Moss growth on Wonford’s roofs reflects the suburb’s tree canopy, valley humidity and post-war roof surface types. We carry out low-pressure biocide treatment — never pressure washing — with a written post-treatment condition survey on every Wonford property. Free quote. Call 01392 759 295.
Wonford has the heaviest moss growth of any Exeter suburb we cover, driven by its mature tree canopy and the ambient humidity from the nearby Exe. North-facing slopes on Wonford properties can be completely green within 2–3 years of treatment. We recommend a 2-yearly treatment cycle for the most shaded Wonford slopes and annual inspection in the interim year to assess re-establishment rate.
Post-treatment surveys on Wonford properties consistently reveal secondary issues on the pitched roofs — nail-sick tiles held in position by the moss mat, cracked ridge mortar concealed by moss coverage, and blocked valleys that have been accumulating debris since the last visit. The treatment visit is the most cost-effective time to address these issues: the roof is already being accessed, assessed and treated.
Most Wonford properties benefit from treatment every 2–4 years, with annual inspection in the intervening period. The post-treatment condition survey at each visit builds a maintenance history for the property that informs future decisions. We offer scheduled annual inspection programmes for Wonford homeowners who want consistent roof condition monitoring. Call 01392 759 295 for details.
Free survey and quote — no call-out fee, no obligation.
📞 Call 01392 759 295“Low-pressure biocide on our Wonford slate roof. Condition survey identified a secondary issue. Good thorough service.”
“Treatment on our Victorian terrace in Wonford. Heritage-appropriate method. Annual programme now set up.”
“North slope had been treated before with pressure washing. They explained why it kept coming back. Biocide approach has lasted much longer.”
From £200 for a smaller property to £500+ for a larger detached. Includes condition survey. Call 01392 759 295.
Every 2–4 years for most Wonford properties. Heavily shaded slopes may need treatment every 2 years.
No — pressure washing damages tile surfaces and accelerates re-establishment. Low-pressure biocide treatment is the correct method.
Tree canopy shade, Devon’s above-average rainfall and the textured surface of concrete tile or slate provide ideal moss conditions. Treatment every 2–4 years is the correct management approach.
Yes, progressively. Moss holds moisture against tile surfaces, accelerates nail corrosion and can lift tiles. Treatment is cheaper than the repairs it prevents.
A residual biocide with minimum 6-month kill activity, applied at low pressure. pH-neutral formulation on heritage surfaces. Never alkaline products on original tile glaze.
Yes — every treatment visit includes a written condition survey identifying any secondary issues found during access.
No call-out fee. No obligation. Local Exeter roofers who turn up when they say they will.
01392 759 295