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Architectural Services

Wrap-around Extension

Create more than just one area and maximise your space.

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Benefits of a Wrap-around Extension.

A wraparound extension combines rear and side extensions into an L-shaped addition, creating significantly more space than either alone. This approach works particularly well for corner plots or homes with underused side access, delivering a transformative open-plan layout.

Wrap-around Extension illustration

What's Included

Every wrap-around extension project includes architect-led design and full technical documentation.

  • Site survey including side access assessment
  • L-shaped floor plan design with zoning options
  • Planning application with neighbour impact analysis
  • Structural design for corner junction
  • Full construction and Building Regulations package
RIBA Chartered

Why work with us?

  • Architect-led from day one
  • Fixed fees, no surprises
  • Planning success rate over 95%
  • Direct communication throughout
Learn more about our approach →

The Benefits of Wrapping Around

A wraparound extension offers advantages over separate rear or side additions:

  • Maximum floor area - Fill the L-shape of your plot rather than leaving dead space
  • Flexible layout - Create distinct zones (kitchen, dining, living) within one flowing space
  • Natural light from two directions - Windows and doors on two external walls eliminate dark corners
  • Single build project - One set of foundations, one roof, one disruption period

Planning Considerations

Wraparound extensions often require planning permission due to their scale:

  • Side element visibility - If visible from the street, design quality and materials become critical
  • Boundary proximity - Side extensions near boundaries may affect neighbours
  • Combined footprint - Total coverage must not exceed 50% of your garden
  • Height at junction - Where rear and side meet, roof design needs careful consideration

We assess your specific plot constraints and advise on the best planning strategy.

Design Opportunities

The L-shape opens up creative possibilities:

  • Internal courtyard feel - The corner can frame garden views from multiple angles
  • Kitchen island positioning - Central islands work beautifully with wraparound layouts
  • Separate utility access - Side door for boots, bins, and laundry away from main living space
  • Varied ceiling heights - Mix flat and pitched roofs for architectural interest

Common Questions

Is a wraparound extension more expensive than a rear extension?

Yes, but not proportionally. The additional side element adds around 30-40% to the cost of a rear-only extension, while potentially doubling the floor area gained.

Do I need planning permission for a wraparound extension?

Usually yes. While rear and side elements might individually fall under Permitted Development, the combined scale and side visibility typically require a planning application.

What if I have a narrow side access?

Even a 1-metre wide side return can be valuable when combined with a rear extension. We design to maximise whatever space you have available.

How long does a wraparound extension take?

Construction typically takes 14-20 weeks. The design and planning stage usually takes 8-12 weeks, including the 8-week planning determination period.

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