Current construction activity
High level schedule of current works
Thank you for visiting our current construction page. This will be regularly updated for the latest activities.
In the meantime, please contact us with any questions.
- STRABAG and subcontractors have bedded into site.
- Earthworks on the main site progressed during October and November.
- Affinity Water are carrying out a water main diversion in the south western area of scheme. This will have no affect on local supplies.
- Road Works
Please see the dates below for the S278 off site road works that start next year:
· Work Section London Colney Roundabout – commence 19/01/2026
Duration 3 weeks. Works to be undertaken at nights.
Looking to complete works in two halves. Diversion routes to be confirmed with HCC Highway’s and be made available on Causeway one.network
Pedestrian Management to be done locally at works.
Works consist of ; plain off existing wearing course / resurfacing / anti-skid finishings / road marking / reinstatement of traffic signal loops / traffic signal remedials.
· Work Section A414 westbound installation of services and a pedestrian/cycle footpath -commence 09/02/2026
Duration 25 weeks. Works to be undertaken in the day.
Traffic Management westbound only narrow lanes – full time (30mph)
Pedestrian Management, footpath access to remain open full-time
Work consist of ; working in sections - combination of half and full width construction / kerbing and edgings to the new shared pedestrian/cycle footpath / installation of 11KV ducting / footpath formation – sub-base / surfacing / lining & signage
· Work Section Park Street Roundabout – awaiting dates for potential Feb 2026
· Work Section A414 new roundabout development access – awaiting dates
· Work Section Radlett Road A5183 southern access junctions – awaiting dates 2027
· Work Sections M25 Junction 21 & Junction 22 works – awaiting dates 2027
- Area 2 / east of MML
- VolkerFitzpatrick installing rail chord drainage.
- VolkerFitzpatrick installing rail chord formation.
- Country Park Works
- Woodland management (Area 5)
- CMCS Fisheries lake management
- Replacement planting
- New planting
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335,000 sq m of state-of-the-art, sustainable logistics space, enveloped in 250 hectares of managed woodland and conservation grazing.
SEGRO Logistics Park Radlett
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Master Plan
335,000 sq m of state-of-the-art, sustainable logistics space, enveloped in 250 hectares of managed woodland and conservation grazing.
Master plan