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We are replacing a kilometre of metal pipes along Market Place Chalfont St Peter and surrounding streets, over ten weeks during the summer from 27 July to 27 September 2026.
We are working in collaboration with Buckinghamshire Council to complete this work before they start their carriageway repairs.
Our scheme involves the replacement of the iron gas pipes which were originally installed in the last century with one kilometre of tough new pipes which will last for decades, future proofing the local network.
Work starts on Monday 27 July and will be carried out in phases in the following roads:
Market Place 27 July – 5 August
Road closure from the junction of The Vale to Gold Hill East.
Gold Hill East 6 August – 16 August
Multi way traffic lights from the junction of Market Place to outside of the Dower House.
Hampden Road 17 August – 25 August
Road closure from the junction of Churchfield Road to Nicol Road
Nicol Road 17 August – 6 September
Road closure from the junction of Hampden Road to outside of Belvedere
Gold Hill East (Service Road) 7 September – 27 September
Road closure from the junction with Cherry Tree Lane to Austenwood Lane
Working hours: We are utilising extended working hours seven days a week to minimise disruption and complete the works as safely and efficiently as possible.
Our team will be on site during these hours to help manage the traffic flow, road closures and manage the temporary traffic lights.
Monday to Friday 7am to 6pm (engineering activities)
Saturday & Sunday 8am to 4pm (backfill and reinstatement activities)
*Hours may vary if we encounter any engineering difficulties.
Homes, schools, hospitals and other buildings use gas for heat, cooking and hot water, some of the region’s biggest industries need it to power production processes.
These upgrades also mean big environmental gains for the region, as it reduces methane emissions and enables a move to more renewable gases like biomethane. This is essential for a cleaner future - the UK will need energy to come from a range of sources to meet demand and be sustainable.
The work is part of a 30‑year national gas mains replacement programme, which began in 2002. Each year, Cadent replaces around 1.5 per cent of the 20,000 kilometres of gas pipes that make up the North London network, most of which are located beneath roads and pavements.
Our work to replace ageing gas mains is a major engineering project, which we’ve planned carefully with the local authority and where possible, we’ll use innovative methods and technology to minimise disruption and reduce the time taken to do this work.
We are working extended hours but not 24hrs. We do not want to disturb people at night when they are sleeping.
We need to carry out our work during the day as we need access to properties to upgrade their gas service (that’s the smaller pipe that connects gas to their property). When we do this, we need to turn off their gas supply temporarily, test their gas appliances and turn their gas back on.
We’ve notified the bus companies of our works and plans are in place for buses to follow the diversions. Bus stop suspensions will be in place during the final phase of works.
This is a common question we encounter; we’ve contacted the refuse companies to advise them of our work and we’ll work closely with them to ensure collections take place as normal on the dedicated day each week.
There may be times when the team isn’t visible on site during the allotted hours. Although it may appear that no one is working at the site itself, they’ll be working in surrounding roads to insert pipes, make connections and to carry out testing, as well as allow for concrete curing. It is only once we are satisfied that the new pipe is safely supplying gas to customers that we can fill in the holes and tidy up.
Should the need arise, emergency vehicles will need to follow the short diversions.
Yes, we will maintain access to properties during road closures.
Yes, we will endeavour to keep footpaths open as the majority of our pipes are in the carriageway
Yes, HGV’s will need to follow the signposted diversions.
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