1 William Street, Double Bay NSW 2028
Independent property analysis

1 William Street, Double Bay NSW 2028

5 bed
4 bath
6 car
740m²
House
Moove indicative price
Disclaimer: These price estimates are AI-generated and for indicative purposes only. For a more accurate valuation, please contact Moove.
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How the numbers compare

Agent display price
Auction
AGENT LISTING PRICE / RANGE
$30.00m
Desktop Valuation
Moove fair buy

Property fundamentals

Property type
House
Bed / bath / car
5 / 4 / 6
Land size
740m²
Features
Dishwasher, Ensuite, Floorboards, Secure Parking, Swimming Pool
Kitchen
U-shaped kitchen with island bench (listing photos) · KITCHEN: 3.0m x 5.4m (floor plan)
Living / dining
FAMILY: 7.1m x 4.2m (floor plan) · DINING: 6.1m x 4.2m (floor plan)
Parking
CARPORT: 5.1m x 10.0m (floor plan)
Title / easements
Not yet checked

Agent's description

Few addresses capture the prestige of harbourside Double Bay quite like this manor-like family residence, where an extraordinary landholding, perfect northerly aspect and inspiring harbour views create a truly rare offering. Overlooking the manicured grounds of picturesque Steyne Park, the grand European-style home holds a dress-circle position on a level 740sqm approx with an impressive 20m frontage and an exceptional sense of space and privacy. A wide gated driveway and elegant porte-cochere establish a true sense of arrival, with an impressive foyer opening to elegant living and entertaining spaces graced with polished parquet floors and ornate ceilings. There's an effortless generosity to the villa-like layout, with wraparound terraces connecting to landscaped gardens and a saltwater pool. Five large bedrooms include a sun-filled parents' wing overlooking the harbour and a lower-level guest or au pair suite with private entry. With parking for six cars, this distinguished family residence combines estate-like proportions with remarkable village convenience, a level 200m stroll across the park to the city ferry and boating clubs with Bay Street's celebrated dining, designer boutiques and wellness scene around the corner.

- Sunny manicured gardens, auto gated access to a wide drive
- Elegant entry foyer, grand proportions, parquet floorboards
- 5 large bedrooms, office/media room with a Jetmaster fireplace
- 4 bedrooms with balcony access on the upper level, 2 ensuite
- Parents' wing with a private lounge and wide harbour-view terrace
- Upper level vestibule/breakout space and a rooftop sun terrace
- Bay fronted sitting room, formal dining room with a cocktail bar
- Full-width sunroom/conservatory bathed in northerly sunshine
- Granite island kitchen, Ilve chef's range cooker, Miele dishwasher
- Spacious living and dining opens to a private established garden
- Entertainer's terrace, sparkling saltwater pool, lush level lawn
- 4 bathrooms, guest powder room, ducted air, plentiful storage
- Secure parking for 6 cars, an absolute rarity on the harbourfront
- Footsteps to the city ferry, 200m to the 18 Footers and marina
- 250m to Bay Street's dining scene, stroll to harbour beaches

Disclaimer: All information contained herein is gathered from sources we believe reliable. We have no reason to doubt its accuracy, however we cannot guarantee it. All interested parties should make and rely upon their own enquiries. Images may include digitally enhanced or AI-generated content for illustrative purposes and may not precisely represent the actual and complete property or its features.

    What the agent's wording really means

    • “overlooking the manicured grounds of picturesque Steyne Park”The property directly faces Steyne Park across William Street.
    • “porte-cochere”Covered vehicle drive-through access structure leading to the carport.
    • “lower-level guest or au pair suite with private entry”A ground-floor bedroom (Bed 5) with built-in robes, direct bathroom access, and its own exterior doors opening to the rear.
    • “parking for six cars”Off-street parking accommodating six vehicles across the long driveway and double-length carport. Verify actual vehicle turnaround and parking layout on site.

    Best fit for

    Who this property suits, and who it doesn't, based on reviewed listing information.

    Luxury buyers: Prestigious Double Bay address offering substantial estate-scale proportions, premium finishes, parquetry flooring, and swimming pool.
    Large or blended families: Generous five-bedroom floor plan across two storeys with multiple formal and informal living zones, plus self-contained ground-floor guest quarters.
    Multigenerational households: A complete ground-floor bedroom suite with its own bathroom and external access allows independent living for extended family or au pair.
    Entertainers: Formal lounge and dining with built-in bar, extensive open-plan living, conservatory, sundecks, and poolside terrace.
    Buyers needing single-level living: The main accommodation, including the master bedroom retreat and additional bedrooms, is situated on the first floor accessed via stairs.
    First-home buyers: High-end luxury harbourfront-precinct price bracket well beyond entry-level purchasers.
    Not sure it fits your brief? A Moove Buyers Agent can tell you if it's worth pursuing.
    Ask a Buyers Agent

    Comparable sales

    Address Specs Sold Price Weight

    The guide price isn't always the real price

    The market is shifting fast. Some agents are underquoting to pull buyers in, while others overquote to win the listing. Either way, the advertised guide is an unreliable starting point.

    The system is a mess, and we're watching a large portion of buyers overspend on homes we know could have been bought for less, based on our conversations with the selling agents.

    Average Moove saving on this property
    $974,000
    See how we can help
    Saving estimate based on Moove client outcomes scaled to property value ($33k × estimated value ÷ $1m). Actual savings vary by property, market conditions, and buyer brief. Past results aren't a guarantee of future results.

    What still needs checking

    This brief summarises the property's listing information. The items below haven't been independently verified and should be checked before you make an offer.

    What this brief hasn't checked
    01Internal floor area: Total liveable m²
    02Year built / renovation date: Age and scope of works not confirmed
    03Title search: Easements, covenants, restrictions on use
    04Building condition: Structural, electrical, plumbing, waterproofing not inspected
    05Contract terms: Settlement period, deposit, cooling-off provisions
    06Zoning and heritage controls: Knockdown or extension (STCA) depend on local council rules. Check with a Moove Buyers Agent.
    07Home Inclusions: Ensure the listing description, the contract and what you see on site all match.
    08Suburb stats: Median and clearance figures are Moove estimates; verify via a Moove Buyers Agent
    What we'd still check before bidding or making an offer
    01Building and pest inspection: commission an independent report before you bid or exchange.
    02Contract and title review: have a solicitor check the title, easements, covenants and settlement terms.
    03Council planning check: zoning, heritage controls and DA history with the local Council.
    04Check inclusions on the contract: Don't assume everything you see at the open is included in the sale. Double check inclusions and any specific exclusions.
    05Inspect what the listing doesn't show and compare the building report to what you see on the ground.
    06What are they hiding? Notice recent repairs or maintenance? Take a look closer, ask the right questions and determine if there was a problem or it's just a refresh.

    Moove fills these gaps through inspection attendance, agent calls, solicitor review, and on-the-ground experience in the suburb.

    Discuss this property with Moove

    Suburb context — Double Bay

    Median price
    $8.30m
    Median house price in Double Bay
    Number of sales
    Double Bay · last 12 months
    Avg days on market
    Average time similar homes took to sell
    Postcode
    2028
    Woollahra LGA
    Note: suburb stats above are Moove AI estimates - verify via a Moove Buyers Agent before relying on any information contained in this report.

    View our analysis on other properties in the area

    18 Mansion Road, Bellevue Hill18 Mansion Road, Bellevue Hill6 bed · 5 bath · 7 car · 870m²

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    Report last updated: 25 October 2026