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.
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.
Comparison · 8 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.
Pricing · 10 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.
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.
How-to · 8 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.
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.
Education · 6 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.
Maintenance · 7 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.
Maintenance · 7 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.
FAQ · 7 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.
Selling · 10 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.
Safety · 7 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.
Maintenance · 10 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.
Maintenance · 9 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.
Education · 6 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.
How-to · 7 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.
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.
Restoration · 9 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.
Prevention · 6 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.
Pricing · 8 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.
Safety · 9 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.
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.
How-to · 8 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.
Education · 6 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.
Education · 9 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.
Education · 10 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.
Education · 6 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.
Selling · 8 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.
Maintenance · 7 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.
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.
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.
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.
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.
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.
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.
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.
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.