WELCOME TO
SHORPLANS
DEVELOPMENTS
RIBA Chartered architects & planning consultants for London & Greater London Areas — extensions, loft conversions, new builds & planning applications.
REG NO: 089055C
A 97% planning approval rate across London & Greater London Areas
Two decades of integrated architecture and planning expertise — and a track record of getting projects approved.


Plan your project before you commit
Get instant insight into your build with our free Instant Quote Calculator and Planning Predictor — no obligation, no waiting.
Instant Quote Calculator
What could your project cost? Pick your project type, adjust the size, and get an instant ballpark figure in seconds — then leave your details for a tailored quote.
Try the CalculatorPlanning Predictor
Will your project get planning permission? Answer a few quick questions about your property and proposed works to get an instant prediction of your approval chances.
Try the PredictorOur Services
Architectural Design
Full architectural design from concept to planning, including drawings, 3D visuals and specifications.
Learn more→Planning Applications
Expert preparation and submission of planning applications for extensions, conversions and new builds.
Learn more→Permitted Development
Advice on what you can build without planning permission under permitted development rights.
Learn more→Project Management
On-site management and coordination of your build project from start to completion.
Learn more→Your Architecture & Planning Practice for London & Greater London Areas
As a RIBA Chartered Practice and ARB-registered firm, Shorplans Developments delivers exceptional architectural design and planning consultancy across London and the Greater London areas — from the first feasibility sketch through to a successful planning decision.
Whether you're looking for a rear extension architect in London, weighing up loft conversion planning permission across Greater London, or simply searching for a trusted planning application architect near you, our team guides you through every stage: design, drawings, submission and approval.
We specialise in residential projects — single and double-storey side and rear extensions, dormer, hip-to-gable and mansard loft conversions, permitted development schemes, and complex new builds that demand carefully argued planning permission.
Selected Projects
A glimpse of our recent residential architecture and planning work across London and the Greater London areas.

Housing Development Scheme
West Norwood, London

Single Storey Rear Extension
East Finchley, London

4 Bedroom New Build House
Purley, Surrey

Basement & Extension Scheme
Fulham, London

Residential Renovation & Extension
Purley, Surrey

Single story side extension scheme
Carshalton, Surrey
Planning & architecture insights
Practical guidance on planning permission, loft conversions, extensions and property development across London and the Greater London areas — straight from our RIBA-chartered team.

Navigating London's Planning Regulations: Your Guide to Success
Understanding London's planning system can feel overwhelming. Each borough has its own rules — we break down how to make sense of it and why local expertise is key.
Read Article
Looking For a Loft Extension? 10 Things You Should Know About Dormer Loft Conversion Costs
Dormer loft conversions are among the most popular ways to add space and value to a London home. Here are the ten factors that shape the final cost.
Read Article
Successful Property Development in London and Surrey
Architecture and structural engineering are often viewed as separate disciplines, yet they are two halves of a single whole. Architecture defines the form and function of a space…
Read ArticleTrusted by homeowners & developers
Don't just take our word for it — read real reviews from clients we've worked with across London and the Greater London areas on the UK's leading independent review platforms.
Ready to start your project?
Contact us today for a free initial consultation. Our experts will assess your property's potential and provide clear guidance on the next steps.
Get A Quote