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£329,000 above fair value

SW7 3QF

Onslow Gardens, South Kensington, SW7

2 Beds
2 Baths
150 m² Floor area
Type Flat
Listed 15 May 2026
Asking price £3,250,000
Price per m² £24,000 / m²

Occupying the upper floors of an elegant period building, this apartment on Onslow Gardens provides approximately 1,619 sq ft of well-arranged accommodation, enhanced by direct lift access and two large roof terraces.

The fourth floor is centred around a striking reception room and kitchen extending to over 33 ft, benefiting from excellent ceiling heights and natural light. This level also provides two large bedrooms, including a 21 ft principal bedroom with an en suite bathroom, and a second bedroom with a walk-in wardrobe and access to a further bathroom.

A spiral staircase leads to the top floor, where two connecting roof terraces provide generous outdoor space with far-reaching views across South Kensington.

With its scale, layout, and sought-after position on Onslow Gardens, this property represents an exceptional opportunity in the heart of South Kensington.


Onslow Gardens is one of South Kensington’s most prestigious addresses, renowned for its grand architecture and proximity to local amenities. The property is within walking distance of the King’s Road, Old Brompton Road, and Fulham Road, offering an excellent selection of restaurants, cafés, and boutiques. Gloucester Road and South Kensington underground stations are close by, providing District, Circle, and Piccadilly line services across London.

How the asking price has moved

May 2026
£3,600,000
Listed at original asking price
Aug 2026
£3,250,000
Current asking price

What similar homes actually sold for

Nearby Land Registry transactions — the data behind our fair price estimate.

Address Sold price Date Type
Flat 5, 49, 49 ONSLOW GARDENS, SW7 3QF £1,050,000 Dec 2025 Flat
Flat 8, 49, 49 ONSLOW GARDENS, SW7 3QF £1,600,000 May 2024 Flat
Flat B, 55, 55 ONSLOW GARDENS, SW7 3QF £980,000 Mar 2024 Flat
Flat 9, 49, 49 ONSLOW GARDENS, SW7 3QF £722,500 Jul 2023 Flat
Flat 9, 49, 49 ONSLOW GARDENS, SW7 3QF £547,500 Jul 2023 Flat
Flat 7, 55, 55 ONSLOW GARDENS, SW7 3QF £1,130,000 Jun 2023 Flat
Flat 1, 53, 53 ONSLOW GARDENS, SW7 3QF £1,400,000 Feb 2023 Flat
Flat 9, 49, 49 ONSLOW GARDENS, SW7 3QF £680,000 Jun 2022 Flat
Flat 2, 55, 55 ONSLOW GARDENS, SW7 3QF £2,400,000 Jul 2021 Flat
Flat 12, 49, 49 ONSLOW GARDENS, SW7 3QF £1,395,000 Nov 2020 Flat
Flat 10, 49, 49 ONSLOW GARDENS, SW7 3QF £1,400,000 Oct 2020 Flat
Flat B, 59, 59 ONSLOW GARDENS, SW7 3QF £1,250,000 Apr 2018 Flat
Source: HM Land Registry · SW7 3QF · Sorted by date

Onslow Gardens, South Kensington, SW7

Our fair price estimate
£2,921,000
Nearby sold prices per m² × UK HPI × 150 m² floor area (EPC-declared)
Asking price £3,250,000
Fair price £2,921,000
Difference ↑ £329,000 over
Price per m² £24,000 / m²
Contact landlord
About this valuation

Fair price calculated from HM Land Registry sold prices in the same postcode area, adjusted by the UK House Price Index, and multiplied by the EPC-declared floor area of 150 m². Updated daily.