Architectural building designer for your next residential development project

Our services include :

– New home design

– Alterations to existing homes

– Interior design advice

– Development advice

– Residential development feasibility studies

– SEE (statement of environmental effects reports)

Current Project – Miranda Townhouse

We are currently finalizing the finishes for our exciting project in Miranda. To help our client visualize the design concept, we have prepared detailed 3D renders. These realistic representations allow our client to explore the stunning features and layout of their future home. The 3D renders serve as a valuable tool in ensuring clear communication and creating a shared vision for the project. We are dedicated to delivering a space that exceeds expectations, where creativity and innovation come together to craft an exceptional living experience.

New 3d render preview

A Team of Passionate Designers.

Our design team, led by James Watt-Smith, brings almost four decades of experience to the table, ensuring that each project is completed to the highest standards of quality and client satisfaction. At KBG planning and design, we offer clients a comprehensive range of services tailored to their specific project requirements, including initial design concept drawings, surveying, engineering, landscape design, and approvals. By providing an all-inclusive service, we not only save our clients costs but also manage and coordinate the entire process of completing every project to ensure its success.

We take a proactive approach to every project, working closely with our clients to ensure that their design needs and budget are met during the initial stages of planning and drawing preparation. Our personalized designs are tailored to suit each site, ensuring the development of unique designs that exceed our clients’ expectations. We also offer a 3D modelling service that allows clients to view their buildings before construction, providing them with a clear understanding of the design before the building process begins.

At KBG planning and design, we welcome all inquiries and offer a no-obligation initial consultation at our Castle Hill office. Our goal is to provide our clients with outstanding services that are customized to their needs, ensuring their complete satisfaction with every project we undertake.

Projects we specialize in
– Luxury Homes
– Custom Designed Project Homes
– Units and Apartments.
– Villas, Town homes and Terrace Home
– Multi-Dwelling Housing Developments
– Renovations and Additions
– Dual Occupancy
– Granny flats and Secondary Homes



Our services provided
– Local code investigation
– Feasibility Studies
– Sustainable designs
– Concept Design Presentations
– Design development
– Interior planning with furniture layouts
– All Documentation for council approval and/or Complying Developments
– Development Applications prepared
– Construction Certificate prepared
– Complying Developments prepared
– Construction Drawings and Specifications
– Seek approvals though Council or Private Certifier.

Our consultants services offered
– Survey Plans
– 3D modelling
– Statement of environmental effects
– Basix certificates
– Landscape designs
– Structural and Stormwater engineering
– Shadow studies

We don’t only make things beautiful. We make them work great as well.


James Watt-Smith

James Watt-Smith

Design Manager / Architectural Designer

Jim is a distinguished designer with an extensive career spanning nearly 40 years, during which he has established himself as an expert in the field of building design. He has worked with councils across Sydney, developing a comprehensive understanding of local regulations and requirements. As a registered building designer with BDAA and a registered class 2 practitioner, Jim’s exceptional skills and knowledge are evident in the outstanding quality of his work. His wealth of experience and meticulous attention to detail ensure that every project he undertakes is completed to the highest standards of quality and client satisfaction.



Architectural Designer

Andrew is an experienced designer proficient in AutoCAD and Revit, with over 15 years of experience completing various projects such as new homes, renovations, and additions. His attention to detail ensure that every project is completed to the highest standards of quality and client satisfaction.



Architectural Designer

Ouday is a highly skilled designer with a keen eye for structural detailing and a talent for working on intricate designs. With 15 years of experience, he is a seasoned professional who brings a wealth of knowledge and expertise to every project.

Contact Us

KBG planning and design pty. ltd.

(02) 8850 0911

Office 18/ 5-7 Anella Avenue, Castle Hill, NSW, 2154