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 services in Northampton (26)

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Normz Plumbing Ltd
9.56
(176 reviews)
Operates in Northampton
Services & skills
Plumber
Water Mains Specialist (Pipe Replacement, Moling and Lead Pipes)
Shower Installation
Water Pumps Installation
Water Leak Detection
Call
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L.C.A. Maintenance Services Ltd
9.55
(558 reviews)
Operates in Northampton
Services & skills
Plumber
Water Mains Specialist (Pipe Replacement, Moling and Lead Pipes)
Emergency Plumber Service
Power Flushing
Underfloor Heating Repair
Call
T
Toseland Plumbing and Heating and Property Services
9.95
(7 reviews)
Operates in Northampton
Services & skills
Plumber
Water Mains Specialist (Pipe Replacement, Moling and Lead Pipes)
Water Leak Detection
Shower Repair
Radiator Thermostat Valve Installation
Call
L.C.A. Maintenance Services Ltd
9.55
(558 reviews)
Operates in Northampton
Services & skills
Plumber
Water Mains Specialist (Pipe Replacement, Moling and Lead Pipes)
Tap Repair
Bathroom & Kitchen Plumbing
Water Leak Detection
Call
JB Plumbing Services
9.81
(25 reviews)
Operates in Northampton
Services & skills
Plumber
Water Mains Specialist (Pipe Replacement, Moling and Lead Pipes)
Bathroom & Kitchen Plumbing
Unvented Hot Water Cylinder Installation
Radiator Repair
Call
Normz Plumbing Ltd
9.56
(176 reviews)
Operates in Northampton
Services & skills
Plumber
Water Mains Specialist (Pipe Replacement, Moling and Lead Pipes)
General Plumbing
Power Flushing
Emergency Plumber Service
Call
Reactive Gas, Heating and Plumbing Services
9.20
(367 reviews)
Operates in Northampton
Services & skills
Plumber
Water Mains Specialist (Pipe Replacement, Moling and Lead Pipes)
Blocked Toilets
Water Leak Detection
Bathroom & Kitchen Plumbing
Call
Emergency Plumbing Services 24/7
9.54
(13 reviews)
Operates in Northampton
Services & skills
Plumber
Water Mains Specialist (Pipe Replacement, Moling and Lead Pipes)
Water Pumps Installation
Shower Repair
Blocked Toilets
Call
GMW General Repairs
9.88
(49 reviews)
Operates in Northampton
Services & skills
Plumber
Water Mains Specialist (Pipe Replacement, Moling and Lead Pipes)
Blocked Baths
General Plumbing
Thermal Dynamics
Call
Noka Plumbing Limited
9.20
(133 reviews)
Operates in Northampton
Services & skills
Plumber
Water Mains Specialist (Pipe Replacement, Moling and Lead Pipes)
Plumbing Repairs
Emergency Plumber Service
Water Pumps Repair
Call
Nyko Plumbing
9.87
(181 reviews)
Operates in Northampton
Services & skills
Plumber
Water Mains Specialist (Pipe Replacement, Moling and Lead Pipes)
Water Supply Pipe Repairs
Water Leak Detection
Shower Installation
Call
M&P Plumbing and Heating LTD
9.33
(70 reviews)
Operates in Northampton
Services & skills
Plumber
Water Mains Specialist (Pipe Replacement, Moling and Lead Pipes)
Unvented Hot Water Cylinder Installation
Underfloor Heating Repair
Water Leak Detection
Call

Top rated moling services in Northampton

/10

649 ratings

Our moling services in Northampton are rated an average of 10 out of 10 based on a sample of 649 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 Northampton

If you need a water mains specialist in Northampton, 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 Northampton can recommend the most efficient and cost-effective approach for your property.

Water main replacement and moling in Northampton

A water main replacement in Northampton 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 services in Northampton (26)

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Normz Plumbing Ltd

Services & skills

L.C.A. Maintenance Services Ltd

Services & skills

Toseland Plumbing and Heating and Property Services

Services & skills

L.C.A. Maintenance Services Ltd

Services & skills

JB Plumbing Services

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Normz Plumbing Ltd

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Reactive Gas, Heating and Plumbing Services

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Emergency Plumbing Services 24/7

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GMW General Repairs

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Noka Plumbing Limited

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Nyko Plumbing

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M&P Plumbing and Heating LTD

Services & skills

Water mains specialists in Northampton

Water main replacement and moling in Northampton

Water main replacement costs in the UK

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