Trinity Design & Construction
New Homes, Extensions, Renovations & Improvements
ST CLAIR

Building & Construction Services
St Clair





















If you’re located in St Clair and seeking building and construction services, look no further than Trinity D&C. Our company stands as a testament to the enduring legacy of two brothers who, for more than a decade, have dedicated themselves to the art of building, renovating, and extending homes. Rooted in a passion inherited from our grandfather, a source of perpetual inspiration, we are driven to assist others in realizing their dream homes, fostering the same sense of prosperity that shaped our own lives.
Trinity D&C has played a pivotal role in constructing new homes and rejuvenating old ones, tailoring them to the needs of the modern family. With skills handed down through generations and unbridled enthusiasm, our mission is to empower each family in creating their own sanctuary—an environment that uniquely nurtures their growth and fulfillment.
If you are looking for new home construction, renovations, maintenance, or improvements in the Penrith Region, Trinity D&C is here to help you achieve your home goals with expertise and dedication.
St Clair Facts Sheet
Overview: St Clair is a vibrant suburb located in the Greater Western Sydney region of New South Wales, Australia. Known for its family-friendly atmosphere, diverse community, and convenient amenities, St Clair offers a comfortable suburban lifestyle. The suburb features a variety of housing options, numerous parks and recreational facilities, and a strong sense of community, making it an appealing location for families and individuals alike.
Weblink:
Population:
- Estimated population: Approximately 20,000 (as of 2021)
Area:
- Span size: Roughly 7 square kilometers
Border Suburbs:
- Erskine Park
- Colyton
- St Marys
- Minchinbury
- Mount Druitt
Estimated Number of Dwellings:
- Approximately 6,500 dwellings
Average Land Size:
- Average land size per property is around 600-800 square meters, with a mix of single-family homes and townhouses.
Average Home Value:
- Average home value is approximately AUD $850,000 (as of 2023), reflecting the suburban properties and family-friendly environment.
Voting Electorate:
- State: Londonderry
- Federal: McMahon
Council Website:
Sporting Teams and Achievements:
- St Clair Comets Rugby League Club: Engages in local rugby league competitions, promoting community sports involvement. St Clair Comets
- St Clair United Soccer Club: Provides opportunities for local soccer enthusiasts to participate in regional competitions. St Clair United SC
Well-known Entertainment Venues:
- St Clair Recreation Centre: A community hub offering various sports and recreational activities, including basketball courts, fitness classes, and event spaces. St Clair Recreation Centre
Notable Seasonal Events:
- St Clair Community Festival: An annual event featuring market stalls, food vendors, live entertainment, and family-friendly activities, fostering community spirit.
- Christmas Carols in the Park: A popular local event where residents gather to celebrate the festive season with carols, performances, and family activities.
Popular Sightseeing Locations:
- St Clair Dog Park: A well-maintained park offering off-leash areas for dogs, picnic spots, and walking paths, providing a great place for families and pet owners.
- St Clair Shopping Centre: A local shopping hub with various retail stores, dining options, and essential services. St Clair Shopping Centre
Famous Personalities:
- Pat Richards: Former professional rugby league player known for his career with the Wests Tigers and Wigan Warriors, has connections to the St Clair area. Pat Richards
- Tina Arena: Celebrated Australian singer, songwriter, and actress, attended St Clair High School. Tina Arena
St Clair offers a vibrant and family-friendly suburban lifestyle with a strong sense of community and easy access to urban amenities, making it an ideal suburb for families and individuals seeking a well-connected and welcoming environment in Greater Western Sydney.

