--- title: "Roof Cleaning Blog | Cobham & Surrey 2026" url: https://roofcleaningcobham.co.uk/blog description: "Practical, locally-relevant articles on roof cleaning, moss removal, gutter care, costs and restoration — written by Cobham's specialist team." lang: en --- # Roof cleaning blog Practical, locally-relevant articles for Cobham and Surrey homeowners. Updated for 2026. Maintenance · 7 min ## How often should you clean your roof in Cobham? Most Cobham homeowners should plan a full roof clean every 4–6 years, with an annual gutter clear in between. Here's why — and how to spot the signs early. https://roofcleaningcobham.co.uk/blog/how-often-should-you-clean-your-roof-in-cobham Education · 8 min ## Does moss damage roof tiles in the UK? Yes — but probably not in the way you've been told. Here's what moss actually does to UK roof tiles, and when it stops being cosmetic and starts being structural. https://roofcleaningcobham.co.uk/blog/does-moss-damage-roof-tiles-in-the-uk Comparison · 7 min ## Soft wash vs pressure washing — what's best for your roof? Soft wash vs pressure washing — what's best for your roof? — what every Cobham homeowner should know in 2026, written by working roof specialists serving Surrey. https://roofcleaningcobham.co.uk/blog/soft-wash-vs-pressure-washing-whats-best Pricing · 7 min ## How much does roof cleaning cost in Surrey? How much does roof cleaning cost in Surrey? — what every Cobham homeowner should know in 2026, written by working roof specialists serving Surrey. https://roofcleaningcobham.co.uk/blog/how-much-does-roof-cleaning-cost-in-surrey Education · 9 min ## Can roof moss cause leaks? Can roof moss cause leaks? — what every Cobham homeowner should know in 2026, written by working roof specialists serving Surrey. https://roofcleaningcobham.co.uk/blog/can-roof-moss-cause-leaks How-to · 10 min ## The best way to remove moss from roof tiles The best way to remove moss from roof tiles — what every Cobham homeowner should know in 2026, written by working roof specialists serving Surrey. https://roofcleaningcobham.co.uk/blog/best-way-to-remove-moss-from-roof-tiles Education · 8 min ## Is roof cleaning worth it? An honest 2026 cost-benefit Is roof cleaning worth it? An honest 2026 cost-benefit — what every Cobham homeowner should know in 2026, written by working roof specialists serving Surrey. https://roofcleaningcobham.co.uk/blog/is-roof-cleaning-worth-it Education · 7 min ## What is soft washing a roof? A plain-English guide What is soft washing a roof? A plain-English guide — what every Cobham homeowner should know in 2026, written by working roof specialists serving Surrey. https://roofcleaningcobham.co.uk/blog/what-is-soft-washing-a-roof Maintenance · 10 min ## How long does roof cleaning last? How long does roof cleaning last? — what every Cobham homeowner should know in 2026, written by working roof specialists serving Surrey. https://roofcleaningcobham.co.uk/blog/how-long-does-roof-cleaning-last Maintenance · 10 min ## 10 signs your roof in Cobham needs cleaning 10 signs your roof in Cobham needs cleaning — what every Cobham homeowner should know in 2026, written by working roof specialists serving Surrey. https://roofcleaningcobham.co.uk/blog/signs-your-roof-needs-cleaning FAQ · 6 min ## Are gutters cleaned as part of roof cleaning? Are gutters cleaned as part of roof cleaning? — what every Cobham homeowner should know in 2026, written by working roof specialists serving Surrey. https://roofcleaningcobham.co.uk/blog/do-gutters-get-cleaned-with-roof-cleaning Selling · 8 min ## Can roof cleaning increase your property's value? Can roof cleaning increase your property's value? — what every Cobham homeowner should know in 2026, written by working roof specialists serving Surrey. https://roofcleaningcobham.co.uk/blog/can-roof-cleaning-increase-property-value Safety · 6 min ## Is