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21 Lang Street, Mosman NSW 2088

Price Guide - $4,500,000

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$4.5M - $4.73M Transparent Transparent Listing Based on an openly advertised listing price.

House 5 Beds 2 Baths 2 Cars 506 m²

Listed: 18th Jul 2026

Updated: 5 hours ago

Overview

Situated in one of Mosman's most coveted streets, this substantial single-level house offers an excellent opportunity for families and those desiring flexible living arrangements. The residence features five generously sized bedrooms and two bathrooms, configured to support multi-generational living or provide ample workspace for those working from home.

The home's design promotes seamless indoor-outdoor flow, with expansive living and dining zones that extend effortlessly to outdoor entertaining spaces. This layout enhances year-round enjoyment and fosters relaxed, comfortable living.

Set on a level land parcel of approximately 506sqm, the property includes a dual-car carport offering convenience and accessibility. Beyond its immediate appeal, the house presents significant potential for renovation and value enhancement, allowing future owners to tailor the space to their tastes and needs.

Character details such as patterned ceilings and marble fireplaces add charm and a classic aesthetic, while an oversized kitchen forms the heart of the home with scope for further modernization. The property's location offers proximity to prestigious schools, local shops, cafés, parks, and harbour foreshore amenities. It also provides easy access to the CBD and regular transport links, including the Bridgepoint shopping precinct and Mosman Village.

Character-filled interiors with patterned ceilings and marble fireplaces
Versatile family-friendly layout accommodating five spacious bedrooms
Two bathrooms with potential for updates
Spacious single-level design enhancing indoor/outdoor lifestyle
Multiple luminous living and entertaining areas
Oversized kitchen ripe for renovation
Two-car carport with excellent street access
Level land ideal for families and entertaining
Premier Mosman location close to essential amenities and transport

Local Market Insights

In Mosman, Quiet Listings observed 13 new houses entering the market over the last 30 days, up from 9 during the previous 30-day period, with an average advertised asking price of $6,065,385. The property type mix of listed properties is predominantly Apartments at 54%, followed by houses (38%), and duplexes (3%). The most active agency for houses in the Mosman area is currently Ray White, representing 54% of new listings, followed by Raine & Horne with 15%. These insights are based on agencies currently monitored by Quiet Listings and are updated as the local market changes.

While every effort is made to ensure the accuracy and completeness of the property information provided, no guarantee is given. Buyers should independently verify all details, inclusions, availability, pricing, and other relevant information directly with the listing agent before relying on this information.