Built with Trust, Backed by Quality
Relocating is not always the most ideal and budget friendly solution. A thoughtfully designed extension and/or addition to your home can completely transform the way your space feels, functions. Not only it improves living space, but it is a wise investment that directly impacts your lifestyle – TrinityCon delivers tailored solutions for:
- Multi-storey additions
- Granny flats and secondary dwellings
- Garage conversions and extensions
- Open-plan living areas
- Kitchens and bathrooms
- Bedrooms and laundries
No two projects are the same, which is why TrinityCon approaches every project with a practical mindset, strong planning, and attention to detail.
Whether it’s a modest addition or a full-scale transformation, we work closely with you to create spaces that feel naturally connected to your existing home while improving comfort, functionality, and long-term value.
Our team understands the challenges that can arise during extensions and renovation works from structural integration to approvals to timelines and budget control.
That’s why we focus on:
A. Delivering a process that is organised
B. Transparent
C. Professionally managed from concept through to completion.
Frequently Asked Questions
Extension costs in Sydney range between $2,500 – $5,000 per square metre, depending on the scope of works level of finishes and materials selection, site access, structural requirements, and whether the project involves a ground floor extension or a second-storey addition. Due to these variables, some projects may fall above or below this price range.
The best place to start is by speaking with a trusted and experienced renovation company or builder. At TrinityCon, we always recommend getting a few quotes before making a decision. It gives you a better feel for pricing, quality of work, communication, timelines, and what’s actually included helping you choose a builder that’s the right fit for your project and expectations.
- Home Extensions & Additions
- Second & Third Storey Additions
- Modern Interior Transformations
- Bathroom, Kitchen & Laundry Renovations
- Duplexes & Subdivisions
- Lifestyle-Focused Improvements
- Adding Long-Term Property Value
- Property Value
- Maximising Usable Living Space
- Improving Energy Efficiency & Long-Term Savings
- Rectifying Structural or Cosmetic Defects
- Enhancing Market Appeal & Buyer Interest
The terms renovating and remodelling are commonly used together, they describe different types of building works.
Renovation > is focused on improving or refreshing an existing space while keeping the original layout largely the same. This can include updating kitchens and bathrooms, replacing finishes, repairing damage, modernising interiors, or improving the overall appearance and functionality of the home.
Remodelling > changing the structure or layout of the property. This may involve removing or adding walls, redesigning floor plans, creating open-plan living areas, or extending spaces to better suit a family’s lifestyle and future needs.
At TrinityCon, we deliver both renovation and remodelling solutions tailored to each client’s vision, budget, and long-term goals.
- Timber-frame / lightweight builds from $2,500 – $3,500 per m²
- Brick veneer additions from $2,800 – $4,000 per m²
- Full masonry or double brick extensions from $3,200 – $4,500+ per m²
Second storey additions are typically more expensive than ground floor extensions due to the added structural work, roof modifications, scaffolding, engineering and overall build complexity involved.As a general guide, second storey additions in Sydney may range between:
- $4,000 – $5,800 per m² for lightweight or timber-frame construction
- $5,000 – $7,000 per m² for brick veneer or heavier construction
- $5,500 – $7,500+ per m² for custom or more structurally demanding builds
Pricing can vary based on site access, structural upgrades, finishes, roof alterations and the condition of the existing home.