Rear Extensions
Maximising Ground Floor Square Footage
Single-story rear extensions built to expand your property into your garden footprint seamlessly. We handle all complexities regarding local Thames Water build-over agreements and local planning permissions.
Key Deliverables
Multi-meter ground excavations and foundational concrete pouring.
Large-scale structural knock-throughs to existing rear walls.
Weather-proof masonry builds with built-in drainage systems.
Frequently Asked Questions
About Rear Extension s in West London
Still have questions? Check the FAQ or reach out anytime. If you’re ready, try our cost calculator to see your desired project’s estimated cost.
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We cover Chiswick, Hammersmith, Barnes, Roehampton, Kew, Richmond, Acton, Ealing, Putney, Fulham, and Wandsworth.
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Many rear extensions can be built under Permitted Development rights, so planning permission may not be required. However, this depends on factors such as the size of the extension, your property's location, and whether it's in a conservation area or is a listed building. We'll assess your property and advise on whether planning permission is needed, as well as manage any applications on your behalf.
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A typical rear extension takes 12 to 20 weeks to complete, depending on the size, design, and complexity of the project. Larger extensions or those requiring significant structural work may take longer. We'll provide a detailed project timeline before work begins and keep you informed at every stage.
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The cost of a rear extension varies depending on its size, specification, and the materials used. Features such as large sliding or bi-fold doors, roof lanterns, bespoke finishes, and underfloor heating can all affect the overall budget. We provide clear, itemised quotations with transparent pricing, so you'll know exactly what to expect before construction starts.
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A rear extension is one of the most effective ways to increase your living space without moving home. It can create an open-plan kitchen and dining area, a larger family room, or additional entertaining space while improving natural light and the flow of your home. A professionally built rear extension can also enhance your property's appeal and add long-term value, making it a worthwhile investment for many West London homeowners.
