Moling Company in Horley: Trenchless Lead Pipe Replacement Across RH6
We’re T&L Moling Contractors, WIAPS-registered specialists in trenchless water supply pipe replacement across Horley and the RH6 postcode. Horley grew up as a London commuter town, so most of the homes we work on were built after 1950, in neighbourhoods like Meath Green, Court Lodge and Langshott, often still on their original lead or galvanised supply pipes.
Older Victorian pockets around Horley Row and Church Road are on lead too, and the heavy Weald Clay under the whole town makes open trenching slow work.
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Accreditations
About Us
Horley is a 20th-century commuter town at heart. The railway turned a small Weald village into a dormitory town for London, and the bulk of the housing went up in the building waves that followed: Meath Green and Court Lodge largely in the 1950s and 60s, Haroldslea’s Limes Avenue laid out in the 1930s, then large modern estates like The Acres and West Vale Park added from 2010 onwards. Older Victorian and medieval stock survives around Horley Row and Church Road, both conservation areas, where original lead service lines are common. That spread of eras, from interwar semis to postwar estates to listed cottages, is exactly the kind of network we replace lead and galvanised supply pipes on.
Whichever part of Horley you’re in, the method is the same. We dig two small access pits, one near the boundary stop tap and one where the pipe enters the house, then drive a mole between them and pull a new MDPE supply pipe through behind it. Your driveway, lawn and paving stay intact, and most jobs are finished in a single day.
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Why choose us?
Fast turnaround & competitive pricing
Minimal mess & no trenches
Fully approved & insured
Friendly, professional service
What is Moling?
In a town like Horley, where almost the entire area sits on heavy Weald Clay, trenchless moling is a far better fit than open trenching for replacing a buried supply pipe. The Low Weald clay is impermeable and poorly draining, so it turns sticky and waterlogged in wet weather, which makes a traditional trench slow to dig, messy to spoil away and slow to reinstate. With moling we avoid almost all of that. We excavate two small pits, one near the boundary stopcock and one near the property, then drive an impact mole through the ground between them and pull a new MDPE pipe along behind it. The old lead pipe is disconnected at both ends and left in the ground, and the clay route between the pits is never opened up. On a saturated Weald Clay garden in Horley, leaving that ground undisturbed is the single biggest practical advantage of the no-dig approach.
Why Replace Lead Pipes?
Horley sits in the SES Water supply territory, drawing from chalk and Lower Greensand aquifers that make the water very hard. Adjacent SES zones at Redhill and Reigate read around 280 ppm as calcium carbonate, and Horley is reliably hard on the same network. The lead in tap water comes from the old pipe itself, dissolving into water that has been standing overnight in an ageing lead supply line, so the original lead lines still in service under Horley’s older and postwar homes are the ones worth replacing.
Most Horley homeowners get in touch after one of these:
- A failed lead test or a flag raised by their plumber
- A letter from SES Water about lead in the supply
- Discoloured or metallic-tasting tap water
- Noticeably low water pressure compared with neighbours
- A solicitor or surveyor raising it during a property sale
Replacing the lead supply pipe with MDPE by moling is the standard fix, and on most Horley properties it’s a single-day job that leaves your garden and driveway as we found them.
Key Benefits of Moling
No-Dig, Mess-Free Installation
Protects your landscaping and driveway.
Replaces Old Lead Supply Pipes
Meets modern water safety standards.
Improves Water Pressure
Smooth, wide pipes enhance flow.
Provides Cleaner, Safer Water
Eliminates contamination risk.
Faster & More Affordable
Reduces labour and reinstatement costs.
Our Services
Lead Water Pipe Replacement
Water Main Supply Pipe Replacement
Replacing Water Mains from House
Electric Armoured Cable Installation
Utility Installations
Service Areas (40-Mile Radius of Guildford)
- Surrey
- Hampshire
- Berkshire
- Buckinghamshire
- Oxfordshire
- Hertfordshire
- Sussex
- London
Resources & Guides
Lead Pipe Replacement Cost in 2025 – A Homeowner’s Guide
Typical cost: £800–£2,000, depending on pipe length, access, and surface type. Trenchless moling helps avoid costly restoration work — and we always provide fixed, transparent quotes.
- Discoloured or metallic-tasting water
- Low water pressure
- Frequent leaks or damp spots
- Property built before 1970
- Visible corrosion or old lead/steel pipes
1. Site Survey
2. Moling Setup
3. Pipe Installation
4. Connection
5. Restoration
Most jobs are completed within one day.
07554 708609 Get a quick quote
Areas we cover
Hampshire & Surrey borders: Aldershot, Basingstoke, Camberley, Farnborough, Fleet, Frimley, Hook
South West Surrey: Farnham, Frensham, Godalming, Guildford, Haslemere, Hindhead
North Surrey & Thames: Addlestone, Chertsey, Egham, Epsom, Kingston, Leatherhead
South London: Bromley, Croydon
Sussex & South Surrey: Crawley, Horley, Horsham
© 2026 T&L Moling Contractors
Experts in Trenchless Moling & Lead Pipe Replacement across Horley and the surrounding areas.