How Much Are Roofers Charging To Remove Roof Moss?

Is your roof covered in clumps of moss, algae and lichen?

If it is, you’re probably experiencing blocked gutters, blocked soakaways, clumps settling on footpaths, patios and conservatory roofs.

The good news is the roof moss can be removed and a chemical fungicide applied to prevent it from growing back for a few years.

Explore our cost guide below which we last updated on the .

What to Expect – Roof Moss Removal

As you can see from the photos displayed below, the roof looks entirely different once the moss is removed.

The only equipment used to remove it was a scraper and a firm brush, no power washers were used:

moss and other growth on roof tiles

Before: Moss on clay roof tiles.

Roof Moss Removal to Clay Tiles

AFTER: Moss Removed Manually.



Cost of roof moss removal

Moss being scraped form roof tiles

Moss covered roof

Moss and algae on roof tiles

The photos above show moss being manually removed using traditional methods such as scraping and brushing.

If you would like the roof tiles power washed then explore our separate price guide here.

How the Roof Moss is Removed

Below is a works schedule for moss removal;

  • Cover the ground with a tarpaulin/cover
  • Erect access equipment – ladders, ridge ladders and access towers etc
  • Disconnect gutters from rainwater pipes and remove the roof moss using a scraper
  • Use a brush to sweep the loose moss off of the roof
  • Check the roof and replace any broken tiles with new ones
  • Clear out the rainwater guttering and reconnect to the rainwater pipes
  • Spray the roof with a surface biocide or fungicide to prevent the moss from growing back
  • Dispose of all waste material
  • Re-apply the biocide every few years to prevent the moss from coming back

Our Guide Price

Below are some example costs/prices for roof moss removal work, just choose which example best matches your requirements:

Example 1 – Moss Removal to “Up and Over” Roof on a Semi-Detached House

This guide price is for the removal of roof moss and the treatment of the ties with a preventative fungicide to a typical semi-detached home:

LocationSmall Business /TraderLarge Business
London Area£500.00£800.00
South, SW and Midlands£450.00£600.00
Outer Region and North£400.00£500.00
?Need a Custom Price? >Compare Up To 3 Personlised Quotes Here

As you can see from the table above, the average cost to remove moss off of a small simple roof is £390.00 +vat if applicable.

Example 2 – As Above but to Larger Property – Inc Garage and Porch

This price is to remove moss and treat the roof tiles as explained above but to a semi-detached house with a small garage and porch:

LocationSmall Business /TraderLarge Business
London Area£500.00£750.00
South, SW and Midlands£500.00£650.00
Outer Region and North£400.00£500.00
Need a Custom Price? >Compare Up To 3 Personlised Quotes Here

Example 3 – As Above but to Larger Detached Property With Detached Garage and Porch

This guide price is to remove the moss from the tiles manually as explained at the top of this page but to a large detached house with detached garage, porch and above several bay windows roofs:

LocationSmall Business /TraderLarge Business
London Area£900.00£1200.00
South, SW and Midlands£900.00£1100.00
Outer Region and North£700.00£850.00
Need a Custom Price? >Compare Up To 3 Personlised Quotes Here

Prices May Vary Based On:

As we are sure you can appreciate, it’s difficult to estimate the cost of removing roof moss without first inspecting the roof.

We’ve made a few assumptions in our price cost guides.

Here is a list of factors that can increase the cost of the project:

  • The roof is very high
  • The tiles are rare tiles and costly to replace
  • There are access issues to the roof
  • Larger firms might be VAT registered so will add this tax to the quote

Get a Custom Roof Cleaning Quote

While many of our visitors find our research into prices helpful, they are not a substitute for a firm quote.

To arrange a customised quote based on your roof size and spec, fill out the form below.

It only takes a few minutes to get the ball rolling.

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Can This Work be Done by the Homeowner? (DIY)

No, in most cases this work will involve ladders, roof ladders and specialist equipment such as towers and harnesses.

All work at height carries significant risk and should only be done by those with experience and/or adequate training.

When Will The Moss Grow Back?

If the roof isn’t treated with a suitable chemical, the moss will start to grow back as soon as it starts to rain.

The way to prevent this is to use a strong moss killer.

The chemical will kill off any remaining moss spores and the roof shouldn’t experience any significant moss growth for a few years, perhaps even longer on roofs with a south facing aspect.

To permanently prevent moss growth on roof tiles, the roof should be resprayed with the chemical every 3 years.

Top Reasons To Remove Moss

Here are the advantages of removing roof moss:

  • Reduces gutter blockages and maintenance
  • Prevents blockages in the underground drainage system/soakaway which can be costly to resolve
  • Improves the appearance of the roof and brings back the original colour of the tiles
  • Protects tiles from surface damage from the moss
  • On certain roofs where there is excessive moss growth, you can extend the life of the tiles by removing the moss, although this claim has been exaggerated by some roofing firms

Can the Tiles be Painted or Coated With a Sealant?

Roof paints and sealants have become popular in recent years but they will only adhere to surfaces that have been thoroughly cleaned.

Removing the moss with a scraper and brush isn’t enough to remove oils, pollution and dirt that would prevent the paint from sticking to the tiles.

Paints should only be applied to roofs that have been thoroughly cleaned with a power washer.

This page contains a price guide for power washing a roof.

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3 Responses to “How Much Are Roofers Charging To Remove Roof Moss?”

  1. Richard KembleJune 7, 2015 at 1:47 pm #

    I have an end of terrace standard 3-bed house in Ham, Richmond, Surrey.
    Are you able to give me a quote to clean my tiles (not pressure wash) and add moss killer, plus a copper wire to help keep the future moss away.

  2. Mrs Patricia LarkinsOctober 12, 2018 at 10:01 am #

    I have moss growing on my roof. I have a 3 bed detached bungalow in Bicester Oxfordshire. Some of the roof dates back to 1965 when built and the other parts are from 1995. It has had moss removed once before back in late 1990s on the old part. The roof has six apexes. Can you quote to clean up the tiles (not pressure wash) and add moss killer and anything else that will keep the moss away.

  3. Mrs G St ClairSeptember 20, 2019 at 2:40 pm #

    I have a converted bungalow (only the front gets moss stained ) the roof has those composite black tiles and I have a moss stained fibreglass car port which is making my lounge dark is it possible these can be cleaned ?regards Gina St Clair

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