Summary - Apartment F181, Ambassador Building, 5 New Union Square SW11 7BT
4 bed 3 bath Penthouse
Exceptionally large four-bedroom home with resort amenities and skyline vistas.
- 4,795 sq ft duplex penthouse spanning 18th–19th floors
- Two large private terraces with panoramic river and skyline views
- Extensive on-site amenities: sky pool, pools, gyms, lounge, concierge
- Almost 1,000 years remaining on the lease (c. 986 years)
- EPC rating B; new-build construction (post-2012)
- Extremely high service charge (£39,768.55 pa) and costly council tax
- Heating via community scheme; ongoing communal running costs
- Inner-city location with convenient transport and several good schools
This rare duplex penthouse occupies the 18th and 19th floors and offers an exceptional 4,795 sq ft of living space with uninterrupted river and skyline views. The apartment includes two substantial terraces, a loft lounge with private bar, four bedrooms and generous entertaining spaces — suited to a family seeking a landmark London home with wow factor. High-spec finishes and bespoke fittings are paired with practical benefits: direct lift access, an EPC B rating and an almost 1,000-year lease.
Residents benefit from some of the development’s most notable amenities: the world’s first sky pool, further indoor/outdoor and jacuzzi pools, two private gyms with classes and trainers, a residents’ lounge with bar and private dining, and 24-hour concierge. These facilities create an all-in-one lifestyle offering that reduces the need to travel for leisure and socialising.
Buyers should note the material running costs: an extremely high annual service charge (circa £39,769) and very expensive council tax, plus the property’s heating is via a community scheme. The wider neighbourhood is inner-city and cosmopolitan but flagged as relatively deprived in local indices — important to consider alongside the building’s premium environment.
For a family wanting spectacular entertaining space, riverside living and resort-style amenities in central London, this penthouse delivers rare scale and finishing. For cost-conscious buyers or investors, the high service charge and ongoing running costs are significant factors to weigh against the apartment’s unique position and facilities.
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