About Us
Architecture and interior design expertise in New Malden, London.
Where Architecture Meets Interior Excellence
RIBA Chartered Architecture. BIID-Led Interior Design.
J.Leo Architecture is a RIBA Chartered Practice that brings together architectural rigour and interior design excellence.
Led by a Registered Interior Designer of the BIID, our studio approaches every project with both technical integrity and refined spatial sensitivity.
Our RIBA Chartered status ensures professional accountability, technical competence, and ethical practice at every stage.
At the same time, BIID-led interior design introduces a human-centred approach — balancing materiality, atmosphere, and lived experience.
This rare combination allows us to deliver fully integrated architecture and interiors, offering clients clarity, continuity, and confidence from concept to completion.
Design and Build
in London
Build
In addition to designing houses, we also offer construction services. Our top priority is keeping our clients informed about all procedures throughout the entire process.
&
Design
We consider every aspect of our clients' needs and preferences when designing their homes. In addition, we offer customized interior design and furniture services.
No need to search for another builder.
We offer both services.
OUR VALUES
We are dedicated to exploring the dynamic and ever-evolving world of architecture design, offering comprehensive and stress free services that cover all aspects of the design and construction process, including planning, project management, interior design and construction.
Make your dream house comes true.
Excellence
Honesty
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Quality
ALL SERVICES
INTERIOR DESIGN
Residential Interior
Commercial Interior
Bespoke Furniture Design
Garden Design
CONSTRUCTION
Real Time Monitoring
Design and Build
Own Builders
ARCHITECTURE DESIGN
House Extensions
Single Storey Extension
Double Storey Extension
Wrap Around Extension
Front Porch Extension
Dormer Extension
Loft Conversion
Small Dormer Extension
Box Dormer Extension
Loft Window
L-Shaped Dormer Extension
Mansard Dormer Extension
Change of Use
Flat Conversion
Residential to Commercial
HMO
New Build
Residential House
Industrial Building
Commercial Building
Multi-Purpose
New Malden, Wimbledon, Kingston, Hounslow, Ealing, Oakhill, Hays, Wimbledon, Roehampton, Putney, Tooting, Fulham, Hammersmith, Hampstead, Brixton, Morden, Mitcham, Streatham, Banstead, Sutton, Long Ditton, Surbiton, Brent, Teddington, Richmond, Chessington, Westminster, Eastfield, Kensington, Croydon
SERVICE AREA
Anywhere in 1-2 hour distance approx
(by automobile, contact us more accurate service area.)