Mark Cobham Plastering Services
Cleanly finished exterior walls on a home in Stockport

Stone and masonry facades

Restore Your Stoneworkwith Stockport's Steam Cleaning Team

Lift years of dirt, algae and staining from stonework and bring back its original colour, with DOFF steam cleaning that respects the stone.

Request a Quote
5.0 on Google · 12 years' experience
12 years
Hands-on experience
5-year
Workmanship guarantee
£1m
Public liability insurance
5.0★
Google rating
24/7
Call any time

Service overview

Stone Cleaning Explained

What it is

Stone cleaning removes built-up grime, carbon staining, algae and biological growth from natural stone using the DOFF superheated steam method at 150°C.

Who it's for

Owners of stone-built or stone-faced homes, period properties with stone details, listed buildings, and anyone with blackened or green-stained stonework.

When you need it

When stone has darkened, turned green, or looks tired; before selling; before repairs or repointing; or as part of ongoing care for a period building.

Why professional work matters

Stone is easily damaged by the wrong cleaning. High-pressure washing and blasting can erode the surface and open it up to faster decay. Steam is a gentler, controlled approach.

The cost of waiting

What Happens If
You Leave It

Dirt and biological growth hold moisture against stone. Over time that accelerates weathering and makes the whole building look neglected.

Risks & escalating costs

  • Algae and lichen retain moisture on the surface
  • Dark staining hides cracks and defects that need attention
  • Aggressive DIY cleaning can permanently scar stone
  • Neglected stonework reduces a property's appeal

Common mistakes

  • Using a high-pressure washer on soft stone
  • Applying bleach or harsh chemicals that stain or damage
  • Cleaning without checking the condition of mortar joints
  • Assuming dirty stone needs replacing rather than cleaning

How it works

Five Clear Steps

  1. 01

    Assess the stone

    Mark looks at the stone type, staining and access.

  2. 02

    Quote & explain

    A clear quote and an explanation of the steam method.

  3. 03

    Protect

    Surrounding windows, doors and planting are protected.

  4. 04

    Steam clean

    DOFF steam at 150°C lifts grime section by section.

  5. 05

    Review & guarantee

    You see the result, the site is cleared, and work is covered by the 5-year workmanship guarantee.

What you get

The Result You're Paying For

Original colour restored

Brings stonework back towards its natural tone.

Gentle method

Heat at low pressure rather than blasting.

Reveals defects early

Clean stone shows cracks or joints that need attention.

Period expertise

Experience of restoration work on a listed building.

Guaranteed

5-year workmanship guarantee and £1 million public liability insurance.

Clear communication

Reviewers repeatedly praise Mark's communication.

In detail

Stone Cleaning: Materials, Methods & Options

Why steam suits stone

Natural stones like sandstone vary in hardness. Steam's heat breaks down grime and kills biological growth without the cutting action of abrasive methods, helping preserve the stone's surface.

Types of staining

Carbon staining from traffic and old coal fires, green algae, black biological growth, lichen and general atmospheric dirt all respond differently. Mark assesses what's on the stone before cleaning.

Facades, walls and features

Stone cleaning suits front elevations, window surrounds, lintels, sills, boundary walls, steps and decorative features.

After cleaning

Cleaning often reveals eroded mortar joints. Lime pointing is the correct repair for most period stonework. Mark offers this as a separate service.

Local stone and the North West

Many older properties across Stockport, Cheshire and Greater Manchester feature sandstone in walls, lintels, sills, steps and boundary walls. Sandstone is relatively soft and porous, which is exactly why it darkens with atmospheric pollution and why it's so easily damaged by aggressive cleaning. A controlled, heat-based method respects the stone while lifting the dirt.

Cleaning as part of maintenance

Clean stone makes defects easy to see. Cracked sills, open joints and failing mortar become obvious once decades of grime are removed. Treating cleaning as the first step of a maintenance plan, followed by lime pointing or repairs where needed, protects the building for the long term rather than just improving its appearance.

