Single Storey House Extensions in London
Create more space with a beautifully designed single storey extension. Architectural drawings, planning permission and building regulations handled.
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Single Storey House Extensions in London
A single storey rear or side extension is one of the most cost-effective ways to create additional living space. Crown Architecture designs high-quality single storey extensions that seamlessly integrate with your existing property.
Whether you need a larger kitchen-diner, a home office, a playroom, or an open-plan living area, our architects will design a space that maximises natural light, flow, and kerb appeal.
Single Storey Extension Types
- Rear Extension — extends into your garden, ideal for open-plan kitchen-diners
- Side Return Extension — fills in the narrow passage beside your home
- Wrap-Around Extension — combines rear and side return for maximum space
- Orangery / Garden Room — glazed extensions bringing the outside in
Our Single Storey Extension Service Includes
- Architectural design drawings and 3D visualisations
- Planning permission application management
- Building regulations drawings and structural calculations
- Party wall agreements (where required)
- Tender package for builders
What Our Clients Say
“Crown Architecture made the entire process stress-free. From first consultation to planning approval took just 9 weeks. Exceptional service.”
“Professional, responsive, and incredibly knowledgeable. Our project came in on budget and the design exceeded our expectations.”
“Got planning permission in 8 weeks — we’d been refused before with a different architect. Crown Architecture understood exactly what the council wanted.”