Property stock
Heronsgate private estate, Arts-and-Crafts Metroland detached homes, 1930s mock-Tudor, contemporary rebuilds on half-acre-plus plots. Chilterns AONB sits at the western edge.
Basement Construction · Chorleywood · WD3
Single-storey, double-storey and lightwell basement excavations under existing London homes. Delivered for Chorleywood across WD3, coordinated with Three Rivers District Council.

Overview
HXL delivers basement construction in Chorleywood and across the wider Home Counties. Basement construction under existing London townhouses, semi-detached and detached homes is high-margin, technically demanding work that HXL routinely delivers. Single-storey excavations under footprint, double-storey schemes, lightwell and sub-pavement vault construction in conservation-area streets. All schemes include temporary-works design, structural propping, BS 8102-compliant waterproofing, and party wall coordination across all affected neighbours.
Chorleywood · local context
Property stock
Heronsgate private estate, Arts-and-Crafts Metroland detached homes, 1930s mock-Tudor, contemporary rebuilds on half-acre-plus plots. Chilterns AONB sits at the western edge.
Planning & conservation
Chorleywood Common protected open space. Conservation area pockets in the historic village core. Green Belt surrounds the built-up area.
Planning: Three Rivers District Council
Typical scope
Representative work HXL undertakes across Chorleywood.
How we deliver
01
Ground investigation, structural engineering design, party wall service, planning consent where the scheme falls outside permitted development.
02
Underpin, install temporary works, excavate, remove spoil, construct retaining walls.
03
BS 8102 system installation, M&E first fix, plant install, second fix and finishes.
04
Structural sign-off, Building Control completion, waterproofing system warranty, 12-month workmanship warranty.
Questions
Yes. HXL delivers basement construction across Chorleywood (WD3) and the wider Home Counties, as a principal contractor under a single JCT contract.
Three Rivers District Council. Chorleywood Common protected open space. Conservation area pockets in the historic village core. Green Belt surrounds the built-up area. HXL coordinates the planning submissions and statutory consents in-house, alongside your architect.
Heronsgate private estate, Arts-and-Crafts Metroland detached homes, 1930s mock-Tudor, contemporary rebuilds on half-acre-plus plots. Chilterns AONB sits at the western edge.
More in Chorleywood
Basement Construction elsewhere
Enquire
HXL takes on a selective number of projects each year. A short note with the site, scope, appointed architect (if any) and likely timescale is all we need to open a conversation.
Private Residential
Homeowners with projects from £500k to £3m+, London and the Home Counties.
Residential Developments
Blocks of flats, multi-unit schemes, resale-ready delivery.
Heritage & Period
Listed buildings, conservation areas, period townhouses.