Service · Main Contract Construction
Principal contractor delivery. New builds, refurbishments, extensions, conversions, basements.
Overview
The core of HXL's business. We act as principal contractor under JCT Standard or Design & Build across residential schemes from £500k to £5m+. Scheme types include ground-up new builds, full-house refurbishments, side and rear extensions, loft conversions, basements and multi-unit development. Delivered by a resident site team to a dated programme.
How we deliver
The main contract construction process.
01
Mobilisation
Site compound, hoarding, welfare, CDM leadership appointed.
02
Substructure & shell
Groundworks, substructure, frame, envelope. Weekly programme tracked.
03
First and second fix
M&E rough-in, plastering, joinery, finishes. Site QS valuing weekly.
04
Completion
Snagging, commissioning, handover and O&M documentation pack.
Questions
What clients ask about main contract construction.
Fixed price as standard. Cost-plus considered on exceptional complexity (e.g. heritage discovery work).
New-build detached home: 14 to 24 months. Full refurb with extension: 10 to 18 months. Loft + wrap-around: 6 to 10 months.
Other services
The rest of HXL's capability.
Planning Coordination
Planning submissions, approvals and consents. Handled in-house alongside your architect.
Architect Partnership
Appointed as principal contractor for architect-led schemes. Drawings are the brief.
Structural & Engineering
Structural, MEP, acoustic and sustainability consultants. Procured and coordinated as part of one contract.
Enquire
Tell us the project in a paragraph. We reply within one working day.
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.