making
TIME
Considering a home project? Then let’s talk! We’ve been able to help many others and we’re pretty sure that we could help you also. From practical renovations to tailored solutions, we’re here to offer guidance and a friendly conversation to explore how we can meet your home needs. No pressure – just give us a call, and let’s create a space that perfectly fits your lifestyle
Joshua@trinitydc.com.au
0430 393 681
Contact Us
If you’ve already got a good idea on what you need or maybe you’ve even got some design plans that you’d like us to review for an estimation or quote. Then let’s talk and we’ll provide you with a quote on the estimated complexity, cost and duration of your construction project. Give us a call or send us some information and we’ll get right on it and contact you within one working day.
Contact Us
We’re dedicated to making your visions a reality. Our planning process is all about collaboration. Together, we’ll create a practical plan tailored to your needs and preferences. We’ll discuss your requirements, design preferences, and ensure every detail aligns with your style.
Budget matters, but won’t cramp your style! We maximize your budget without compromising quality, finding cost-effective solutions for your dream space.
Timeframes matter, and we respect that. Our planning ensures a realistic schedule with no unnecessary delays – just a well-thought-out timeline.
Transparency is key. Our clear process keeps you informed every step. Trust and confidence are crucial, and we’re committed to both.
We break down the planning process into manageable steps, ensuring a stress-free journey. Celebrate each milestone on the way to turning your vision into reality.
Ready to start making space? Let’s begin the conversation, explore ideas, and craft a uniquely yours plan.
Contact Us
At Trinity D&C, our home delivery process ensures a seamless journey from planning to reality:
Efficient Planning: Fine-tune your project plan based on your preferences for a smooth execution.
Skilled Construction: Our expert team ensures quality craftsmanship, providing regular updates on progress.
Timely Execution: We prioritize deadlines, committing to on-time project delivery without compromising quality.
Quality Assurance: Rigorous checks maintain high standards, ensuring your satisfaction.
Final Inspection: A thorough inspection precedes the on-time delivery of your completed home.
Post-Delivery Support: Our commitment extends beyond delivery, offering ongoing support for your satisfaction.
Contact Us

OUR
SPECIALITY

things that
MATTER
Initiating the process, we delve into the heart of your project. Thoroughly understanding your vision, aspirations, and the finer details that define its essence is our priority. We aim to grasp your financial parameters, project timelines, and the overall aesthetic you’re envisioning – envision this as meticulously curating the ideal framework for your endeavor.
Once the foundation is established, we confront the pivotal question: what’s feasible within these predefined parameters? Together, we navigate the intricacies, fine-tune the specifics, and strategically address any potential challenges.
Consider this our strategic session, a collaborative effort to pinpoint the inclusions, prerequisites, and the quintessence of what should take center stage. It’s akin to meticulously charting the roadmap for your project – a comprehensive plan that will seamlessly bring your vision into fruition.
Then if you’re prepared to move forward? We’ll transform that vision into a high quality reality.
Navigating the rhythm of delivery is paramount. We meticulously work out schedules, considering the optimal timeframe for both you and our team. Drawing from best practices and leveraging insights from similar completed projects, we tailor a timeline that aligns with regulatory requirements, council rules, and your financial considerations.
Precision is key in estimating the ideal duration. We understand the urgency and are committed to delivering promptly, without compromising on quality. Your deadline becomes our benchmark, and we’re dedicated to meeting it.
However, patience is a virtue, and quality often takes time. We ensure realistic timelines, providing transparency about the process, potential obstacles, and any unforeseen delays. Your understanding and collaboration in this journey play a vital role.
What’s your preferred timeline? How long are you prepared to wait? Let’s work together to define your deadline, ensuring the successful realization of your vision within the bounds of excellence and efficiency.
Understanding the delicate interplay between scope, budget, and schedule is pivotal in crafting the epitome of quality. It’s a dance where each move affects the other, and achieving harmony is our expertise.
As we define the scope of your project, we navigate the fine line where aspirations meet reality. Your vision sets the stage, and we meticulously balance it with the intricacies of budget considerations and desired features. This dynamic equilibrium directly influences the quality of the end result.
In the realm of Luxury, where the sky’s the limit, we carefully align the scope with premium features and materials, acknowledging the impact on budget and schedule. It’s about delivering an unparalleled experience, where every detail contributes to the opulence you envision.
For the Best, where balance is key, we harmonize scope, budget, and schedule to provide a solution that epitomizes quality within a pragmatic budget and a carefully planned timeline. Here, the interplay ensures durability, aesthetics, and cost-effectiveness coalesce seamlessly.
Within the Better option, we deftly manage the triangle of scope, budget, and schedule, delivering a result that encapsulates quality without compromising practicality. It’s about finding that sweet spot where your vision thrives within reasonable parameters.
Even in the realm of Good, where affordability is a priority, we navigate the tension gracefully. Here, we ensure quality doesn’t take a backseat, offering a robust solution that adheres to standards without escalating costs unnecessarily.
Understanding this tension is where our commitment to excellence truly shines. The delicate choreography between scope, budget, and schedule is our craft, ensuring that the quality we deliver is not just a promise but a tangible reality in every facet of your project.
Arriving at the final estimated cost is the culmination of a meticulous process that intertwines scope, schedule, and desired quality. It’s not just a number; it’s the result of a symphony of considerations, ensuring every facet aligns with your vision and practical parameters.
As we delve into the intricacies of your project’s scope, speed of the schedule, and the quality you aspire to achieve, we account for various factors that contribute to the end cost. Environmental considerations, soil tests, regulatory requirements such as fire resistance and noise proofing, and the intricacies of foundation and footing requirements all play pivotal roles in shaping the financial landscape.
Dependence on council approval, permits, and construction rules adds another layer of complexity. Only after navigating through these variables can we provide a comprehensive cost estimate. This is the juncture where negotiation becomes an art – a delicate dance where we fine-tune the scope, schedule, and quality to tailor the project precisely to your needs.
Your financial comfort is our priority, and we’re committed to transparent communication throughout this process. The final estimated cost is not just a number on paper; it’s a reflection of our dedication to delivering a project that aligns seamlessly with your vision, meets regulatory standards, and respects your budget constraints.
This is the stage where collaboration takes center stage. Let’s negotiate and adjust, ensuring that the final cost mirrors the perfect synthesis of your aspirations and practical realities. Your project is not just a construction endeavor; it’s a tailored experience, and the estimated cost is the ticket to bringing your vision to life.
three guiding
PRINCIPLES
1 we never take more than 60 minutes of your time during an inspection
2 we always give you our honest opinion about what needs done and what doesn’t
3 we’ll never try to sell you anything unless it’s absolutely necessary for the health and safety of your home or family.
By following those three guiding principles, we guarantee that your home will love you back—and so will we!
three step
PROCESS

