New chapter for historic St Albans site with 21st century gas main project

in your area

  • 1.5km of ageing gas mains to be replaced with tough new pipes in Mud Lane, St Albans, in essential project
  • Archaeological and historic experts called in to assist with planning work  in historic Verulamium Park
  • Project will help keep safe and reliable gas supplies flowing for cooking and heating into the future

Engineers are working with archaeological experts and historians as they plan to deliver an essential project that will help keep locals connected to safe and reliable gas supplies for cooking and heating.

Work is due to start on Monday 13 March and is currently scheduled to last for up to 12 weeks. Engineers will replace 1.5km of ageing metal gas mains with tough new pipes in Mud Lane, off Holywell Hill, and historic Verulamium Park.

The work involves replacing the gas mains that run under and adjacent to Mud Lane, which lead to Westminster Lodge Leisure Centre and the main path through Verulamium Park.  Signs will re-direct pedestrians to alternative routes while the work is taking place.

To minimise inconvenience to the community the new pipes will be inserted into the old mains.

Verulamium Park stands on part of the site of the Roman city of Verulamium. At one time the city was the third largest settlement in Roman Britain after Londonium (modern day London) and Corinium (modern day Cirencester). Britain’s first recorded martyr Saint Alban is said to have been  beheaded outside the city’s gates on the site of the present day Cathedral. Today visitors can view Roman remains including walls, the outline of part of the basilica and a hypocaust (heated floor) complete with heated mosaic. Many more artefacts still lie undisturbed beneath the ground.  

Project Engineer Dilbir Chana said: “We’re very conscious that we’ll be working on some very historic ground.

“Our project team is working very closely with Historic England and archaeologists to ensure that our work doesn’t adversely impact the area in anyway.”

At some stage during the project a lane closure will need to be implemented along a 50m stretch of Mud Lane. It’s anticipated that this will be for a period of two to three weeks and traffic flows will be maintained by using temporary traffic lights.

Work will involve replacing service pipes to some properties and engineers will require access to do this work which will involve temporarily switching off the gas supply to the properties involved. Those affected will be notified beforehand.

Local facilities such as Westminster Lodge Leisure Centre will remain open as usual.

All National Grid engineers carry official identity cards, which people should ask to see before allowing them on their property.

To verify an engineer’s identity or for any enquiries about this work people should contact National Grid’s customer services team on 0800 096 5678.

To find out more about National Grid‘s gas mains replacement work go to

This press release relates to Cadent work.  It does not have Cadent branding on it, due to this press release being published prior to 1st May 2017, when this gas distribution business was part of National Grid’s group of businesses.


Cadent is the UK’s largest gas distribution network with a 200-year legacy.  We are in a unique position to build on strong foundations whilst encouraging the curiosity to think differently and the courage to embrace change.  Day to day we continue to operate, maintain and innovate the UK’s largest gas network, transporting gas safely and protecting people in an emergency.   Our skilled engineers and specialists remain committed to the communities we serve, working day and night to ensure gas reaches 11 million homes from Cumbria to North London and the Welsh Borders to East Anglia, to keep your energy flowing. 

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Media contacts

Ben Green

07773 122925