What is water main moling?

Water main moling is a trenchless technique where a pneumatic “mole” drills underground, allowing a new pipe to be installed with minimal surface excavation.

How much does a water main moling installation cost?

Most domestic water main moling projects cost __between £1,200 and £3,000__, depending on ground conditions and pipe length.

When should I replace my water main?

It’s worth replacing if you have lead or galvanised pipes, repeated leaks, or consistently low pressure.

Do I need permission to replace a water main?

You’ll only need approval if connecting to the public main. Private supply pipework within your boundary can usually be replaced without permission.

Can moling be used for all properties?

Moling suits most domestic properties, but very rocky ground or long distances may require traditional trenching instead.

moling contractors in Sunbury (77)

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JF PLUMBING & HEATING SPECIALISTS LTD
10.00
(2 reviews)
Operates in Sunbury-on-Thames
Services & skills
Plumber
Water Mains Specialist (Pipe Replacement, Moling and Lead Pipes)
Shower Repair
Tap Repair
Power Flushing
Call
All Tanked Up Plumbing & Heating
9.98
(160 reviews)
Operates in Sunbury-on-Thames
Services & skills
Plumber
Water Mains Specialist (Pipe Replacement, Moling and Lead Pipes)
Tap Repair
General Plumbing
Emergency Plumber Service
Call
M&tplumbingandheating Ltd
9.45
(155 reviews)
Operates in Sunbury-on-Thames
Services & skills
Plumber
Water Mains Specialist (Pipe Replacement, Moling and Lead Pipes)
Radiator Thermostat Valve Installation
Blocked Baths
Underfloor Heating Repair
Call
Approved Plumbing and Heating Solutions
9.79
(94 reviews)
Operates in Sunbury-on-Thames
Services & skills
Plumber
Water Mains Specialist (Pipe Replacement, Moling and Lead Pipes)
Water Leak Detection
Blocked Baths
Bathroom & Kitchen Plumbing
Call
24/7 Plumbing & Heating
9.94
(455 reviews)
Operates in Sunbury-on-Thames
Services & skills
Plumber
Water Mains Specialist (Pipe Replacement, Moling and Lead Pipes)
Blocked Toilets
Thermal Dynamics
Radiator Thermostat Valve Installation
Call
K D Plumbing & Heating Services
8.85
(335 reviews)
Operates in Sunbury-on-Thames
Services & skills
Plumber
Water Mains Specialist (Pipe Replacement, Moling and Lead Pipes)
Underfloor Heating Installation
Shower Installation
Radiator Thermostat Valve Installation
Call
Surrey Gas And Plumbing
9.94
(48 reviews)
Operates in Sunbury-on-Thames
Services & skills
Plumber
Water Mains Specialist (Pipe Replacement, Moling and Lead Pipes)
Radiator Installation
Power Flushing
Unvented Hot Water Cylinder Installation
Call
Mizzen Heating And Plumbing
9.67
(388 reviews)
Operates in Sunbury-on-Thames
Services & skills
Plumber
Water Mains Specialist (Pipe Replacement, Moling and Lead Pipes)
General Plumbing
Radiator Thermostat Valve Repair
Pipe Fitter
Call
LA Painters And Decorators
9.61
(141 reviews)
Operates in Sunbury-on-Thames
Services & skills
Plumber
Water Mains Specialist (Pipe Replacement, Moling and Lead Pipes)
Water Pumps Installation
Radiator Thermostat Valve Repair
Bathroom & Kitchen Plumbing
Call
D Stevens Plumbing and Heating
9.92
(32 reviews)
Operates in Sunbury-on-Thames
Services & skills
Plumber
Water Mains Specialist (Pipe Replacement, Moling and Lead Pipes)
Shower Installation
Blocked Toilets
General Plumbing
Call
Matbridge Projects Ltd
9.93
(41 reviews)
Operates in Sunbury-on-Thames
Services & skills
Plumber
Water Mains Specialist (Pipe Replacement, Moling and Lead Pipes)
Radiator Repair
Emergency Plumber Service
Water Pumps Repair
Call
R T Plumbing
10.00
(99 reviews)
Operates in Sunbury-on-Thames
Services & skills
Plumber
Water Mains Specialist (Pipe Replacement, Moling and Lead Pipes)
Blocked Baths
Thermal Dynamics
Blocked Sinks
Call

Top rated moling contractors in Sunbury-on-Thames

/10

277 ratings

Our moling contractors in Sunbury-on-Thames are rated an average of 10 out of 10 based on a sample of 277 reviews from customers like you*

*This review aggregate is based on real customer reviews from a randomly selected postcode in this area

Water mains specialists in Sunbury-on-thames

If you need a water mains specialist in Sunbury-on-thames, finding a qualified professional is key to solving leaks, bursts, and low-pressure problems safely and efficiently.

From leak detection to full pipe replacement, experts can inspect, repair, or upgrade your supply line using the latest technology — including water main moling for minimal disruption.

Typical services include:

Leak detection and pipe tracing
Lead pipe replacement and MDPE upgrades
Trenchless water main moling installations
Full water main replacement
New connections and diversions

Replacing old or corroded pipework can improve water pressure, flow, and quality throughout your home.

Specialists in Sunbury-on-thames can recommend the most efficient and cost-effective approach for your property.

Water main replacement and moling in Sunbury-on-thames

A water main replacement in Sunbury-on-thames typically involves isolating the old supply, installing new MDPE pipe, and reconnecting it to the main network.

Many engineers now use moling technology — a trenchless method that allows new pipes to be installed underground with minimal digging.

Moling is ideal if your supply runs beneath driveways, lawns, or patios, reducing reinstatement costs and keeping your property disruption-free.

Water main replacement costs in the UK

The cost of replacing a water main depends on the distance from the boundary to your property, pipe size, and access. Below is a general guide of prices you can expect to pay:

Leak detection survey – £150-£400
Lead pipe replacement – £600-£1,500
Full water main replacement (standard domestic property) – £1,000-£2,500+
Water main moling installation – £1,200-£3,000+

If the route passes under hard surfaces or shared access areas, additional reinstatement fees may apply.

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moling contractors in Sunbury (77)

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Describe your job

JF PLUMBING & HEATING SPECIALISTS LTD

Services & skills

All Tanked Up Plumbing & Heating

Services & skills

M&tplumbingandheating Ltd

Services & skills

Approved Plumbing and Heating Solutions

Services & skills

24/7 Plumbing & Heating

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K D Plumbing & Heating Services

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Surrey Gas And Plumbing

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Mizzen Heating And Plumbing

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LA Painters And Decorators

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D Stevens Plumbing and Heating

Services & skills

Matbridge Projects Ltd

Services & skills

R T Plumbing

Services & skills

Water mains specialists in Sunbury-on-thames

Water main replacement and moling in Sunbury-on-thames

Water main replacement costs in the UK

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