House Extensions in Wandsworth

    Transform your SW18 property with expert house extensions. Specialising in side returns, rear extensions, and wraparound builds across Wandsworth.

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    Why Wandsworth Homeowners Choose Us

    Add Value

    Extensions can add 15-20% to your property value in SW18

    Quick Build

    Most extensions completed in 8-12 weeks

    SW18 Specialists

    Deep knowledge of Wandsworth planning requirements

    FMB Accredited

    Full insurance and quality guarantees

    House Extension Options in Wandsworth

    Side Return Extension

    From £45,000

    Perfect for terraced and semi-detached properties. Typically adds 15-20m² of space.

    • Ideal for kitchen extensions
    • Often permitted development
    • 8-10 week build time

    Single-Storey Rear

    From £65,000

    Extend into your garden. Creates open-plan living spaces with natural light.

    • Up to 6m depth (semi-detached)
    • Bi-fold or sliding doors
    • 10-12 week build time

    Wraparound Extension

    From £85,000

    Combines side and rear extensions for maximum space. Transforms ground floor living.

    • Adds 30-40m² typically
    • Open-plan kitchen-diner
    • 12-14 week build time

    Wandsworth Extension Expertise

    Planning in Wandsworth

    We navigate Wandsworth Council's planning requirements expertly. Most single-storey rear extensions qualify for permitted development rights, avoiding full planning applications.

    Victorian & Edwardian Properties

    Wandsworth has many period properties. We specialise in sympathetic extensions that respect original features while creating modern living spaces.

    Party Wall Management

    Most Wandsworth properties are terraced or semi-detached. We handle all party wall agreements professionally, maintaining good neighbour relations.

    Local Logistics

    We understand Wandsworth's streets and parking restrictions. Our team coordinates deliveries and skips efficiently to minimise disruption.

    House Extension Costs in Wandsworth

    Side Return Extension (15m²)£45,000 - £60,000
    Single-Storey Rear (25m²)£65,000 - £85,000
    Wraparound Extension (35m²)£85,000 - £120,000
    Two-Storey Extension (50m²)£120,000 - £180,000

    What's Included:

    • • All structural work and foundations
    • • Roofing, windows, and doors
    • • Plastering and basic decoration
    • • Electrics and heating first fix
    • • Building control and certifications

    Note: Prices exclude kitchen fitting, flooring, and final decorations. VAT included at 20%.

    Frequently Asked Questions

    Get Started

    Ready to talk about your project?

    Free consultation. Transparent, fixed-price quote within 48 hours.

    Reach Out07564 041115