Remove built-up contamination
Dirt, moss, algae and suitable organic growth treated according to the surface.
Southampton · Bournemouth · Hampshire · Nearby Dorset
Professional patio cleaning built around the material—not maximum pressure.
Moss, algae, black spotting, weathering and built-up dirt can leave a patio looking tired and difficult to maintain. Black Haven assesses the material and condition first, then uses the cleaning method and treatment appropriate to the surface.
Patio cleaning
From £5/m²
£150 minimum job charge
Final guide pricing depends on size, material, condition and selected treatment.
Choose Patio or terrace in the Exterior Care estimate builder.
A patio describes how the area is used; the paving material determines the method. For individual blocks with sand-filled joints, compare our block paving cleaning and re-sanding approach before choosing the estimate scope.
Surface assessment · Condition-led treatment · Professional equipment · Final inspection
Restore a cleaner finish
Improve colour and presentation without pretending every historic mark will disappear.
Recommend worthwhile aftercare
Further treatment or sealing considered only where it provides a genuine benefit.
Condition first
What has built up on the patio?
General dirt and weathering
Built-up dirt and weather exposure can leave paving dull, uneven-looking and harder to maintain.
Moss and algae
Green biological growth affects presentation and can make suitable areas slippery when wet.
Black spots and lichen
Established biological marking can sit deeper than loose dirt and need targeted treatment rather than pressure alone.
Localised staining
Rust, grease, plant-pot marks and other stains are condition-dependent. Some deeply absorbed or historic staining may improve without disappearing completely.
Material-led cleaning
Different patio materials need different treatment.
Natural stone and sandstone
Stone type, porosity, age, joints and previous treatments shape the correct method. Sandstone patio cleaning therefore starts with assessment.
Porcelain
Dense porcelain often needs different chemistry and agitation from porous stone. High pressure alone is not the answer.
Concrete
Suitable concrete patios can be professionally cleaned, with the process adapted to condition, finish and age.
Block-paved or other suitable areas
Block-paved patios can be assessed too. If cleaning exposes depleted jointing sand, re-sanding may be recommended where genuinely appropriate.
Surface-led method
Pressure is a tool—not the complete patio-cleaning method.
Professional patio cleaning is not simply using the highest available pressure. Material, porosity, age, joints, previous treatments and surrounding areas shape the safest effective approach. Patio pressure washing or patio jet washing may contribute, but no single method suits every surface.
- Identify the surface and condition
- Choose suitable pressure and flow
- Use targeted treatment where useful
- Rinse and finish the area methodically
Optional aftercare
Should the patio be sealed afterwards?
Sealing is optional, not automatic. Material, porosity, surface condition, previous coatings, moisture, weather and intended appearance all affect suitability.
From +£7/m² where suitable
The Exterior Care estimate builder may flag sealing for review where the material or condition means suitability must be confirmed.
Transparent pricing
Patio cleaning cost examples
- Patio cleaning
- From £5/m²
- Minimum charge
- £150
- Optional sealing
- From +£7/m²
Example A · Small patio
20 m² · Concrete · General dirt and weathering
Cleaning only
Guide estimate
£150
Illustrative estimate—not a completed job or fixed quote.
A small concrete patio still reaches the whole-job minimum, rather than costing only its area multiplied by the starting rate.
Joint-sand replacement and sealing excluded.
How this guide is calculated
- Base cleaning rate:
- £5/m²
- Cleaning component:
- £100–£110
- Whole-job minimum / rounding adjustment:
- +£50 at the lower end; +£40 at the upper end.
The £150 minimum applies once to this whole job, not to each component.
Example B · Larger natural-stone patio
50 m² · Natural stone · Moss, algae or slippery growth; Black spots or lichen
Cleaning only
Guide estimate
£275–£340
Illustrative estimate—not a completed job or fixed quote.
The patio/material base rate and the higher selected black-spot condition band set this range. Green growth and black spots are not stacked as separate surcharges, and complete removal is not promised.
Joint-sand replacement and sealing excluded.
How this guide is calculated
- Base cleaning rate:
- £5/m²
- Cleaning component:
- £275–£337.50
- Whole-job minimum / rounding adjustment:
- +£0 at the lower end; +£2.50 at the upper end.
The final guide is rounded up after the selected work is added; component figures above are before that adjustment.
Actual measurements, photographs, condition and access are reviewed before scope and price are agreed. These examples are separate hypothetical jobs.
When comparing quotes, check the measured area, included treatment, any joint-sand replacement, optional sealing and agreed exclusions—not just the headline rate.
Practical details
The job includes the finish and clean-up.
Professional exterior work includes controlled rinse-down, checking accessible surrounding areas affected by the work and leaving the agreed area orderly. Please provide reasonable access, an exterior water supply where required, equipment space, accurate photographs or measurements when requested, and information about delicate surrounding items or existing damage.
Service area
Patio cleaning from Chandler’s Ford and Bournemouth.
Based in Chandler’s Ford and Bournemouth and serving Southampton, Eastleigh, Winchester, Basingstoke, Romsey, the New Forest, Bournemouth, Christchurch and surrounding areas across Hampshire and nearby Dorset.
Travel, access, drainage, water supply and the suitability of the working area are confirmed before the job.
Before booking
Patio cleaning questions.
How much does patio cleaning cost?
Black Haven patio cleaning starts from £5 per square metre, subject to the £150 minimum job charge. Final guide pricing depends on size, material, condition and any selected further treatment.
Do you pressure wash every patio?
No. Pressure washing may form part of the process, but the method depends on material, age, porosity, joint condition and previous treatments.
Can you clean sandstone and natural-stone patios?
Yes, where the stone and its condition are suitable. The method is adapted to the stone type, porosity, joints and previous treatments.
Can you clean porcelain patios?
Yes, where suitable. Porcelain is dense and commonly requires a different approach from porous natural stone rather than simply more pressure.
Can patio black spots and lichen be removed?
They can often be substantially improved, but complete removal cannot be promised before the surface and severity are assessed.
What should I measure and photograph for a patio estimate?
Share the approximate paved area in square metres, the material if known, and photographs of the whole patio, joints and affected patches. Include access, drainage and water-supply details. Suitable moss, algae and biological growth can be treated and cleaned; established growth may need more than one process or treatment stage.
Should I seal the patio afterwards?
Not always. Sealing is optional and depends on the material, condition, previous treatments and whether it provides a worthwhile benefit.
Start with the patio
See what the surface actually needs.
Build a guide estimate from the patio size, material, visible condition and treatment you are considering. Black Haven reviews the job before the final scope is agreed.