Start a Project

Build & Transform / House Extensions

Build with vision.Transform with precision.

Single and double-storey extensions across the UK — designed, built, cleared and cleaned by one professionally managed company.

01Contract
01Point of contact
08Managed stages

An extension is not one job. It is eight.

Most homeowners stitch together an architect, a builder, a skip firm and a cleaner — then spend the project chasing the gaps between them.

We run all of it under one contract, one point of contact, one standard. From the first drawing to the final deep clean, the whole build sits inside a single managed property-lifecycle event.

One coordinated provider removes the gaps where projects stall.

The Extension Lifecycle

Eight stages, one connected track.

01

Plan

Feasibility, planning strategy and permissions scoped before a single drawing is finalised.

02

Design & Build

Architectural design taken straight into a buildable specification — no handover gap.

03

Structural

Structural engineering, steels and calculations signed off before works begin.

04

Construct

Groundworks to finishes delivered by our directly managed construction division.

05

Clear

Builders' waste removed under our Environment Agency waste carrier registration.

06

Clean

Post-construction deep clean so the space is handed over ready to live in.

07

Inspect

Quality and compliance inspections against ISO-managed standards at every gate.

08

Handover

Documented completion, certification and a single accountable sign-off.

Design & Planning Division — Plan, Design & Build, Structural Construction Division — Construct Environmental Division — Clear, Clean Projects & Compliance Division — Inspect, Handover

Everything under one roof

Do they do all of it? Yes.

Every trade an extension needs, delivered and coordinated by one contractor — so nothing falls between two companies.

Groundworks & foundations
Structural steels & alterations
Bricklaying
Roofing
Carpentry & joinery
Plumbing
Electrical works
Heating
Plastering
Flooring & tiling
Kitchen & bathroom installation
Painting & decorating
Builders' waste clearance
Post-construction deep clean

The Project Journey

A gated structure — so it doesn't drag on.

01

Initial consultation

We discuss your plans, your space and what you want the extension to achieve.

02

Site assessment

We visit to review access, ground conditions and constraints before quoting.

03

Scope development

We define exactly what's included — trades, finishes and responsibilities — in writing.

04

Quotation

A clear, itemised quotation covering the full build, clearance and clean.

05

Project planning

A sequenced programme with dates, so you know what happens and when.

06

Construction

Build delivered by our managed teams against the agreed programme.

07

Quality inspections

Gated checks against ISO-managed standards before each stage progresses.

08

Completion & handover

Cleared, cleaned, certified and signed off — ready to move into.

Every stage is gated and dated — no open-ended timelines, no quiet overruns.

Ready to scope your extension?

Share your plans, photographs and a rough budget — we'll arrange a site assessment.

Accreditation & Compliance

Managed to recognised standards.

Quality

ISO 9001 Quality Management

Certificate No.—
Expiry—
Environmental

ISO 14001 Environmental Management

Certificate No.—
Expiry—
Health & Safety

ISO 45001 Occupational Health & Safety

Certificate No.—
Expiry—
Qualification

Constructionline

Membership No.—
Expiry—
Safety

Alcumus SafeContractor

Registration No.—
Expiry—
Waste

Environment Agency Waste Carrier Registration

Registration No.—
Expiry—
Data

ICO Registration

Reference No.—
Expiry—
On every build

CDM, RAMS & Risk Assessments

Managed and documented as standard.

Compliance is built in. Applicable CDM responsibilities, RAMS and risk assessments are managed on every extension build — not treated as paperwork added at the end.

Nationwide Coverage

Delivered across the UK.

England

  • London & South East
  • South West
  • East of England
  • East & West Midlands
  • Yorkshire & Humber
  • North West
  • North East

Scotland

  • Central Belt
  • Highlands
  • Lowlands & Borders

Wales

  • North Wales
  • Mid Wales
  • South Wales

Northern Ireland

  • Belfast & surrounds
  • Region-wide

Head office in Burnham, Buckinghamshire — extension projects delivered nationwide. Availability confirmed by location, scope and access.

Start your extension with one partner, not five.

01753 463799 support@lucyandphilltd.co.uk 46–48A Dorney House, Burnham, Buckinghamshire, SL1 7JP