Dream
- Preliminaries
- Initial phone call

Design
- First meeting & Design/
Preliminary feasibility study - Design Concept

Deliver
- Preconstruction
- Construction
- Conservation

Trinity Design & Construction
Trinity Design & Construct offers custom home building and renovations servicing the Blue mountains, Hawkesbury & Sydney region. We believe in innovation, sustainable practises and everlasting craftsmanship.
Penrith Region Suburbs
Blue Mountains Region
Blue Mountains |
Bell |
Blackheath |
Blaxland |
Bullaburra |
Faulconbridge |
Glenbrook |
Hawkesbury Heights |
Hazelbrook |
Katoomba |
Lapstone |
Lawson |
Leura |
Linden |
Medlow Bath |
Mount Irvine |
Mount Riverview |
Mount Victoria |
Mount Wilson |
Springwood |
Sun Valley |
Valley Heights |
Warrimoo |
Wentworth Falls |
Winmalee |
Woodford |
Yellow Rock |
Hawkesbury Region
Hawkesbury |
Agnes Banks |
Berambing |
Bilpin |
Blaxlands Ridge |
Bligh Park |
Bowen Mountain |
Bucketty |
Cattai |
Central Colo |
Central Macdonald |
Clarendon |
Colo |
Colo Heights |
Cornwallis |
Cumberland Reach |
East Kurrajong |
Ebenezer |
Fernances |
Freemans Reach |
Glossodia |
Grose Vale |
Grose Wold |
Higher Macdonald |
Hobartville |
Kurmond |
Kurrajong |
Kurrajong Heights |
Kurrajong Hills |
Leets Vale |
Lower Macdonald |
Lower Portland |
Maraylya |
Mcgraths Hill |
Mellong |
Mogo Creek |
Mountain Lagoon |
Mulgrave |
North Richmond |
Oakville |
Perrys Crossing |
Pitt Town |
Pitt Town Bottoms |
Putty |
Richmond |
Richmond Lowlands |
Sackville |
Scheyville |
South Windsor |
St Albans |
Ten Mile Hollow |
Tennyson |
The Devils Wilderness |
The Lowlands |
The Slopes |
Upper Colo |
Upper Macdonald |
Vineyard |
Webbs Creek |
Wheeny Creek |
Wilberforce |
Windsor |
Windsor Downs |
Wisemans Ferry |
Womerah |
Wrights Creek |
Yarramundi |
Parramatta Region
Parramatta |
Baulkham Hills |
Beecroft |
Camellia |
Carlingford |
Clyde |
Constitution Hill |
Dundas |
Dundas Valley |
Eastwood |
Epping |
Ermington |
Granville |
Harris Park |
Lidcombe |
Mays Hill |
Melrose Park |
Newington |
North Parramatta |
Northmead |
North Rocks |
Oatlands |
Old Toongabbie |
Parramatta |
Pendle Hill |
Rosehill |
Rydalmere |
Seven Hills |
Silverwater |
Sydney Olympic Park |
Telopea |
Toongabbie |
Winston Hills |
Wentworth Point |
Wentworthville |
Westmead |
Auburn |
Berala |
Chester Hill |
Fairfield |
Girraween |
Granville |
Greystanes |
Guildford |
Guildford West |
Holroyd |
Homebush West |
Lidcombe |
Mays Hill |
Merrylands |
Merrylands West |
Pemulwuy |
Pendle Hill |
Prospect |
Regents Park |
Rookwood |
Sefton |
Smithfield |
South Granville |
South Wentworthville |
Toongabbie |
Wentworthville |
Westmead |
Woodpark |
Yennora |
Blacktown Region
Blacktown |
Acacia Gardens |
Angus |
Arndell Park |
Bidwill |
Blackett |
Blacktown |
Bungarribee |
Colebee |
Dean Park |
Dharruk |
Doonside |
Eastern Creek |
Emerton |
Glendenning |
Glenwood |
Grantham Farm |
Hassall Grove |
Hebersham |
Huntingwood |
Kellyville Ridge |
Kings Langley |
Kings Park |
Lalor Park |
Lethbridge Park |
Marayong |
Marsden Park |
Melonba |
Minchinbury |
Mount Druitt |
Nirimba Fields |
Oakhurst |
Parklea |
Plumpton |
Prospect |
Quakers Hill |
Richards |
Riverstone |
Ropes Crossing |
Rooty Hill |
Rouse Hill |
