You can perform certain types of work without needing to apply for planning permission directly. These are called “permitted development rights”. You can apply for certificate of lawfulness to ensure that your property has permitted development rights and to ensure future buyers that the extension was done lawfully.

Loft Conversion Drawings from £198

A loft conversion for your house is considered to be permitted development, not requiring an application for planning permission, subject to the following limits and conditions:

  • A volume allowance of 40 cubic metres additional roof space for terraced houses*
  • A volume allowance of 50 cubic metres additional roof space for detached and semi-detached houses*
  • No extension beyond the plane of the existing roof slope of the principal elevation that fronts the highway
  • No extension to be higher than the highest part of the roof
  • Materials to be similar in appearance to the existing house
  • No verandas, balconies or raised platforms, however juliet balcony should be fine!
  • Side-facing windows to be obscure-glazed; any opening to be 1.7m above the floor
  • Roof extensions not to be permitted development in designated areas**
  • Roof extensions, apart from hip to gable ones, to be set back, as far as practicable, at least 20cm from the original eaves
  • You will need minimum 2m head height from the floor to the ridge of the roof.

1. Sarah Bhatena, 1 Brent Place, EN5 2DP, UK

Work: Extension Drawings with some interior design changes for the floor plans successfully accepted by the council.

Phone: ‭+44 7801 ***284‬

Email: sarahbhathena@hotmail.com

Date: June-July, 2017

2. Bilal S Mugloo, Coolman 11, Pynacle Close, HA7 4AF

Work: Extension Drawings for a ground floor 4m Extension, double story side Extension, outbuilding with some interior design changes for the floor plans successfully accepted by the council.

Phone: ‭+44‭7827 ***466‬

Email: band786@gmail.com

Date: June, 2018

3. Samir Patel, 2 Ruthin Road, Greenwich, London, SE3 7SH, UK

Work: Re-development project for a 1950s house that was built quickly 5-10 years after being bombed during the world war. A completely redevelopment was done and the house was made to match the surroundings to justify Planning aproved and the successfully accepted by the council. Further structural design was also done and work has been started.

Phone: ‭+44 7961 ***930‬

Email: samir_patel85@hotmail.com

Date: July 2017-March 2018.

4. Kwan Cheung, 170 Goodhart Way, Westwickham, London, BR4 0HA, UK

Work: Extension Architectural Drawings, Full Structural Calculations were provided for 4m Rear Extension and Hip to Gable Loft Conversion with some interior design changes for the floor plans successfully accepted by the council and planing granted for rear extension under prior approval and certificate of lawful development for loft conversion.

Phone: ‭‭+44 7861 ***384‬

Email: kwancheung170@yahoo.co.uk

Date: May-July, 2017

5. Yolando Salmon, 17 Teviot Ave, Aveley, South Ockendon, RM15 4BQ, UK

Work: A permitted Development Extension Drawings with some interior design changes for the floor plans successfully accepted by the council. Two proposals for the client were drawn and presented to the client in order to choose from and the one chosen by the client was submitted to the council maintaining the standards of the regulation.

Phone: ‭+44 7801 ***284‬

Email: syolando11@gmail.com

Date: July-August, 2017