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Planning Approved in Weymouth for Rear Dormer, Single Storey Extension and Front Raked Window

August 2025 Weymouth, Dorset


We’re pleased to confirm that planning permission has been granted for a full-width rear box dormer, a contemporary single storey rear extension and a feature raked window to the front elevation of a home in Weymouth. The application was approved in August 2025 following a detailed design process and positive engagement with the Local Planning Authority.

Rear box dormer with tile cladding, designed to maximise loft space.
Rear box dormer with tile cladding, designed to maximise loft space.

The proposal includes:


  • A rear box dormer, clad in traditional hanging tiles to match the existing roof

  • A single storey extension to expand the ground floor living space

  • A bespoke raked window to the front elevation, enhancing daylight and visual interest


Cut-away view showing the proposed Ground floor
Cut-away view showing the proposed Ground floor

This was not a straightforward submission. The application required careful negotiation, detailed justification of the design approach and close attention to planning policy in a sensitive residential context. We are proud to have delivered a solution that meets the client’s goals while gaining the full support of Dorset Council’s planning department.


This success reflects our ability to deliver results on technically challenging schemes and to unlock potential for homeowners across Weymouth, Portland, and the wider Dorset area.


If you're considering a loft conversion, home extension or seeking help with a planning application in Dorset, get in touch with Rosenkelly Architectural Design. We offer a professional and fully tailored service to help you realise your project with confidence.


Contact us today to start your journey.



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