roof pressure washing safe? Is roof pressure washing safe? — what every Cobham homeowner should know in 2026, written by working roof specialists serving Surrey. https://roofcleaningcobham.co.uk/blog/is-roof-pressure-washing-safe Maintenance · 8 min ## How to prevent roof moss returning after a clean How to prevent roof moss returning after a clean — what every Cobham homeowner should know in 2026, written by working roof specialists serving Surrey. https://roofcleaningcobham.co.uk/blog/how-to-prevent-roof-moss-returning Maintenance · 8 min ## The best time of year to clean a roof in Cobham The best time of year to clean a roof in Cobham — what every Cobham homeowner should know in 2026, written by working roof specialists serving Surrey. https://roofcleaningcobham.co.uk/blog/best-time-of-year-to-clean-a-roof-in-cobham Education · 7 min ## Concrete vs clay tile cleaning — what's different? Concrete vs clay tile cleaning — what's different? — what every Cobham homeowner should know in 2026, written by working roof specialists serving Surrey. https://roofcleaningcobham.co.uk/blog/concrete-vs-clay-tile-cleaning How-to · 9 min ## 5 slate roof cleaning mistakes to avoid 5 slate roof cleaning mistakes to avoid — what every Cobham homeowner should know in 2026, written by working roof specialists serving Surrey. https://roofcleaningcobham.co.uk/blog/slate-roof-cleaning-mistakes-to-avoid Selling · 7 min ## Should I clean my roof before selling my home? Should I clean my roof before selling my home? — what every Cobham homeowner should know in 2026, written by working roof specialists serving Surrey. https://roofcleaningcobham.co.uk/blog/should-i-clean-my-roof-before-selling Restoration · 6 min ## Roof coatings explained — sealants, paints and snake-oil Roof coatings explained — sealants, paints and snake-oil — what every Cobham homeowner should know in 2026, written by working roof specialists serving Surrey. https://roofcleaningcobham.co.uk/blog/roof-coatings-explained Prevention · 8 min ## Zinc strips: do they actually prevent roof moss? Zinc strips: do they actually prevent roof moss? — what every Cobham homeowner should know in 2026, written by working roof specialists serving Surrey. https://roofcleaningcobham.co.uk/blog/zinc-strips-do-they-actually-work Pricing · 9 min ## Gutter cleaning cost guide for Cobham (2026 prices) Gutter cleaning cost guide for Cobham (2026 prices) — what every Cobham homeowner should know in 2026, written by working roof specialists serving Surrey. https://roofcleaningcobham.co.uk/blog/gutter-cleaning-cost-guide-cobham Safety · 7 min ## DIY roof cleaning — why it's a bad idea DIY roof cleaning — why it's a bad idea — what every Cobham homeowner should know in 2026, written by working roof specialists serving Surrey. https://roofcleaningcobham.co.uk/blog/diy-roof-cleaning-why-its-a-bad-idea Education · 9 min ## What is gloeocapsa magma (and why is it on my roof)? What is gloeocapsa magma (and why is it on my roof)? — what every Cobham homeowner should know in 2026, written by working roof specialists serving Surrey. https://roofcleaningcobham.co.uk/blog/what-is-gloeocapsa-magma How-to · 9 min ## Roof cleaning when you have solar panels Roof cleaning when you have solar panels — what every Cobham homeowner should know in 2026, written by working roof specialists serving Surrey. https://roofcleaningcobham.co.uk/blog/roof-cleaning-and-solar-panels Education · 10 min ## Why north-facing roofs in Cobham get worse moss Why north-facing roofs in Cobham get worse moss — what every Cobham homeowner should know in 2026, written by working roof specialists serving Surrey. https://roofcleaningcobham.co.uk/blog/moss-on-north-facing-roofs-cobham Education · 8 min ## Roof biocides explained — what's actually in the bottle Roof biocides explained — what's actually in the bottle — what every Cobham homeowner