for general builders.
Harrow borough spans 1930s Metroland semis in Kenton and Wealdstone, detached properties in Pinner and Stanmore, and post-war estates in Rayners Lane. Nail sickness on concrete tiles is the dominant failure mode borough-wide.
If any of these apply, call 0203 302 2547 for a free survey. If you are not sure whether you need a roofer, an inspection (fee credited against work booked) gives you the facts.
A real person answers — not a call centre. We ask what the problem is, where the property is, and when works for you.
We come to your Harrow property within 2-3 working days. Every defect photographed. You see what we see.
Materials, labour, scaffold and waste disposal listed separately. Valid 30 days, no obligation.
We book it and stick to it. If scaffold or a Harrow Council pavement permit is needed, we arrange it.
No subcontractors. The team who surveyed your roof is the team who fixes it.
Site cleared. Completion photographs. Written 10-year guarantee document.
| Service | Typical Cost | Notes |
|---|---|---|
| Roof Repair | £150–£3,000 | By scope — slipped tile to section re-tile |
| Roof Replacement | £5,500–£20,000+ | Tile/slate choice is the primary driver |
| Flat Roofing (GRP) | £1,200–£3,200 | Extension typical |
| Chimney Repairs | £350–£2,000 | Repointing to partial rebuild |
| Guttering (full roofline) | £1,800–£3,500 | Semi — uPVC fascia + soffit + gutter |
| Emergency Make-Safe | £200–£550 | No call-out fee — 24/7 |
| Roof Inspection | £140–£500 | Fee credited against work booked |
London labour rates apply (+15-25% vs national average). All prices include VAT. Free survey and no-obligation quote on every job.
No deposit on repairs under £500. Staged payments on larger projects. Call 0203 302 2547 for a free, itemised quote.
Covering postcodes: HA1-HA9 and surrounding areas.
Every job in Harrow carries our written 10-year workmanship guarantee — transferable if you sell the property. Manufacturer product warranties apply on top: 15-30 years on tiles, 25 years on GRP membrane, 20 years on EPDM.
If anything covered by the guarantee develops a fault, call us. We come back and fix it — no quibbling, no re-charge.
No call-out fees. No obligation. Just an honest quote from a local Harrow roofer who turns up when they say they will.
0203 302 2547 📞 Call Now: 0203 302 2547