Professional roof moss removal and cleaning across Brighton — soft wash and biocide treatment that clears growth without damaging your tiles. We never pressure wash tiled roofs. Serving Brighton and East Sussex with a written roof condition report on every job.
Tell us the job in 30 seconds. No pushy sales, no call-out fee.
Roof moss removal in Brighton costs £400–£800 for a semi and £600–£1,200 for a detached property. We use manual removal and low-pressure biocide — never pressure washing, which strips tile surfaces. Every treatment includes a written roof condition report and gutter clearing.
We never pressure wash tiled roofs. High-pressure washing strips the protective surface of tiles, forces water under the laps, and dramatically shortens roof life. We use manual scraping and low-pressure application instead.
A professional biocide is applied to kill moss, lichen and algae at the root. The dwell time lets it penetrate, so growth doesn't simply return within months as it does with mechanical removal alone.
Dead growth is cleared at low pressure with no mechanical stress on tiles or mortar. Valleys and gutters are cleared of all shed debris as part of the job.
A post-treatment biocide prevents regrowth for 3–5 years. Every job includes a written roof condition report documenting anything we find — slipped tiles, failed pointing, lead issues — during the cleaning.
A green roof looks harmless but heavy moss holds water against the tiles, blocks drainage and speeds up frost damage — Brighton's coastal humidity makes it worse. We see the same early signs again and again on Brighton roofs.
The signs worth acting on:
When it is not the answer: If moss is light and the roof is otherwise sound, a soft-wash and gutter clear is enough — no need for aggressive treatment — see our guide.
Brighton's coastal humidity feeds biological growth across the city, but it's the north-facing slopes that suffer worst — they catch morning dew and never get the drying afternoon sun. On a typical Brighton semi, the north slope can need treatment every 3–4 years while the south slope goes 6–7. Salt-laden air near the seafront adds to the moisture load, making Brighton roofs more prone to moss than equivalent inland towns.
Brighton's leafy neighbourhoods — Preston Park, the streets around Queen's Park, the wooded roads of Withdean and Patcham, and Rottingdean's older gardens — have heavy tree canopy that shades roofs and deposits organic matter. This shade and organic loading accelerates moss and lichen colonisation dramatically. Properties under mature canopy in these areas are our most frequent moss-removal calls.
The ageing concrete tiles on Brighton's post-war estates — Moulsecoomb, Whitehawk, Hollingbury — become more porous as they carbonate with age. Porous tile holds moisture, and moisture feeds moss. On these older concrete-tile roofs, moss growth is both a symptom of ageing tile and a cause of accelerated deterioration, because the moss holds damp against the tile and worsens frost damage. We assess tile condition during every clean.
In Brighton's damp coastal climate, moss regrows faster than in dry inland areas. A mechanical-only removal (scraping without biocide) can see visible regrowth within a single wet Brighton winter. That's why our biocide dwell-and-treat approach matters here more than most places: it kills growth at the root and the post-treatment application holds regrowth off for 3–5 years rather than months.
For newer Brighton roofs still under a workmanship or material guarantee, how moss is removed matters to that cover. Pressure washing a tiled roof can void manufacturer warranties, because it damages the tile surface the warranty depends on — which is one more reason we never jet-wash tiles. Our soft-wash and biocide method preserves both the roof and any guarantee attached to it. For older roofs past their warranty, gentle removal still matters because aggressive cleaning shortens what life the tiles have left. And because every clean includes a written condition report, you get a documented record of the roof's state — useful for insurance, for a future sale, or simply for knowing where you stand. We treat moss removal as roof care, not just cleaning, which is why the method and the documentation matter as much as the visible result on Brighton's varied and often ageing roof stock.
| Manual removal + biocide, semi | £400 – £800 |
| Full clean + biocide, detached | £600 – £1,200 |
| Gutter clear add-on | £80 – £150 |
| Post-treatment biocide (3–5yr) | included |
| Written condition report | included |
| Pressure washing tiled roofs | not offered |
Indicative Brighton pricing. Every quote follows a free survey. Prices include VAT where applicable.
Key fact: The NFRC advises against high-pressure jet washing of roof coverings, warning that it strips the protective surface of tiles and forces water under the laps — which is why soft washing and biocide is the only safe method for Brighton's ageing tiled roofs.
No call-out fee · Free written quote · NFRC registered
“North-facing slope was thick with moss under the garden trees. They scraped and treated it properly — no pressure washing, which they explained would have wrecked the tiles. Two years on, still clear.”
