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Chiltern Surface CoCOMMERCIAL
Technician seen from behind pushing a surface cleaner across foamed paving, a van and stanchion cordon at the steps of a stone-built hotel

Hard surfaces

Buckinghamshire · Oxfordshire · Berkshire

Commercial Pressure Washing for External Hard Surfaces

Professional cleaning for commercial paving, concrete, forecourts, courtyards and communal areas across Buckinghamshire, Oxfordshire and Berkshire.

On siteWorks: surface cleaner on a foamed patch of paving behind a stanchion cordon

IPAF
Accredited operators on every lift
£10m
Public liability insurance
RAMS
Site-specific, issued before we mobilise
5 days
From request to survey

Photographic record

From mobilisation to the completion report

Van parked beside entrance steps with a hose, water containers and a stanchion cordon set out on the forecourt before cleaning starts
Figure 01Mobilisation: van, hose, water containers and stanchions set out at the entrance
Overhead view of a galvanised drainage channel with moss growing along the paving edge
Figure 02Survey: moss along the edge of paving beside a drainage channel before cleaning
Wide view of a paved courtyard with timber benches and a young birch tree, before cleaning
Figure 03Survey: paved courtyard with timber benches and a young tree before cleaning

The problem

What build-up does to commercial hard surfaces

Entrances, approaches, paths and courtyards are heavily used external areas on a commercial site. Forecourts take repeated vehicle and pedestrian traffic while creating the first impression of the property, and the areas that most need cleaning are usually the ones that must stay in use.

Sites add their own constraints, such as tenants and several buildings on business parks, deliveries and continuous trading in retail, and occupied buildings at schools and colleges. The sector pages cover each one.

Build-up
Concrete holds vehicle residue, atmospheric dirt and organic growth within its textured surface. Block paving carries surface grime, algae, moss and loose weed growth, and pressure cleaning can disturb its jointing sand.
Mixed contamination
Not every mark has the same cause: algae and moss behave differently from oil, rust, chewing gum, paint, cement residue or deeply absorbed staining.
Absorbed staining
Oil, fuel and other staining can penetrate porous surfaces. Treatment may improve it, but complete removal cannot be assumed: where it cannot be guaranteed, we say so before works begin and set out the expected improvement.
Hidden condition
Existing wear, failed joints, cracks, loose pointing or surface erosion can become more visible after cleaning. These are condition issues rather than dirt, and may need repair.
Recurring build-up
Busy entrances, shaded paths and vehicle areas build up again after cleaning, so they are often better served by planned preventative maintenance (PPM) than by a one-off clean. A one-off clean suits a site before an opening, inspection, handover or event.

What we do

Specification of works

Hard surfaces can be cleaned as individual areas or coordinated across a wider property under one specification of works.

AreasConcrete, block paving, paving slabs and suitable natural stone at entrances and approaches, forecourts, paths, courtyards, communal spaces, terraces and outdoor seating areas, with suitable steps, ramps and boundary details. Service yards and loading bays are covered under industrial yard and warehouse cleaning; car parks and walkways under car park and walkway cleaning.
MethodPressure washing is one method among several: delicate, damaged, coated or poorly jointed surfaces are cleaned at lower pressure, soft washed or given another process. Where pressure washing suits the surface, Chiltern Surface Co technicians set pressure, water flow, nozzle, working distance and the number of passes for each material, adjust them where the material or condition changes, and pre-treat where the staining needs it. Cement, paint, adhesive and sealant residues may not respond to pressure washing; we test suitability before the specification of works is set.
ArisingsMoss and loose weed growth cleared from the surface are removed from site as arisings, with skip provision where required.
Before work startsWe review falls, channels, gullies, planting, entrances and adjoining surfaces, and ask you to identify known drainage restrictions, sensitive areas and site rules. Vehicles, furniture and loose items are managed as agreed, and the areas, sequence and any temporary access restrictions are agreed before work begins.
RecordedFailed joints, cracks, loose pointing, settlement and surface erosion that the clean reveals are listed in the completion report's defect schedule.
ExclusionsStain removal, repairs, re-sanding and sealing are included only where the specification of works states them. Internal floors, hazardous residues, hazardous-material handling and specialist remediation are outside the scope. We do not attend spill or pollution incidents: residual oil staining is treated after the event under oil stain and contamination removal.

Included on the project

  • Fixed-price proposalspecification of works, programme and exclusions
  • Site-specific RAMS issued before mobilisation
  • Arisings removed from site
  • Completion reportbefore-and-after photography and defect schedule
  • £10 million public liability cover

How the work is delivered

Survey it. Specify it. Plan it. Deliver it. Document it. Maintain it.

  1. 01SurveySite visit, with the condition photographed.
  2. 02ProposalFixed price, with specification of works, programme and exclusions.
  3. 03MobilisationRAMS issued; drainage drawings and site rules checked.
  4. 04WorksZone by zone behind exclusion areas, with arisings removed and wash-water control planned.
  5. 05Completion reportBefore-and-after photography, a defect schedule and sign-off.
  6. 06PPMA planned maintenance proposal, so the problem does not come back unnoticed.
Upward view of a stained half-round gutter end/corner and bracket against a brick gable.
On siteSurvey: upward view of a stained half-round gutter end/corner and bracket against a brick gable.

Safety and site control

Planned before we arrive

Wash water
We plan wash-water control and drain protection for every site.
Schools and care settings
We work in school holidays and INSET days, or behind exclusion zones away from pupils and residents.

Questions

Pressure washing FAQs

Is pressure washing suitable for every external surface?

No. The survey confirms which surfaces can take pressure washing, and the specification of works names another method for any that cannot.

Can you work while the site stays open?

Yes. Works are phased zone by zone behind agreed exclusion areas, so access can be maintained wherever the site conditions allow. Out-of-hours working is available where the site needs it.

Is re-sanding included when block paving is cleaned?

No, unless the specification of works states it. Where the clean removes jointing sand and re-sanding is suitable, it is priced as a separate follow-on stage once the paving has dried sufficiently.

How is the work priced?

At a fixed price, set after the survey from the area, surface types, condition, staining, access, drainage and preparation. There are no day rates and no overrun charges.

How often should commercial hard surfaces be cleaned?

It depends on the material, shade, drainage, footfall, vehicle traffic and the presentation standard the site needs. The completion report ends with a PPM proposal and a suggested review cycle for the site.

What do you need from us before the survey?

The property address, the surface types, the approximate area, known stains, access restrictions, drainage concerns and your preferred timescale. Photographs and site plans are useful where available.

Next step

Request a Site Survey

Tell us about the property, the surfaces that need attention and any known access, staining or drainage concerns. We survey the site, then send a fixed-price proposal with a specification of works, programme and exclusions.

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