Osborne Planning specialise in obtaining planning permission for residential conversions and extensions. Our expertise ranges from loft conversions, garage conversions, rear extensions, side extensions, outbuildings, basements, erection of new homes, conversion of houses to flats, listed building consent applications and much more. 

Our Chartered Planners have many years of public sector and private sector experience therefore offering the ability to understand the issues and ensure that the client is fully informed of the opportunities and risks of each proposed development. Osborne Planning will only take on projects which have a reasonably high chance of success. We will always advise our clients on the risks and how to make the proposal more feasible with a higher chance of success. This advice is valuable as it can potentially save our clients a lot of time and money.


We have hundreds of projects around Greater London all of which were granted planning permission. If requested, we are happy to share additional samples of our work on top of the projects listed on our website. We offer a free no obligation consultation and a free quote. Please get in touch with us today and we look forward to helping you add value to your property and habitable space to your home:


See how we can help you today

Planning Appeals

We can help overcome your refusal by drafting a Planning Appeal

Planning Advice

We can advise whether a potential development scheme is feasible

Planning Applications

We can prepare and submit a professional planning application which will give you a high chance of success

Architectural Drawings


Our architectural designers produce professional architectural drawings for planning applications, building control & construction purposes

Heritage & Conservation

Our specialists are available to support your proposed development and to prepare heritage report and all architectural drawings for your listed building application 

Building Regulations

A Building Control Inspector would assess the works to ensure that the building regulations are adhered to and are fully implemented during construction

Transport Assessments

Our Chartered Transport Planners can help with  Transport Assessments & Statements, Travel Plans and other related surveys and reports to address any potential impacts on transport network

3D Visualisations

High definition and realistic CGI 3D visualisations to support your planning application, sale of your property or for any other purpose