Schofields |
Seven Hills |
Shalvey |
Shanes Park |
Stanhope Gardens |
St Marys |
Tallawong |
The Ponds |
Toongabbie |
Tregear |
Vineyard |
Whalan |
Willmot |
Woodcroft |
The Hills Region
The Hills District |
Annangrove |
Baulkham Hills |
Beaumont Hills |
Bella Vista |
Box Hill |
Castle Hill |
Cattai |
Dural |
Gables |
Glenhaven |
Glenorie |
Kellyville |
Kenthurst |
Leets Vale |
Lower Portland |
Maraylya |
Maroota |
Middle Dural |
Nelson |
North Kellyville |
North Rocks |
Norwest |
Rouse Hill |
Sackville North |
South Maroota |
West Pennant Hills |
Winston Hills |
Wisemans Ferry |
Canterbury Bankstown Region
Canterbury Bankstown |
Ashbury |
Bankstown |
Bankstown Aerodrome |
Bass Hill |
Birrong |
Belfield |
Belmore |
Beverly Hills |
Campsie |
Canterbury |
Chester Hill |
Chullora |
Clemton Park |
Condell Park |
Croydon Park |
Earlwood |
East Hills |
Georges Hall |
Greenacre |
Hurlstone Park |
Kingsgrove |
Lakemba |
Lansdowne |
Leightonfield |
Milperra |
Mount Lewis |
One Tree Point |
Narwee |
Padstow |
Padstow Heights |
Panania |
Picnic Point |
Potts Hill |
Punchbowl |
Regents Park |
Revesby |
Revesby Heights |
Riverwood |
Roselands |
Sefton |
Villawood |
Wiley Park |
Yagoona |
Camden Region
Camden |
Bickley Vale |
Camden |
Camden South |
Catherine Field |
Cobbitty |
Currans Hill |
Elderslie |
Ellis Lane |
Gledswood Hills |
Grasmere |
Gregory Hills |
Harrington Park |
Kirkham |
Leppington |
Mount Annan |
Narellan |
Narellan Vale |
Oran Park |
Smeaton Grange |
Spring Farm |
Campbelltown Region
Campbelltown |
Airds |
Ambarvale |
Bardia |
Blair Athol |
Blairmount |
Bow Bowing |
Bradbury |
Campbelltown |
Claymore |
Denham Court |
Eagle Vale |
Edmondson Park |
Englorie Park |
Eschol Park |
Gilead |
Glen Alpine |
Glenfield |
Ingleburn |
Kearns |
Kentlyn |
Leumeah |
Long Point |
Macarthur Heights |
Macquarie Fields |
Macquarie Links |
Menangle Park |
Minto |
Minto Heights |
Raby |
Rosemeadow |
Ruse |
St Andrews |
St Helens Park |
Varroville |
Wedderburn |
Woodbine |
Fairfield Region
Fairfield |
Abbotsbury |
Bonnyrigg |
Bonnyrigg Heights |
Bossley Park |
Cabramatta |
Cabramatta West |
Canley Heights |
Canley Vale |
Carramar |
Cecil Park |
Edensor Park |
Fairfield |
Fairfield East |
Fairfield Heights |
Fairfield West |
Greenfield Park |
Horsley Park |
Lansvale |
Mount Pritchard |
Old Guildford |
Prairiewood |
Smithfield |
St Johns Park |
Villawood |
Wakeley |
Wetherill Park |
Yennora |
Liverpool Region
Liverpool |
Ashcroft |
Austral |
Badgerys Creek |
Bringelly |
Busby |
Carnes Hill |
Cartwright |
Casula |
Cecil Hills |
Cecil Park |
Chipping Norton |
Denham Court |
Edmondson Park |
Green Valley |
Greendale |
Hammondville |
Heckenberg |
Hinchinbrook |
Holsworthy |
Horningsea Park |
Hoxton Park |
Kemps Creek |
Leppington |
Liverpool |
Luddenham |
Lurnea |
Middleton Grange |
Miller |
Moorebank |
Mount Pritchard |
Pleasure Point |
Prestons |
Rossmore |
Sadleir |
Voyager Point |
Wallacia |
Warwick Farm |
Wattle Grove |
West Hoxton |
Wollondilly Region
Wollondilly |
Appin |
Bargo |
Belimbla Park |
Blue Mountains National Park |
Brownlow Hill |
Buxton |
Camden Park |
Cataract |
Cawdor |
Couridjah |
Darkes Forest |
Douglas Park |
Glenmore |
Lakesland |
Maldon |
Menangle |
Mount Hunter |
