18 Seymour Ave, Dianella is a 5 bedroom, 3 bathroom House with 3 parking spaces and was built in 2013. The property has a land size of 728m2 and floor size of 512m2. While the property is not currently for sale or for rent, it was last sold in October 2022.
Residing on a quiet, treelined street in one of Dianella's most coveted, tightly held enclaves, the "Golden Triangle", 18 Seymour Avenue is an iconic residence of unparalleled modern luxury. Occupying an expansive 728sqm site with approximately 673sqm of build area, no expense was spared in the design and craftsmanship of this sprawling tri-level residence. Captivating from the outset with its striking modern facade, washed aggregate driveway and fully landscaped gardens, WOW is what you will say as you step into the hotel style entry foyer, with a sweeping curved staircase, double height ceilings and custom chandelier sure to create a lasting first impression!Ideal for those who work from home, to the right of the entry foyer is a separate home office with custom built-in cabinetry, whilst directly next door is a powder room for guests, allowing you to have visitors without needing to disturb the rest of the household.Thoughtfully planned to ensure this can be your forever home, separate and up front is the presidential master suite, the perfect haven to retreat to after a long day at work. Decadently appointed with fully fitted walk-in robe plus lavish ensuite, the latter boasts quality marble tiling, "his & hers" vanities, an indulgent soaker tub, a huge walk-in shower plus separate W/C. Transitioning through French doors into the heart of the home, and WOW is what you will say yet again! Glamorously appointed with stunning Caesarstone benchtops, state of the art Miele appliances, loads of soft closing cabinetry plus huge walk-in scullery, the oversized chef's kitchen is every cooks dream. The adjoining dining area will comfortably accommodate 10-12, whilst the commodious living room with stunning double-sided gas fireplace certainly won't disappoint, as you sit back and loose yourself in the flickering flames on a chilly winters evening. With stackable glass doors seamlessly connecting this space to the upper alfresco area with fully equipped outdoor kitchen, year-round entertaining has never become easier! Descending to the lower ground level, and who needs Hoyts when you have your very own home cinema! Fully equipped with tiered seating, built-in projector, movie screen and BOSE surround sound, the only thing missing is the popcorn and choc tops! Also on this lower level is a huge games room with full length kitchenette and adjoining powder room, which opens out onto the poolside alfresco with wood fired pizza oven. The perfect spot to enjoy a few laps or simply relax with a cocktail in hand whilst the pizzas are prepared, countless hours of fun and laughter await!On the top floor are 4 king sized bedrooms with either built-in or walk-in robes, another huge living/kids activity room with wrap around study desk, plus two further lavishly appointed bathrooms with adjoining powder rooms. And lastly, in terms of location, it's not hard to see why the locals love calling the "Golden Triangle" home. Renowned for its quality homes, peacefulness and close proximity to local amenities, you're only a short stroll to Carmel School and Sutherland Primary, with lush Breckler Park just around the corner and exclusive WA Golf Club only a "9-iron" away. Dianella Plaza, Dog Swamp shopping centre, Terry Tyzack Aquatic Centre & Yokine Reserve are all within a few minutes' drive, plus you also have the local Shule and several public transport options within walking distance. Add to this the fact the Perth CBD is only 7kms away, and the 'Lifestyle' box is certainly ticked here!Lavishly appointed for the most discerning of buyers, additional features include (but are not limited to):- Honed "Turkish Travertine" floor tiles to the entry foyer, kitchen, dining, laundry, lower games room and both staircases- Quality plush carpets to the study, family room, kids activity area and all 5 bedrooms- Quality "American Cherrywood" doors, skirtings and architraves throughout- Feature cornicing and custom window treatments throughout- Plenty of built-in storage on all 3 levels- Quality "Miele" kitchen appliances including wide induction cooktop with rangehood and 2 pyrolytic self-cleaning ovens- Caesarstone benchtops to the kitchen and all other wet areas- Floor to ceiling tiling to all bathrooms and powder rooms- Fixed and handheld showerheads to all 3 bathrooms- Laundry chute- "My Air" Ducted Reverse Cycle air-conditioning throughout- Full home automation system allowing programmable control of all lighting, video, audio, alarm system, garage doors and gates- Fully programmed alarm system with CCTV- Instantaneous Gas Hot Water System- Electric heated pool with custom built-in lighting- Mature fully landscaped gardens with travertine paving - Washed aggregate driveway with automatic security gates- Secure 3 car lock up garage with custom garage door and internal shoppers' entranceSeamlessly combining space, style and location into one irresistible package.For further details, please contact Mark & Debra Passmore on 0411 870 888 / 0411 888 138 or email debra@passmore.com.au ***Passmore Real Estate wishes to advise that whilst every care is taken in the preparation of these details, they MUST be verified if relied upon, before entering into any Contract of Sale***
The size of Dianella is approximately 10.8 square kilometres. It has 67 parks covering nearly 15.4% of total area. The population of Dianella in 2016 was 23486 people. By 2021 the population was 24169 showing a population growth of 2.9% in the area during that time. The predominant age group in Dianella is 30-39 years. Households in Dianella are primarily couples with children and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Dianella work in a professional occupation.In 2021, 72.60% of the homes in Dianella were owner-occupied compared with 72.00% in 2016.
Dianella has 12,189 properties. Over the last 5 years, Houses in Dianella have seen a 92.53% increase in median value, while Units have seen a 119.05% increase. As at 31 January 2026:
N/A
N/A
View TrendN/A
N/A
N/A
N/A
View TrendN/A
N/A
© Copyright 2026. RP Data Pty Ltd trading as Cotality (Cotality). All rights reserved. No reproduction, distribution, or transmission of the copyrighted materials is permitted. The information is deemed reliable but not guaranteed.
While Cotality uses commercially reasonable efforts to ensure the Cotality Data is current, Cotality does not warrant the accuracy, currency or completeness of the Cotality Data and to the full extent permitted by law excludes all loss or damage howsoever arising (including through negligence) in connection with the Cotality Data.