“Heavy moss from all the tree cover around here. Soft wash, biocide, gutters cleared, and a written report that flagged a slipped tile I didn't know about. Thorough and honest.”
“Old concrete tiles were green all over. They treated it carefully, explained the tiles were getting porous with age, and didn't try to oversell. Roof looks transformed and the regrowth guarantee gives peace of mind.”
Every Brighton roof is different, but these are the durations we quote most often:
| Job | Typical duration |
|---|---|
| Soft-brush moss removal (per slope) | Half a day |
| Whole-roof soft wash & clear | 1 day |
| Biocide treatment application | 1–2 hours |
| Moss removal + gutter clear | 1 day |
| Repoint ridge after clearing | + half a day |
Around Brighton, biocide is best applied in dry, still conditions and left to work; we avoid treating before heavy rain that would wash it off.
On Brighton roofs, moss work is done from a tower or ladders on lower roofs; higher or steeper slopes need a scaffold for safe standing. Scaffold is specified for steep or high slopes where safe standing time is needed to work the whole roof — always itemised in your written quote, never a hidden extra, and we arrange it.
In Brighton, Brighton's stock runs from Regency and Victorian seafront terraces to inter-war and post-war suburban semis, so access ranges from tight city-centre returns to open plots. Pavement scaffold and skip permits go through Brighton & Hove City Council; allow a few working days on streets like Elm Grove, Dyke Road, Preston Drove where space is tight.
These are realistic Brighton price ranges — fixed in writing after a free survey, with no call-out fee:
| Job | Typical range | Notes |
|---|---|---|
| Soft-brush removal (per slope) | £150–£350 | No pressure washing |
| Whole-roof soft wash & clear | £300–£700 | Terraced/semi |
| Biocide treatment | £120–£350 | Slows regrowth |
| Moss removal + gutter clear | £350–£800 | Combined visit |
| Ridge re-point after clearing | £200–£450 | Where needed |
Worked example: A whole-roof soft wash, biocide and gutter clear on a Victorian terrace off Elm Grove typically runs around £550, including access and waste.
For Brighton homeowners: no deposit — moss and gutter work is charged on completion.
On Brighton roofs, our workmanship is backed by a written 10-year guarantee, with manufacturer warranties on materials on top — in writing, every time.
If a fault appears in covered work, we come back and put it right — no quibbling, no re-charge.
For a Brighton home, expect this: moss and debris come down into sheeted areas and are bagged away — never pressure-washed, which drives water under the tiles. You do not need to stay home for external work — we just need power and access agreed in advance.
Removal runs year-round; biocide is timed for dry, still days so it stays on the roof and works. Locally, Brighton's seafront exposure brings salt-laden air and Channel gales that corrode lead and fixings faster than inland, while the hillier northern suburbs catch wind straight off the Downs.
Roof moss removal in Brighton costs £400–£800 for a semi and £600–£1,200 for a detached property in 2026. Gutter clearing adds £80–£150. Every treatment includes biocide, a post-treatment application to prevent regrowth, and a written roof condition report.
No, never on tiled roofs. Pressure washing strips the protective surface of tiles, forces water under the laps and shortens roof life — the NFRC advises against it. We use manual removal and low-pressure biocide, which clears the moss safely without damaging your roof.
Brighton's coastal humidity feeds biological growth, and north-facing slopes suffer worst as they stay damp. The leafy areas — Preston Park, Withdean, Rottingdean — add heavy tree canopy and organic loading. Ageing porous concrete tiles on the estates hold moisture too, all of which accelerates moss.
Our biocide treatment keeps roofs clear for 3–5 years in Brighton's damp climate. Mechanical removal alone sees regrowth within a single wet winter, which is why we treat with biocide at the root and apply a post-treatment coat that holds regrowth off far longer.
It can be. Moss holds moisture against tiles, which worsens frost damage and accelerates deterioration of ageing porous tiles — common on Brighton's concrete-tile estates. It also blocks valleys and gutters, causing leaks. Light surface moss is cosmetic, but heavy growth is worth removing properly.
Often yes. Cleaning exposes what was hidden under the growth — slipped or cracked tiles, failed pointing, lead issues. That's why every moss removal we do includes a written condition report documenting anything we find, so you know the true state of your roof afterwards.
In Brighton's damp coastal climate, every 3–5 years for most roofs, sooner for heavily shaded north-facing slopes under tree canopy in areas like Preston Park and Rottingdean. Our biocide treatment extends the interval by killing growth at the root rather than just removing the surface.
Free survey, written quote, no call-out fee. NFRC registered and fully insured, with a 10-year guarantee on all work across Brighton and East Sussex.
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