Commercial Exterior Cleaning Services - London & South East
DL Jones Exterior Cleaning
Maintaining the external appearance and condition of a commercial building is about more than aesthetics. Dirt, algae, moss, pollution staining, and organic growth – left untreated – accelerate the deterioration of external surfaces, block drainage systems, and create slip hazards on access routes and communal areas.
For property management companies, facilities teams, local authorities, and housing associations responsible for multiple buildings, a planned approach to exterior cleaning is one of the most cost-effective ways to protect building fabric and reduce reactive maintenance costs.
At DL Jones Exterior Cleaning, we deliver professional commercial exterior cleaning services across London and the South East – combining over 35 years of experience as a specialist roofing and property maintenance contractor with the safe access capability and site management standards that commercial and public sector environments demand.
From window cleaning and gutter clearance to render cleaning and pressure washing, our teams work regularly on schools and educational buildings, hospitals and healthcare estates, housing association estates, local authority buildings, commercial offices, and industrial sites.
Buildings & Sectors We Cover
Our exterior cleaning services are available across a wide range of property types. We regularly carry out planned and reactive exterior cleaning for:
- Schools and educational buildings – including primary, secondary, and further education facilities
- Hospitals, GP practices and healthcare estates
- Local authorities – civic buildings, community centres, libraries, and council housing
- Housing associations – residential blocks, estates, and communal areas
- Block management companies and managing agents
- Property management companies managing commercial portfolios
- Commercial properties – offices, retail premises, and mixed-use developments
- Industrial sites and warehouses
Our Commercial Exterior Cleaning Services
We provide a comprehensive range of exterior cleaning services tailored to commercial and public sector buildings. All services are delivered by our directly employed teams, with full RAMS documentation, site-specific risk assessments, and the safe access capability required for multi-storey and hard-to-reach areas.
Commercial Window Cleaning
Clean windows improve building presentation, contribute to a professional environment for occupants and visitors, and allow natural light into offices, classrooms, and communal areas. We provide external window cleaning for commercial buildings of all sizes – from single-storey office units to multi-storey housing blocks and school buildings. Safe access solutions are arranged as part of every project, including scaffold access, cherry picker (MEWP) hire, and rope access where appropriate. All window cleaning operatives hold the relevant working-at-height qualifications and our works are delivered in full compliance with the Work at Height Regulations 2005.
Gutter Cleaning & Drainage Clearance
Blocked gutters and drainage outlets are one of the most common and preventable causes of water ingress in commercial buildings.
Leaves, moss, silt, and debris accumulate in gutters and downpipes throughout the year – and on flat-roofed buildings, a blocked outlet can cause standing water to back up against the waterproofing membrane, significantly increasing the risk of leaks. Our gutter cleaning service covers all gutter types across all building types, including box gutters, parapet gutters, valley gutters, and standard half-round and OG profiles.
We clear all outlets, hoppers, and downpipes, and provide a written condition report on the gutter system at the end of each visit. If our team identifies any defects requiring repair, we can provide a quotation for gutter lining or replacement works as part of the same visit.
Fascia & Soffit Cleaning
Fascias and soffits are constantly exposed to weathering, algae, and organic growth. Professional cleaning restores appearance and helps maintain the condition of roofline systems – preventing the organic growth that traps moisture and accelerates deterioration. This service is particularly valuable for housing association estates and residential blocks where the condition of roofline systems directly affects the appearance and long-term maintenance costs of the building envelope.
Render Cleaning
External render – particularly on the large commercial and public sector buildings that make up much of London’s building stock – is highly susceptible to algae, pollution staining, and organic growth. Left untreated, these stains become increasingly difficult to remove and can eventually compromise the render surface itself.
We use specialist render cleaning solutions appropriate for modern acrylic and silicone render systems as well as traditional sand-and-cement renders on older commercial and public sector buildings. Our cleaning methods remove organic growth and pollution staining without damaging the render surface or causing water ingress through the facade.
