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House Extensions in Maidenhead & Berkshire

If you’re looking to create more space without the cost and stress of moving, JMD Interiors specialises in high-quality home extensions across Maidenhead, Marlow, Twyford, Cookham, Woodley, Ascot, and Winkfield.

Whether you want a light-filled kitchen extension, a larger living area, or a two-storey addition, we handle everything from design to final decoration.

Stylish, open bifold doors with plants in summer, revealing interior of a designer, lifest

Why Choose JMD Interiors for Your Extension?

Full Design & Build Service

We manage the entire process — planning, structural work, electrics, plumbing, flooring and finishing.

Friendly, Reliable Team

We’re known for clear communication, tidy working practices, and keeping homeowners updated at every stage.

High-Quality Craftsmanship

Every extension is built to last, with strong attention to detail in both structure and interior finish.

Types of Extensions We Build

  • Single-storey rear extensions

  • Side return extensions

  • Double-storey extensions

  • Kitchen extensions

  • Wrap-around extensions

  • Garage conversions as additional options

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Our Extension Process

  1. Site visit & consultation

  2. Architectural drawings (if required)

  3. Structural engineering & building control

  4. Groundworks & foundations

  5. Brickwork & roofing

  6. First fix (electrics, plumbing, heating)

  7. Plastering & decoration

  8. Final fix & handover

Ready to extend your home?

Contact JMD Interiors for a friendly chat and a free, no-obligation quote.

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