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 Dorset (9)

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OWB Plumbing & Building
9.97
(30 reviews)
Operates in Dorset
Services & skills
Plumber
Water Mains Specialist (Pipe Replacement, Moling and Lead Pipes)
Blocked Baths
Underfloor Heating Installation
Thermal Dynamics
Call
Astral Services
9.50
(72 reviews)
Operates in Dorset
Services & skills
Plumber
Water Mains Specialist (Pipe Replacement, Moling and Lead Pipes)
Water Supply Pipe Repairs
Blocked Baths
Water Leak Detection
Call
Chris Barrow Plumbing
9.91
(57 reviews)
Operates in Dorset
Services & skills
Plumber
Water Mains Specialist (Pipe Replacement, Moling and Lead Pipes)
Radiator Installation
Underfloor Heating Installation
Pipe Fitter
Call
Porcelain & Pipe
10.00
(8 reviews)
Operates in Dorset
Services & skills
Plumber
Water Mains Specialist (Pipe Replacement, Moling and Lead Pipes)
Plumbing Repairs
Radiator Thermostat Valve Installation
Water Pumps Repair
Call
Laurence Matharoo
9.76
(18 reviews)
Operates in Dorset
Services & skills
Plumber
Water Mains Specialist (Pipe Replacement, Moling and Lead Pipes)
General Plumbing
Shower Repair
Emergency Plumber Service
Call
Gasvolt Plumbing, Heating & Electrical Services
10.00
(66 reviews)
Operates in Dorset
Services & skills
Plumber
Water Mains Specialist (Pipe Replacement, Moling and Lead Pipes)
Radiator Thermostat Valve Repair
Water Pumps Installation
Shower Repair
Call
Powered Up SW Electrical Contractors Limited
9.94
(185 reviews)
Operates in Dorset
Services & skills
Plumber
Water Mains Specialist (Pipe Replacement, Moling and Lead Pipes)
Blocked Sinks
Shower Repair
Blocked Toilets
Call
Churchill Plumbing
10.00
(9 reviews)
Operates in Dorset
Services & skills
Plumber
Water Mains Specialist (Pipe Replacement, Moling and Lead Pipes)
Plumbing Repairs
Bathroom & Kitchen Plumbing
Water Leak Detection
Call
Precise Drainage Solutions Ltd
9.78
(83 reviews)
Operates in Dorset
Services & skills
Plumber
Water Mains Specialist (Pipe Replacement, Moling and Lead Pipes)
Emergency Plumber Service
Blocked Toilets
Blocked Baths
Call

Top rated moling contractors in Dorset

/10

115 ratings

Our moling contractors in Dorset are rated an average of 10 out of 10 based on a sample of 115 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 Dorset

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

Water main replacement and moling in Dorset

A water main replacement in Dorset 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 Dorset (9)

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Describe your job

Describe your job

OWB Plumbing & Building

Services & skills

Astral Services

Services & skills

Chris Barrow Plumbing

Services & skills

Porcelain & Pipe

Services & skills

Laurence Matharoo

Services & skills

Gasvolt Plumbing, Heating & Electrical Services

Services & skills

Powered Up SW Electrical Contractors Limited

Services & skills

Churchill Plumbing

Services & skills

Precise Drainage Solutions Ltd

Services & skills

Water mains specialists in Dorset

Water main replacement and moling in Dorset

Water main replacement costs in the UK

Looking for more tradespeople in Dorset?