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SW7 3LX

Onslow Gardens, South Kensington SW7

£3,000,000
Priced about right
3 Beds
2 Baths
160 m² Floor area
Type Flat
Listed 11 Sep 2026
Price per m² £18,750 / m²
  • 3 bedrooms
  • 2 reception rooms
  • 2 bathrooms
  • Penthouse
  • Porter
  • Duplex

A beautifully proportioned three bedroom duplex penthouse apartment with lift access, positioned in one of the most sought-after buildings on Onslow Gardens, enjoying green views of Onslow Square to the front and Onslow Gardens to the rear. The apartment is a unique offering, situated in a well-maintained building with elegant communal areas, portered block management, and residents' access to both garden squares, including a tennis court – subject to application.

Entering on the third floor to a bright, welcoming entrance hallway with a guest W/C, which is adjacent to an impressive triple window drawing room with green views of the square, featuring an attractive fireplace and floor-to-ceiling integrated bookshelves. A formal dining room leads off the drawing room, with an ornate fireplace and a green outlook. A separate, well-appointed eat-in kitchen is on this floor, including integrated appliances, a smart hob and pristine worktops. The hallway also has built-in storage and a separate utility room.

The principal bedroom is situated upstairs, served by extensive wardrobe storage and an en suite with a bath and built-in cupboards. This floor is also home to two further double bedrooms, one benefiting from an en suite with a walk-in shower. All bedrooms enjoy beautiful green views over the communal gardens below. There is a spacious landing on this floor, which creates a unique footprint and a wonderful sense of space.

Please note that we have been unable to confirm the date of the next review for service charge/ground rent. You should ensure that you or your advisors make your own inquiries.

This exceptional opportunity is ideally suited for an investor buyer.


Onslow Gardens is one of South West London's most prestigious addresses and is well located for the shops and restaurants of South Kensington, as well as providing easy access to the underground stations of both South Kensington and Gloucester Road, not to mention easy access to Heathrow. Hyde Park is within walking distance and has the exceptional facilities of Knightsbridge and Chelsea.

How the asking price has moved

Sep 2026
£3,000,000
Listed at original asking price

Prices, costs and what's nearby

What homes within 400 m sold for since Nov 2023, by type. Source: HM Land Registry.

Type Median Middle 80%
Flat This home
Median
148 sales
Terraced
Median
42 sales
Semi-Detached
No sales nearby
Detached
No sales nearby

Most recent sales

Address Sold price Date Type Distance
Flat 4, 81, 81 ONSLOW SQUARE, SW7 3LT £3,700,000 Jun 2026 Flat 120 m
Flat 5, 107, 107 QUEEN S GATE, SW7 5AG £548,257 Jun 2026 Flat 200 m
Flat 4, 82, 82 ONSLOW GARDENS, SW7 3BS £1,070,000 May 2026 Flat 140 m
2 SELWOOD PLACE, SW7 3QQ £3,200,000 Apr 2026 Terraced 170 m
22 SUMNER PLACE, SW7 3EG £8,630,000 Mar 2026 Terraced 190 m
Flat 12, 35, 35 ONSLOW GARDENS, SW7 3PY £1,850,000 Mar 2026 Flat 100 m
Flat 5, 21, 21 ONSLOW GARDENS, SW7 3AL £3,700,000 Feb 2026 Flat 80 m
Flat 7, 90, 90 ONSLOW GARDENS, SW7 3BS £1,650,000 Jan 2026 Flat 140 m
11 ROSE SQUARE, SW3 6RS £1,280,000 Nov 2025 Flat 140 m
60 ROSE SQUARE, SW3 6RS £3,650,000 Sep 2025 Flat 140 m
10 SELWOOD TERRACE, SW7 3QN £2,950,000 Sep 2025 Terraced 180 m
Flat 9, 3, 3 CRANLEY PLACE, SW7 3AB £985,000 Aug 2025 Flat 100 m
4 ONSLOW MEWS WEST, SW7 3AF £2,750,000 Aug 2025 Terraced 90 m
Flat 10, 81, 81 ONSLOW SQUARE, SW7 3LT £2,500,000 Aug 2025 Flat 120 m
Flat 5, 67, 67 ONSLOW GARDENS, SW7 3QD £1,107,500 Aug 2025 Flat 190 m
Source: HM Land Registry · within 200 m (distance to postcode centre) · most recent first

Onslow Gardens, South Kensington SW7

Asking price
£3,000,000
Priced about right
Our fair price estimate £3,098,000
Price per m² £18,750 / m²
Fair price = nearby sold prices per m² × UK HPI × 160 m² floor area (EPC-declared). Source: Land Registry, EPC & UK HPI.
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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 160 m². Updated daily.

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