Protecting the surroundings

Steam cleaning produces run-off and mist, so windows, doors, plants and paving are protected before work starts. Access is planned in advance, particularly for upper storeys and chimneys.

Residential and heritage properties

Stone cleaning suits everything from a terraced house with stone details to larger detached period homes and listed buildings. Owners of listed buildings should confirm any consent needed with their local authority before cleaning, as it changes the appearance of the facade.

Cleaning boundary walls, steps and features

It isn't only facades that benefit. Stone boundary walls, gate piers, steps, copings and window surrounds collect grime and algae just as quickly, and cleaning them together with the main elevation gives a consistent, finished look. Steps and paths that turn green can also become slippery in wet weather, so cleaning them improves safety as well as appearance. Mark will look at the whole frontage and suggest what makes sense to include, so you get one tidy result rather than a clean house behind a dirty wall.

Stone Cleaning across Stockport, Cheshire & Greater Manchester

Mark is based at Middle Hillgate in Stockport and carries out stone cleaning for homes across Cheshire and Greater Manchester, including Macclesfield, Stockport and Wilmslow. Reviews from Sale, Bury, Heywood and Knutsford describe the same things: fast responses, tidy working and clear communication. Mark works on every job personally, supported by trusted subcontractors when a project needs extra hands. You can call 24 hours a day, and on-site hours are typically 7:30am–5:00pm, agreed with you in advance.

How to choose the right tradesman for stone cleaning

The quality of stone cleaning depends almost entirely on who carries it out. Before you book anyone, ask four simple questions. Who will actually be on site doing the work? What exactly is included in the quote: preparation, materials, protection and clearing up? Is the work guaranteed, and for how long? And is the business insured if something goes wrong? A tradesman who answers clearly and puts it in writing is far less likely to leave you with a problem.

With Mark Cobham Plastering Services, the answers are straightforward. Mark works on every job personally, drawing on 12 years of hands-on experience, and brings in trusted subcontractors only when a project needs extra hands. Work is backed by a 5-year workmanship guarantee, and the business holds £1 million public liability insurance. Prices aren't published online because every wall is different; instead you get a clear quote for your specific job, with the options explained honestly.

Reviews tell the same story. One Knutsford customer chose Mark "after being let down by a typical cowboy previously" and described him as professional, courteous and in regular contact at every stage. A Bury customer said his quotes were within budget and they've employed him again since. Others mention a fast response, tidy working and a finish they're proud of. That track record sits behind a 5.0-star Google rating.

What Customers Say

“Mark and his crew were very friendly, professional and did an excellent quality job on re-rendering the back wall of my house... great work at a fair price.”
David Armbruster · Google
“Replacing the old, tired render from the top half of the house and replacing with K-Rend. It was a pleasure to have a job done by such professionals.”
Heywood customer · MyBuilder, Heywood
“Mark plastered our living room and downstairs cloakroom. He did a fantastic job, was very polite and punctual.”
Clare Louise Davison · Facebook
“Mark has done a fantastic job rendering our house, he is so reliable... the quality of work is excellent.”
John Yarwood · Google
“Excellent, Mark is a very conscientious and hard working young man... his quotes were within budget and I was so happy with his work that I have employed him since.”
Oliver Thomas Johnstone · MyBuilder, Bury
“Great job for a young lad, highly recommended him and reasonably priced.”
Jake Clayton · Facebook

FAQs

Stone Cleaning Questions, Answered

Can't see your question? Call 07969 801136 or send a message.

Not sure what your wall needs?

Call Mark on 07969 801136 and he'll talk you through the options.

Get Stone Cleaning Done
Properly, First Time

Tell Mark about your job and get a clear quote. Every job is backed by a 5-year workmanship guarantee and £1 million public liability insurance.

5.0 on Google · Call 24 hours