Planning Applications and drawings in London

Planning Applications and Architects in London / Planning Consultants and Permission, Drawings and design, Architectural Service.

Extension Architecture is an experienced team of planning consultants, architects and architectural designers who provide you with friendly and helpful services to get the plans you need – fast and at a competitive price. We are confident that we can make your plans a reality. Our success rate is nearly 100% for house extensions, basement extensions, loft and garage conversions, change of use applications, new builds and commercial planning. If you are a homeowner with little planning knowledge or an experienced developer, we can cater to the planning required. Call us to find out more on 0207 801 0566.

Our Prices & Case Study


Single Storey Extension

Double Storey Extension

Convert to Flat

Loft Conversion

Basement Extension

3D Visualisation


New Builds

Change of Use

3D Immersive Design  | EA

  • High Quality – Low Priced Architectural Drawings In London
  • Get Your London Application Accepted First Time
  • Easy Start to Finish Planning Permission Application Packages
  • Experts In Retrospective Planning, Planning Appeals & Building Controls
  • Success In Loft Conversions, Side Extensions, Kitchen Extensions Across London

  Our experience  is proven, see our CASE STUDIES to find out what we can do for you! 


Residential Service: planning permissions and designs for single/double storey side/ rear extension, basement extension, loft conversion, dormer extension, rooftop terrace. House conversion into flats, window/door elevations. annex/maisonette/conservatory/garage conversion, interior/exterior design, garden design, new build development

Commercial Service: planning permissions and designs for restaurant, bar, cafe, retail shops, stores, hotel. change of use, Planning applications, building regulation drawings.

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