Basement Construction · Old Amersham · HP7

Basement Construction in Old Amersham

Single-storey, double-storey and lightwell basement excavations under existing London homes. Delivered for Old Amersham across HP7, coordinated with Buckinghamshire Council.

Basement Construction · Old Amersham

Overview

HXL delivers basement construction in Old Amersham 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.

Old Amersham · local context

Delivering basement construction to Old Amersham's requirements.

Property stock

Old Amersham High Street medieval and Georgian listed properties, Misbourne Valley stock, Metroland detached on the Rectory Road side, Chilterns AONB country homes further out.

Planning & conservation

Old Amersham Conservation Area covers the entire historic core. Chilterns AONB. Very high proportion of Grade II and Grade II* listed buildings.

Planning: Buckinghamshire Council

Typical scope

Representative work HXL undertakes across Old Amersham.

●Grade II listed refurbishment in the High Street core
●Lime plaster, limecrete and breathable retrofit
●Heritage joinery and sash window restoration
●Country home extensions respecting AONB constraints
●Conservation-sensitive M&E upgrades in listed fabric

How we deliver

The basement construction process.

Survey & design

Ground investigation, structural engineering design, party wall service, planning consent where the scheme falls outside permitted development.

Excavation

Underpin, install temporary works, excavate, remove spoil, construct retaining walls.

Waterproofing & fit-out

BS 8102 system installation, M&E first fix, plant install, second fix and finishes.

Sign-off

Structural sign-off, Building Control completion, waterproofing system warranty, 12-month workmanship warranty.

Questions

Basement Construction in Old Amersham.

Yes. HXL delivers basement construction across Old Amersham (HP7) and the wider Home Counties, as a principal contractor under a single JCT contract.

Buckinghamshire Council. Old Amersham Conservation Area covers the entire historic core. Chilterns AONB. Very high proportion of Grade II and Grade II* listed buildings. HXL coordinates the planning submissions and statutory consents in-house, alongside your architect.

Old Amersham High Street medieval and Georgian listed properties, Misbourne Valley stock, Metroland detached on the Rectory Road side, Chilterns AONB country homes further out.

Other services HXL delivers in Old Amersham.

Planning Coordination Architect Partnership Structural & Engineering Building Regulations Main Contract Construction Interior Design & Fit-Out Heritage & Period Specialists Loft Conversions

Basement Construction elsewhere

Basement Construction in nearby home counties areas.

Marlow Beaconsfield Gerrards Cross Virginia Water Cobham Chorleywood Moor Park Estate Loudwater Estate

← All Basement Construction ← Construction in Old Amersham

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.

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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.

London · Home Counties · Buckinghamshire