Pressure Washing & External Surface Cleaning
Our pressure washing and external surface cleaning services cover entrance areas, walkways, courtyards, car parks, patios, driveways, and other hard-standing areas. Regular cleaning of these surfaces improves both appearance and safety – removing slippery algae, moss, and organic growth from pedestrian areas and reducing the risk of slip accidents. For schools, hospitals, and housing estates, maintaining clean and slip-free external surfaces is a health and safety obligation as well as a presentation issue. We can incorporate external surface cleaning into planned maintenance programmes alongside roofing inspections and gutter clearance visits – reducing mobilisation costs and simplifying contract management.
Conservatory Roof Cleaning
Conservatory roofs are prone to moss, algae, and dirt build-up that reduces light transmission and, if left untreated, can damage roof glazing and framing seals. We provide specialist conservatory roof cleaning using appropriate low-pressure techniques that remove growth without damaging seals or glazing units.
Safe Access & Site Management
As a specialist roofing and property maintenance contractor, DL Jones has extensive experience of safe access planning and working-at-height management on commercial and public sector buildings. Every exterior cleaning project is delivered under a full site-specific RAMS, and all operatives hold the relevant qualifications for their specific access method. We also offer drone roof surveys to assess and document the condition of high-level areas before and after cleaning works – providing photographic evidence of the work completed and identifying any roofing defects while our teams are on site.
Access solutions we can provide include:
- Scaffold access – for larger buildings or where sustained working-at-height access is required
- Mobile elevated work platforms (MEWPs / cherry pickers) – for flexible access on open sites
- Rope access – for buildings where scaffold is impractical or cost-prohibitive
- Telescopic water-fed pole systems – for window and facade cleaning at height without physical access to the surface
- Drone-assisted inspection – to assess areas before and after cleaning works
We understand the particular requirements of working on occupied buildings – schools in session, hospitals with patients present, housing estates with residents in residence. Our site management approach minimises disruption, maintains safe pedestrian routes, and ensures our works are delivered with the least possible impact on building occupants.
Planned Exterior Cleaning Contracts
For property managers, local authorities, and housing associations responsible for multiple buildings, a planned exterior cleaning contract provides the most cost-effective and manageable approach to maintaining building appearance and condition.
A planned contract with DL Jones can include:
- Scheduled gutter and drainage clearance – typically biannual (spring and autumn)
- Regular window cleaning on a frequency agreed to suit the building and occupants
- Annual or biannual facade and render cleaning
- Seasonal pressure washing of external hardstanding areas
- Written condition reports and photographic records after each visit
- Priority response for reactive cleaning requirements between scheduled visits
We already deliver planned maintenance contracts to a wide range of clients across London and the South East – combining roofing inspections, gutter clearance, and minor repairs into single planned visits that reduce mobilisation costs and simplify asset management. Adding exterior cleaning to an existing maintenance contract is a natural and cost-effective extension for many of our clients.
Why Choose DL Jones for Commercial Exterior Cleaning
Safe access capability
We provide scaffold, MEWP, rope access and water-fed pole systems
30+ Years of Experience
Established in 1986, with a strong portfolio of commercial and public sector work.
Commercial & public sector experience
We work regularly on schools, NHS estates, housing blocks and council buildings
Fully Accredited
CHAS, SafeContractor, Constructionline Gold, Bauder, Polyroof and more.
Health & Safety Focused
Fully compliant with CDM, RAMS, and on-site safety protocols.
Combined service capability
Exterior cleaning can be combined with roofing and gutter maintenance visits
Commercial Exterior Cleaning Across London & the South East
Our exterior cleaning teams operate from our South Croydon base, covering the full London and South East region. We regularly carry out exterior cleaning works across London – including Croydon, Bromley, Sutton, Lewisham, Greenwich, Wandsworth, Lambeth, Southwark, and Kingston upon Thames – as well as throughout Surrey, Kent, Sussex, and Essex.
Whether you manage a single commercial building or a portfolio of properties across multiple boroughs or counties, call us on 020 8657 0734 to discuss a planned cleaning programme or one-off project. You can also view our completed work on our
You can also view the range of property types and sectors we serve on our Our Projects page to see the scale and variety of work our teams deliver across the region.
DL Jones Complete Property Solutions.
Whether you’re managing a housing portfolio, overseeing public buildings, or need urgent repairs to your property, we’re ready to help. Get in touch with our expert team today.
