SJP Building Design

If you’re looking for a trusted Draftsman in Central Coast, you want someone who listens, designs with detail, and guides you smoothly from idea to approval. At SJP Building Design Central Coast, Shona Paddison and her team bring over 17 years of experience delivering precise drafting, custom residential designs, and full support through approvals across the Central Coast and NSW.

Why Work with SJP as Your Central Coast Draftsman

Draftsman Central Coast

Choosing the right draftsman is important. Here’s why SJP stands out:

  • Proven technical expertise – Skilled in detailed drafting for new homes, multi-dwelling projects, and renovations, plus council and certifier applications.

  • Designs that match your vision – Whether you want modern, classic, or something unique in between, every draft is tailored to your style and site.

  • Transparent, client-focused process – From consultation through approvals, we make sure you’re informed and confident at each stage.

👉 Many homeowners rely on SJP Building Design Central Coast because we combine accuracy with care.

Services We Provide

We offer a full range of drafting and design services to guide your project from start to finish.

Residential Drafting & Design

We prepare plans for new builds, granny flats, and extensions. In addition, we create layouts that maximise space and function.

Renovations & Upgrades

If you want to refresh or expand your home, we design smart renovations and additions. As a result, you enjoy a home that grows with you.

3D Rendering & Visualisation

See your design before building begins. Our 3D renders provide clarity, so you can make confident decisions early.

Planning & Approvals

We handle DAs, CDCs, Construction Certificates, and other applications. This way, you avoid delays and ensure compliance.

Energy & Thermal Assessments

We also provide BASIX and NatHERS certifications, ensuring your home meets energy-efficiency requirements.

Our Process

Working with us is straightforward and collaborative.

  1. Initial Consultation – share your goals and ideas.

  2. Site Visit & Measurements – we review your property and prepare a concept draft.

  3. Design Development – we refine plans based on your feedback.

  4. Documentation & Approvals – we prepare applications and liaise with councils.

  5. Delivery – we hand over detailed plans, ready for construction.

Client Testimonials

  • “If you’re looking for a designer who brings passion, creativity, and a commitment to perfection to your project, look no further than Shona Paddison. I can’t recommend Shona highly enough! Shona really took the time to understand my vision and needs. She listened attentively, asking insightful questions that helped shape the design process. ”Ian K

  • “Shona has been amazing since I first made contact with her to draw up plans for my extension, listening to what I wanted with my needs in mind as well as being helpful with suggestions. Shona took all the stress out of the whole process by filling out the applications and submitting them, organising surveyor and engineers report, private certifier etc. which was such a big help talking a lot of the stress out of it. I highly recommend hiring Shona for your project, you won’t be disappointed ”Lady Pegasus

  • “I had the pleasure of working with Shona on a recent architectural project, and I cannot speak highly enough of her expertise and professionalism. Shona’s meticulous attention to detail and comprehensive understanding of council regulations made the entire process smooth and efficient.George N.


These testimonials highlight SJP’s commitment to personalised service, expert advice, and designs that exceed expectations.

Ready to Work with a Central Coast Draftsman?

If you’re planning a new build, renovation, or extension, make sure your draftsperson combines technical precision with design flair and a supportive approach.


👉 Begin your journey today with SJP Building Design Central Coast – let’s create something you’ll love to live in.