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    Completed LINX rear extension with black steel-framed glazing onto the garden

    From enquiry to completion

    How it works

    A fully managed, structured and transparent construction service — from your first enquiry through to completion.

    Whether we design and build your project, or build from drawings you already have, you will know what happens at every stage and how long it typically takes.

    The journey in pictures

    From first visit to final handover

    Every project passes through the same four moments. Below them, the full journey step by step — and how long each stage typically takes.

    1. Aerial view of a terraced house in Earlsfield with its rear and side extension by LINX

      01

      Site survey

      Property assessment and feasibility review, then a survey and measurements of the house.

    2. Proposed ground floor plan of a Victorian terrace with the LINX Design & Build title block

      02

      Drawings

      Architectural drawings and proposed layouts, revised until you approve them.

    3. A LINX project under construction, scaffolded at the rear of a four-storey house

      03

      Build

      Construction managed by a dedicated project manager and site foreman, with daily progress updates.

    4. Finished sitting room in a period home renovated by LINX

      04

      Handover

      Final inspections and snagging, certificates and warranties, and a walkthrough of the finished home.

    Your project, step by step

    Choose the journey that fits your project. Select a stage to see what happens.

    All timelines are indicative. Your project-specific schedule is confirmed before construction.

    For clients who need the whole project managed: design, planning, building regulations and construction, from initial enquiry through to completion.

    Permitted Development

    Permitted Development projects may not need the planning stage, but they must still meet all legal, technical and Building Control requirements.

    Estimated construction timelines

    Choose your project type to see its typical construction duration.

    Single-storey extension — typical construction duration

    8–12 weeks

    These are indicative construction durations only. Final programmes depend on project scope, site conditions, approvals and material availability.

    Project management — what every client receives

    Once a construction contract is agreed.

    • JCT Construction Contract

      Clearly agreed terms and scope of works.

    • Payment Plan

      Structured payments aligned with agreed project milestones.

    • Construction Programme

      A detailed schedule showing key stages and anticipated completion.

    • Dedicated Full-Time Project Manager

      Responsible for overseeing project delivery.

    • Dedicated Full-Time Site Foreman

      Managing daily site operations and trades.

    • Daily Progress Updates

      Keeping customers informed about ongoing works.

    • Weekly Progress Reports

      Summary of completed works, upcoming activities and programme progress.

    • Quality Control

      Regular inspections throughout construction.

    • Completion & Handover

      Final inspections, snagging and relevant certification.

    Ready to start your project?

    Book a free consultation, ask for a quote, or upload the drawings you already have.