Get a Free Exterior Cleaning Survey
Whether you need a one-off gutter clearance, a render clean ahead of a lease review, or a planned exterior maintenance programme for a portfolio of buildings, DL Jones can help. We offer free site surveys across London and the South East – assessing the condition of external surfaces, gutters, and facades, and providing a clear written quotation with no obligation.
To find out more about our full range of property maintenance services, visit our roof surveys and reports page or explore our complete flat roofing services to see how we can combine roofing and cleaning works into a single planned maintenance solution.
Request a free exterior cleaning survey: 020 8657 0734
Frequently Asked Questions
How often should commercial gutters be cleaned?
For most commercial buildings, we recommend biannual gutter clearance – once in spring (to clear winter debris) and once in autumn (before the leaf-fall season). Buildings surrounded by trees, or flat-roofed buildings with drainage outlets at low points, may benefit from more frequent clearance. We can assess the appropriate frequency during an initial site survey.
Can you clean external surfaces on an occupied building?
Yes. We are experienced in carrying out exterior cleaning works on occupied buildings – schools in session, hospitals with patients present, and housing estates with residents at home. Our site management approach includes appropriate hoarding, access management, and noise controls. We will always agree a working plan with the facilities manager or housing officer before works commence.
Do you provide condition reports after gutter cleaning visits?
Yes. Every gutter cleaning visit includes a written condition report with photographic evidence identifying any defects observed – split or corroded gutter sections, loose fixings, blocked outlets – with recommendations for any follow-up works required. This report is provided as standard at no additional charge.
Can exterior cleaning be combined with a roofing maintenance contract?
Absolutely. Many of our clients combine gutter cleaning, facade washing, and external surface cleaning with their planned roofing maintenance programme – reducing mobilisation costs and simplifying contract management. Speak to our team about combining services into a single planned maintenance contract for your building or portfolio.
Are your operatives DBS checked for school and hospital sites?
Yes. All operatives working on school sites hold valid Enhanced DBS (Disclosure and Barring Service) checks, and copies are available on request. Our operatives working on healthcare sites are vetted in accordance with NHS site access requirements. Safeguarding awareness training is completed by all team members working on educational and healthcare sites.
Do you cover our area for exterior cleaning?
DL Jones provides commercial exterior cleaning across London and the South East – including all London boroughs, Surrey, Kent, Sussex, and Essex. Call us on 020 8657 0734 or complete our online enquiry form and we will confirm coverage for your specific location and discuss your requirements.
Associations & Accreditations
The accreditations and approved installer statuses required by councils, NHS Trusts, housing associations, and public sector procurement frameworks across London and the South East.
CHAS Accredited Contractor – independently verified compliance with health, safety, and environmental standards.
Constructionline Gold Member – the procurement gateway accepted by councils, NHS Trusts, and housing associations.
SafeContractor Approved – independently assessed health and safety management across all our sites, teams, and working practices.
NFRC Roofing Competent Person Scheme – demonstrating that our operatives meet the defined competency standards for roofing work, supporting compliance with Building Regulations.
Bauder Approved Contractor -certified to install the full range of Bauder flat roofing systems. Every Bauder installation we complete qualifies for the full
manufacturer’s system warranty of up to 25 years, backed by Bauder directly.
Polyroof Approved Installer -certified to install Polyroof cold applied liquid roofing systems to manufacturer’s specification. Full Polyroof system warranty of up to 25 years on every qualifying installation.
National Framework Partnership (NFP) – registered supplier on the NFP roofing framework, giving housing associations and public sector clients a compliant, pre-tendered route to appoint DL Jones without a full tender process.
Safe2Torch Registered – demonstrating that our operatives are trained and competent in the safe use of hot works equipment. Required for all torch-applied roofing membrane installations and a key health and safety standard on any live site.
NFRC Member – National Federation of Roofing Contractors. Membership signals our commitment to industry best practice, professional standards, and ongoing technical development across our roofing teams.
Get a Free Exterior Cleaning Survey
Whether you need a one-off gutter clearance, a render clean ahead of a lease review, or a planned exterior maintenance programme for a portfolio of buildings, DL Jones can help.