should know in 2026, written by working roof specialists serving Surrey. https://roofcleaningcobham.co.uk/blog/biocides-explained-uk Education · 9 min ## How long does a roof actually last in the UK? How long does a roof actually last in the UK? — what every Cobham homeowner should know in 2026, written by working roof specialists serving Surrey. https://roofcleaningcobham.co.uk/blog/how-long-does-a-roof-last-in-the-uk Education · 7 min ## Lichen vs moss vs algae — telling them apart Lichen vs moss vs algae — telling them apart — what every Cobham homeowner should know in 2026, written by working roof specialists serving Surrey. https://roofcleaningcobham.co.uk/blog/lichen-vs-moss-vs-algae Selling · 10 min ## What the RICS Home Survey says about dirty roofs What the RICS Home Survey says about dirty roofs — what every Cobham homeowner should know in 2026, written by working roof specialists serving Surrey. https://roofcleaningcobham.co.uk/blog/what-the-rics-says-about-roof-cleaning Maintenance · 6 min ## Winter roof maintenance checklist for Surrey homeowners Winter roof maintenance checklist for Surrey homeowners — what every Cobham homeowner should know in 2026, written by working roof specialists serving Surrey. https://roofcleaningcobham.co.uk/blog/winter-roof-maintenance-checklist Issues · 9 min ## Black streaks on a Cobham roof: what causes them and how to remove them safely Dark vertical streaks on north-facing Cobham roofs are almost always gloeocapsa magma — an airborne cyanobacteria. Here is exactly how to identify, treat and prevent them. https://roofcleaningcobham.co.uk/blog/black-streaks-on-roof-cobham Issues · 7 min ## Moss in your Cobham gutters: why it happens and the real damage it causes Moss in the gutter is a red flag, not a nuisance. Here is what it does to your Cobham home and how we clear it without ladders on your lawn. https://roofcleaningcobham.co.uk/blog/moss-in-gutters-cobham-damage Issues · 8 min ## Lichen on north-facing Cobham roofs — why it thrives and how to remove it The flat grey and mustard-yellow circles are lichen — a fungus-algae hybrid that bonds hard to tile. Here is how to remove it without damaging the surface. https://roofcleaningcobham.co.uk/blog/lichen-on-north-facing-roof-cobham Issues · 7 min ## Cracked roof tiles after moss removal — what went wrong and how to avoid it If tiles cracked after a moss clean, someone almost certainly pressure washed a roof that should have been soft washed. Full guide to remediation and prevention. https://roofcleaningcobham.co.uk/blog/cracked-roof-tiles-after-moss-removal Issues · 6 min ## Roof cleaning in a Cobham conservation area — what is and isn't allowed Cobham village, Downside and parts of Stoke d'Abernon fall inside conservation areas. Here is exactly what roof cleaning is allowed and what needs consent. https://roofcleaningcobham.co.uk/blog/roof-cleaning-conservation-area-cobham Issues · 8 min ## Sudden roof leaks after heavy Cobham rain — moss, gutters or something worse? A leak that only shows after heavy rain rarely means a roof at end of life. Here is how to work out whether it is gutters, moss, valleys or flashing. https://roofcleaningcobham.co.uk/blog/roof-leaks-after-heavy-cobham-rain Issues · 6 min ## Cleaning a Cobham roof that has solar panels — what changes Solar panels shade the tiles beneath them and trap moss in a way bare roofs don't. Here is how we safely clean roofs with PV installed. https://roofcleaningcobham.co.uk/blog/solar-panel-roof-cleaning-cobham Issues · 6 min ## Chimney flashing issues on older Cobham homes — what to look for Chimney flashing is the single most common source of leaks on 1930s Cobham semis. Here is exactly what to check for on your own home. https://roofcleaningcobham.co.uk/blog/chimney-flashing-issues-cobham Get a free roof cleaning quote: https://roofcleaningcobham.co.uk/contact