House Extensions in Clapham

    Transform your SW4 property with expert house extensions. Specialising in side returns, rear extensions, and wraparound builds across Clapham.

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    Why Clapham Homeowners Choose Us

    Add Value

    Extensions can add 15-20% to your property value in SW4

    Quick Build

    Most extensions completed in 8-12 weeks

    SW4 Specialists

    Deep knowledge of Clapham planning requirements

    FMB Accredited

    Full insurance and quality guarantees

    House Extension Options in Clapham

    Side Return Extension

    From £48,000

    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 £70,000

    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 £90,000

    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

    Clapham Extension Expertise

    Conservation Area Planning

    Parts of Clapham are within conservation areas. We have extensive experience navigating additional planning requirements while achieving your design goals.

    Victorian Property Specialists

    Clapham's Victorian terraces require sensitive extension design. We blend modern additions seamlessly with period features and traditional materials.

    Party Wall Expertise

    With predominantly terraced housing, party wall agreements are essential. We manage the entire process professionally, protecting your interests and your neighbours'.

    Local Knowledge

    We understand Clapham's streets, parking restrictions, and delivery access. Our team coordinates all logistics efficiently to minimise disruption to you and your neighbours.

    House Extension Costs in Clapham

    Side Return Extension (15m²)£48,000 - £65,000
    Single-Storey Rear (25m²)£70,000 - £90,000
    Wraparound Extension (35m²)£90,000 - £130,000
    Two-Storey Extension (50m²)£130,000 - £200,000

    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