Planning Drawings

Planning drawings are a key part of any house extension project, whether you are applying for planning permission or working under permitted development.

Clear, accurate drawings help communicate your proposal and give you the best chance of approval.

At Dennis Hellyar Architects, we prepare professional planning drawings and guide homeowners through the process from start to finish.

West Drive house renovation in Porthcawl

What are planning drawings?

  • Existing and proposed plans

  • Elevations

  • Site and location plans

  • Supporting planning information

A proposed floor plan for a house extension.

Who this is for

If you already have a clear idea of your extension and need drawings prepared for submission, we can help turn your ideas into compliant plans.

Proposed section of a house extension in Penarth

Our Service

  • Consultation

  • Survey

  • Drawing preparation

  • Planning guidance

  • Submission support

Proposed Planning Drawing Section for a house extension in Dinas Powys

Design Support

If you are at an earlier stage and need help designing your extension, see our House Extension Plans service

Sketch visualisation of a house extension in Cardiff

Cost

Costs vary depending on the size and complexity of the project.

Rendered visualisation of a house extension in Cardiff

Locations

Areas we cover

We work with homeowners across:

  • Cardiff

  • Swansea

  • Vale of Glamorgan

  • South Wales

  • Bristol

  • & The South West

If you’re planning a house extension, we can help you take the first step with clear, professional plans.

Contact Us