Impact moling
Connect below.
Preserve above.
Install pipes and ducts beneath paths, driveways and lawns without opening a continuous trench.
Discuss your siteSchematic illustration. Method and dimensions depend on the site.
The method & the benefit
Careful work starts with the right method.
Install new pipes and service ducts beneath paths, driveways and lawns while avoiding a continuous open trench. Impact moling uses a pneumatic boring tool to create an underground route between launch and reception pits, reducing surface disturbance, spoil and reinstatement work on suitable sites. It is particularly useful where paving, established landscaping or access would make conventional trenching disruptive. Our Central London approach combines compact equipment with careful route planning, utility checks and assessment of ground conditions. Where trees are nearby, the proposed alignment must also respect arboricultural requirements. Tell us what needs connecting, and we will assess the options.
Where it can help
Made for
sensitive ground.
- New service ducts across established gardens
- Water-pipe routes beneath suitable paths and lawns
- Connections beneath driveways and landscaped surfaces
- Sites where extensive reinstatement would be disruptive
Before work starts
The site
sets the method.
- An assessed route between launch and reception pits
- Existing services, trial holes and required clearances
- Ground conditions, obstacles and suitable pipe sizes
- Tree constraints, alignment and reinstatement of access pits
From the garden to the ground
Two pits.
A considered route.
Small access points can make a substantial difference to the amount of paving, lawn or planting disturbed. The aim is to preserve the surface between them, where the assessed route and ground conditions allow.
Working near established trees ↗Good questions
Know where
you stand.
Does impact moling mean no digging?
No. Launch and reception pits are required, and extra investigation pits may be needed to locate services. The advantage is avoiding a continuous trench along the full route.
Can the mole steer around roots or utilities?
An impact mole is aimed along a straight route; it does not steer around obstacles. The route must be assessed in advance. If it cannot be made suitable, a different method or alignment is needed.
Is moling automatically suitable inside a root protection area?
No. Trees, ground conditions, access pits and the proposed alignment all need assessment. Where relevant, the method must be agreed with the project’s arboricultural adviser and comply with site-specific requirements.
Central London · Specialist ground works