Extension type guides

Extension Type Guides

In-depth guides for every type of home extension — costs, planning, design, and timelines.

Single Storey Rear Extension: Complete Guide 2026

A single-storey rear extension is the most common home improvement project in the UK — and for good reason.

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Two Storey Extension: Planning, Cost & Design Guide 2026

A two-storey extension doubles the space you gain compared to a single-storey extension on the same footprint — and it costs significantly less than twice as much, because you share foundations and a roof.

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Side Return Extension Guide: Costs, Planning & Design 2026

A side return extension fills the narrow alley that runs alongside your kitchen — typically found on Victorian and Edwardian terraces.

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Wrap-Around Extension Guide: Cost, Planning & Design 2026

A wrap-around extension combines a side return and rear extension into one L-shaped space.

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Loft Conversion: Complete Guide to Types, Costs & Planning 2026

A loft conversion is one of the most cost-effective ways to add a bedroom, bathroom, or home office without losing garden space.

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Garage Conversion Guide: Cost, Planning & Design 2026

A garage conversion is one of the most affordable ways to add a room to your home.

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Kitchen Extension: Design, Cost & Planning Guide 2026

A kitchen extension is the single most popular home improvement project in the UK.

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Open-Plan Living Guide: Wall Removal, Costs & Design 2026

Open-plan living does not always require an extension.

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Orangery vs Conservatory: Complete Guide 2026

An orangery sits between a conservatory and a full extension.

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Porch Extension Guide: Cost, Planning & Design 2026

A porch extension is one of the simplest ways to improve your home's entrance.

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Bungalow Extension Guide: Rear, Side, Upwards & Conversions 2026

Bungalows offer unique extension opportunities.

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Basement Extension Guide: Costs, Planning & Feasibility 2026

A basement extension creates living space beneath your home.

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