Expert Damp Proofing & Preservation Specialists in Feltham
Castle Preservation Services has protected West London homes from damp, timber decay, and waterproofing issues for nearly four decades. Our expert team delivers professional solutions with industry-leading 25-year guarantees, ensuring your property remains dry, safe, and structurally sound for generations to come.
Comprehensive Property Preservation Services
From damp diagnosis to complete restoration, our expert team provides end-to-end solutions to protect your property from moisture damage and timber decay. All major works backed by our 25-year guarantee.
Why Choose Castle Preservation Services?
West London homeowners trust us because we combine decades of expertise with old-fashioned values: honest advice, quality workmanship, and genuine care for your property.
Dramatic Results, Lasting Protection
Every project backed by our 25-year guarantee
Nearly 40 Years Experience
Since 1985, Simon Cosgrove has been protecting West London homes from damp and timber decay, developing unmatched expertise in property preservation.
25-Year Guarantees
All damp proofing and timber treatments come with comprehensive written guarantees, giving you peace of mind for decades to come.
Honest Diagnosis
We provide truthful assessments and only recommend treatments that are genuinely needed. No pressure sales, just professional advice.
Clean & Tidy Service
We respect your home. Our team works cleanly, protects your furnishings, and leaves your property tidy after every job.
Direct Contact with Simon
Work directly with the owner throughout your project. No call centres, no salespeople—just straightforward communication.
Local Knowledge
Based in Feltham, we understand the specific damp challenges facing properties in West London, from Victorian terraces to modern builds.
Family Business Values
As a family-owned business, we build lasting relationships with our customers based on trust, quality, and outstanding service.
Fair, Transparent Pricing
No hidden costs or surprise charges. We provide detailed written quotations so you know exactly what to expect.
Serving Feltham & Surrounding West London
Based in Feltham TW13, Castle Preservation Services covers a 10-mile radius, providing expert damp proofing and property preservation throughout West London and Surrey.
Our Coverage Area
10-mile radius from Feltham, TW13
From Richmond to Staines, Hounslow to Kingston—if you're within 10 miles of Feltham, we can help protect your property.
Not sure if we cover your area? Just ask!
Primary Service Areas
Also Serving
What Our Customers Say
Don't just take our word for it—hear from the West London homeowners who have trusted Castle Preservation Services to protect their properties.
“After years of struggling with damp in our Victorian terrace, Simon and his team finally solved the problem. The rising damp treatment was thorough, the replastering perfect, and the whole experience was professional from start to finish. Three years on, not a spot of damp in sight!”
Mrs. Jennifer Thompson
Twickenham, TW1
“We had serious woodworm in the roof timbers. Castle Preservation diagnosed the problem quickly, explained everything clearly, and carried out the treatment with minimal disruption. The 25-year guarantee gives us real peace of mind. Highly recommended!”
Mr. David Chen
Hounslow, TW3
“Our basement was damp and unusable for years. Simon surveyed it, recommended a tanking solution, and transformed it into a beautiful dry space. We now have an extra room! The team was tidy, courteous, and truly expert at what they do.”
Mrs. Sarah Williams
Richmond, TW9
“Honest, reliable, and excellent workmanship. Simon gave us a fair assessment and didn't try to upsell unnecessary treatments like some other companies. The damp proofing work was completed on time and to a very high standard.”
Mr. Robert Taylor
Feltham, TW13
“We'd been living with black mould in our bathroom for too long. Castle Preservation installed a ventilation system and treated the affected areas. The difference is remarkable—no more condensation on the windows and the mould is gone for good.”
Mrs. Angela Morris
Sunbury, TW16
“Dry rot in our floorboards was a nightmare discovery, but Simon put our minds at ease. His team removed and replaced the damaged timbers, treated the surrounding areas, and explained how to prevent future problems. Fantastic service.”
Mr. James Patterson
Staines, TW18
Recognise These Problems in Your Home?
Damp and timber problems won't fix themselves—and the longer they're left, the worse they become. If you've noticed any of these warning signs, it's time to act.
Damp Patches on Walls
Dark, discoloured patches appearing on your walls? This could indicate rising damp, penetrating damp, or condensation issues that need professional diagnosis.
Black Mould Growth
Black mould isn't just unsightly—it's a health hazard. Often caused by condensation, it requires proper ventilation solutions to eliminate permanently.
Woodworm & Timber Decay
Small holes in timber, crumbling wood, or fungal growth can indicate woodworm, dry rot, or wet rot. Early treatment prevents costly structural damage.
Wet Basements & Cellars
Water ingress in below-ground spaces? Basement tanking and structural waterproofing can transform damp cellars into valuable, dry living space.
Musty, Damp Odours
That characteristic damp smell means moisture problems exist somewhere in your property. Professional surveys identify the source and recommend solutions.
Don't let damp damage escalate. Early intervention saves money and protects your home.
Book Your FREE Survey Today
Ready to Protect Your Property?
Get expert advice from West London's trusted damp proofing specialists. Contact Simon Cosgrove today for a free, no-obligation survey and honest assessment of your property.
22 Guildford Avenue, Feltham, TW13 4EW
Mon-Fri: 8AM-6PM | Sat: 9AM-4PM