Mowbray Park |
Nattai |
Oakdale |
Orangeville |
Pheasants Nest |
Picton |
Razorback |
Silverdale |
Tahmoor |
Theresa Park |
The Oaks |
Thirlmere |
Wallacia |
Warragamba |
Werombi |
Wilton, including the estate of Bingara Gorge |
Yanderra |
Yerranderie |
QUICK LINKS
Solutions Quick Links
Inside Solutions
Outside Solutions
Upward Solutions
Outward Solutions
Laundry Design, Build, Construction and Renovation
Bathroom Design, Build, Construction and Renovation
Toilet Design, Build, Construction and Renovation
Kitchen Design, Build, Construction and Renovation
Home Office Design, Build, Construction and Renovation
Lounge Room Design, Build, Construction and Renovation
Study Design, Build, Construction and Renovation
Dining Room Design, Build, Construction and Renovation
Rumpus Room Design, Build, Construction and Renovation
Games Room Design, Build, Construction and Renovation
Home Theatre Design, Build, Construction and Renovation
Storage Design, Build, Construction and Renovation
Retreat Design, Build, Construction and Renovation
Open Plan Living Design, Build, Construction and Renovation
New Home Design, Build, Construction and Renovation
Granny Flat Design, Build, Construction and Renovation
Tiny House Design, Build, Construction and Renovation
Decking Design, Build, Construction and Renovation
Patio Design, Build, Construction and Renovation
Carport Design, Build, Construction and Renovation
Gazebo Design, Build, Construction and Renovation
Firepit Design, Build, Construction and Renovation
BBQ Area Design, Build, Construction and Renovation
Pergola Design, Build, Construction and Renovation
Frames & Trusses Design, Build, Construction and Renovation
Garage Design, Build, Construction and Renovation
Shed Design, Build, Construction and Renovation
First Floor Additions Design, Build, Construction and Renovation
Staircase Design, Build, Construction and Renovation
Wall & Roof Insulation Design, Build, Construction and Renovation
Roof Extension / Alteration Design, Build, Construction and Renovation
Structural Reinforcement Design, Build, Construction and Renovation
Roofing Design, Build, Construction and Renovation
Bedrooms Design, Build, Construction and Renovation
Storage Design, Build, Construction and Renovation
Balcony Design, Build, Construction and Renovation
Bathroom Design, Build, Construction and Renovation
Skylights Design, Build, Construction and Renovation
Retreat Design, Build, Construction and Renovation
Walk-In Wardrobe Design, Build, Construction and Renovation
Home Extensions Design, Build, Construction and Renovation
Veranda Design, Build, Construction and Renovation
Bifold Doors Design, Build, Construction and Renovation
Porch Design, Build, Construction and Renovation
Bay Windows Design, Build, Construction and Renovation
Sunroom Design, Build, Construction and Renovation
Garage Design, Build, Construction and Renovation
Privacy Screens Design, Build, Construction and Renovation
Firepit Design, Build, Construction and Renovation
BBQ Area Design, Build, Construction and Renovation
Pergola Design, Build, Construction and Renovation
Games Room Design, Build, Construction and Renovation
Window Installation Design, Build, Construction and Renovation