Expert Historic Building Cleaning – Protecting England’s Heritage with Specialist Care
Preserve the beauty and integrity of your historic property with Astound Cleaning’s professional historic building cleaning services.
We work with site managers and facilities managers across England to deliver safe, effective, and fully compliant cleaning for listed buildings, heritage sites, castles, museums, hospitality and architectural landmarks.
REQUEST a call back
“Astound provide the service that a heritage site like Brighton Pavilion requires.”
Louise / Brighton Pavilion
Why Choose Astound for Historic Building Cleaning?
- Conservation-Led Approach: Our cleaning methods are designed specifically for historic and heritage buildings, ensuring the original materials, features, and character are preserved at every stage .
- Specialist Techniques & Equipment: We use industry-approved methods such as softwashing, steam cleaning (DOFF), and manual detailing—avoiding harsh chemicals and high-pressure systems that can damage delicate stone, brick, or timber .
- Regulatory Compliance: All work is carried out in line with UK conservation standards and, where required, we assist with Listed Building Consent and provide detailed method statements and risk assessments .
- Eco-Friendly Solutions: Our non-toxic, biodegradable cleaning agents are safe for historic materials and the environment, supporting your sustainability goals.
- Experienced, Accredited Team: Our operatives are trained in heritage cleaning best practices and collaborate with conservation specialists to ensure every project meets the highest standards.
- Tailored Service for Every Building: We customise our cleaning plans to suit the unique needs of your property—whether it’s a Grade I listed castle, a Georgian townhouse, or a Victorian museum.
Our Historic Building Cleaning Process
1. Comprehensive Site Assessment
We begin with a detailed survey to identify materials, vulnerabilities, and the most appropriate cleaning methods for your building .
2. Test Cleans & Method Statement
Discreet test cleans ensure the chosen approach is safe and effective. Full documentation is provided for your records and compliance needs.
3. Specialist Cleaning Execution
- Softwashing: Low-pressure, eco-friendly biocides for organic growth and soiling
- Steam Cleaning (DOFF): Superheated, low-pressure steam for delicate stone and masonry
- Manual Detailing: Hand-cleaning of intricate carvings and fragile features
- Low-Pressure Water Washing: For general soiling, always below 500 PSI
4. Ongoing Maintenance & Reporting
We offer scheduled maintenance plans and provide detailed reports, including before/after photos and recommendations for future care .

Call us now at:
Historic Building Cleaning FAQs
We understand that maintaining your property's render is crucial for both its appearance and structural integrity. Here, you'll find expert answers to the most common questions about render cleaning, maintenance, and protection.
What methods do you use to clean historic buildings?
We use eco-friendly, non-abrasive methods such as soft washing, steam cleaning, and hand cleaning techniques to protect delicate materials and surfaces.
Is it safe to clean fragile historic structures?
Yes, our team is trained in specialised techniques to safely clean historic buildings without damaging their materials or structural integrity.
How often should historic buildings be cleaned?
We recommend annual or bi-annual cleaning, depending on the building’s exposure to pollutants, weather, and organic growth, to maintain its appearance and prevent damage.
Can you clean all types of historic materials?
Yes, we are experienced in cleaning a wide range of materials commonly found in historic buildings, including stone, brick, timber, and more.
Do you provide services for listed or protected buildings?
Yes, we have extensive experience working on listed and protected buildings, ensuring all cleaning is conducted in line with heritage preservation guidelines.
What types of cladding do you clean?
We clean all types of cladding, including metal, glass, composite, and uPVC, using safe and effective methods to restore the original appearance without causing damage.
How often should cladding and signs be cleaned?
Cladding and signs should be cleaned at least once a year to maintain their appearance and prevent long-term damage from dirt, grime, and algae buildup.
Is your cladding cleaning process environmentally friendly?
Yes, we use environmentally friendly cleaning solutions that are biodegradable and safe, while still providing a thorough clean for your cladding and signs.
Can you clean high-level cladding and signs?
Yes, we offer high-access cleaning services for cladding and signage, using water-fed poles and specialised equipment to safely clean at any height.
Will cleaning my cladding and signs improve my property’s appearance?
Absolutely! Regular cleaning enhances the appearance of your cladding and signage, boosting your building's kerb appeal and creating a professional, well-maintained look.
How often should I clean my canopy?
We recommend cleaning your canopy at least once or twice a year, depending on its location and exposure to elements like weather, pollution, and organic growth.
Can you clean all types of canopies?
Yes, we clean canopies made from a variety of materials, including glass, metal, fabric, and plastic. Our cleaning methods are tailored to suit the specific material of your canopy.
Will the cleaning process damage my canopy?
No, our cleaning techniques are safe and non-abrasive, ensuring that your canopy is thoroughly cleaned without causing any damage to the material.
What are the benefits of regular canopy cleaning?
Regular cleaning enhances the appearance of your property, prevents long-term damage from dirt and algae build-up, and extends the lifespan of your canopy, ultimately saving you money on repairs or replacements.
Do you offer canopy cleaning for commercial properties?
Yes, we offer canopy cleaning services for both commercial and residential properties, ensuring your entrance or outdoor space looks professional and well-maintained.
Key Benefits & Concerns of Site Managers Addressed:
- Preservation of original materials and features
- Compliance with listed building and conservation regulations
- Minimising disruption to building operations
- Detailed documentation and reporting for asset management
- Cost-effective, proactive maintenance
- Collaboration with conservation officers and specialists
Get a Free Quote for Historic Building Cleaning
Protect your historic property with England’s trusted conservation cleaning specialists.
Contact Astound Cleaning today for a free, no-obligation quote and expert advice tailored to your site’s unique needs.
- Astound Historic Buildings Cleaning - Croydon Croydon, Greater London, England, United Kingdom
- Astound Historic Buildings Cleaning - Gatwick Gatwick Airport, West Sussex, England, United Kingdom
- Astound Historic Buildings Cleaning - East Grinstead East Grinstead, West Sussex, England, United Kingdom
- Astound Historic Buildings Cleaning - Crawley Crawley, West Sussex, England, United Kingdom
- Astound Historic Buildings Cleaning - Horsham Horsham, West Sussex, England, United Kingdom
- Astound Historic Buildings Cleaning - Brighton and Hove Brighton and Hove, England, United Kingdom
- Astound Historic Buildings Buildings Cleaning - Worthing Worthing, West Sussex, England, United Kingdom
- Astound Historic Buildings Cleaning - Littlehampton Littlehampton, West Sussex, England, United Kingdom