Roof Cleaning Services: Cost & Options 2026 (UK)
Roof cleaning costs £300–£700 for a typical UK semi or terrace in 2026, rising to £700–£1,200+ for a large detached house or heavy moss growth. The right method matters as much as the price: gentle soft washing and manual moss removal protect the tiles, while high-pressure jetting can strip the surface and force water under the tiles. Here is what each service costs, what a good job includes, and the methods to avoid.
2026 roof cleaning costs
| Service | Typical price (2026) | Notes |
|---|---|---|
| Soft wash + moss removal (semi/terrace) | £300–£700 | Most common job |
| Soft wash + moss removal (detached) | £700–£1,200 | Larger roof area |
| Moss scrape only | £250–£500 | No biocide treatment |
| Biocide / fungicide treatment | £150–£400 | Kills regrowth over months |
| Gutter clear (add-on) | +£60–£150 | Often bundled |
| Scaffold / access (if needed) | +£300–£800 | Steep or high roofs |
Soft washing vs pressure cleaning vs moss removal
Soft washing uses low pressure and a biocide to kill moss, algae and lichen, which then weather off over the following weeks — it is the gentlest, tile-safe method and the one most specialists recommend. Manual moss removal (scraping and brushing) is good for heavy growth and is often combined with a soft wash. High-pressure jetting gives an instant clean look but can erode the tile surface, dislodge granules and drive water under the tiles, so most reputable firms avoid it on older or concrete tiles.
What a good roof clean includes
- Full inspection and photos before and after.
- Moss removal by hand or soft wash, with debris cleared from valleys and gutters.
- Biocide treatment to slow regrowth for months.
- Public liability insurance and safe access (harness, ladder stand-off or scaffold).
Is roof cleaning worth it?
Beyond kerb appeal, clearing moss stops it blocking gutters and valleys and holding moisture against the tiles, which shortens their life. A soft wash with biocide keeps a roof clear for a couple of years. Be wary of anyone pushing an expensive "roof coating" as a cure-all — for most homes a clean and biocide treatment is the sensible spend.
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