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SW7 3LS

Onslow Square, London, SW7

£3,500,000
Not valued
3 Beds
2 Baths
144 m² Floor area
Type Flat
Listed 11 Sep 2026
Price per m² £24,306 / m²
  • 3 Bedrooms
  • Bathroom
  • En Suite Shower & Steam Room
  • Guest WC
  • Reception Room
  • Eat in Kitchen
  • Access to Onslow Square Communal Garden
  • Lift
  • Porter/Caretaker
  • Allocated Basement Storage

A beautifully refurbished third floor lateral apartment overlooking the private gardens
of South Kensington's most prestigious square. Occupying the prized north side of Onslow Square and enjoying a coveted southfacing aspect, this outstanding third-floor apartment offers a rare opportunity to live in one of South Kensington's most desirable addresses. With direct views over and access to the private garden square, this elegant three-bedroom home has been meticulously refurbished to an exacting standard, blending period grandeur with sophisticated contemporary finishes.

This residence is rich in natural light, adorned with wooden flooring, integrated home entertainment, and bespoke details throughout. The building itself is very well maintained and residents also benefit from a communal garden to the rear, a live-in caretaker who tends to the building, and substantial private storage in the basement -ideal for luggage, sports equipment, or seasonal use.

The spacious and inviting reception room is the heart of the home, featuring a striking fireplace, bespoke alcove cabinetry, and elegant wooden flooring throughout. The separate kitchen isfinished to the highest standard with sleek granite worktops and fully integrated Gaggenau appliances. A granite-topped breakfast bar offers an inviting informal dining space, making the kitchen both stylish and practical.

The principal bedroom suite shares the same garden-facing, south-facing aspect as the reception room, creating a peaceful and light-filled retreat. It boasts a spacious walk-in wardrobe and a luxurious double shower/steam room en suite, providing a spa-like experience at home.Two further well-proportioned double bedrooms offer flexibility for guests or family, served by a sleek and contemporary family bathroom. A guest WC adds convenience for visitors.

Onslow Square is one of South Kensington's most sought-after addresses, distinguished by its handsome white stucco-fronted buildings and beautifully maintained communal gardens. Residents
benefit from close proximity to a wealth of boutique shops, restaurants, and cafés, as well as excellent transport links via South Kensington Underground Station.

How the asking price has moved

Sep 2026
£3,500,000
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
102 sales
Terraced
Median
30 sales
Semi-Detached
No sales nearby
Detached
No sales nearby

Most recent sales

Address Sold price Date Type Distance
22 OLD BROMPTON ROAD, SW7 3DL £235,000 Aug 2026 Flat 150 m
Flat 4, 81, 81 ONSLOW SQUARE, SW7 3LT £3,700,000 Jun 2026 Flat 70 m
Flat 5, 51, 51 ONSLOW SQUARE, SW7 3LR £1,025,000 May 2026 Flat 70 m
Flat 8, 5, 5 ONSLOW SQUARE, SW7 3NJ £2,410,000 Apr 2026 Flat 150 m
22 SUMNER PLACE, SW7 3EG £8,630,000 Mar 2026 Terraced 50 m
Flat 4, 51, 51 ONSLOW SQUARE, SW7 3LR £2,425,000 Feb 2026 Flat 70 m
11 ROSE SQUARE, SW3 6RS £1,280,000 Nov 2025 Flat 190 m
Flat 2, 11, 11 ONSLOW SQUARE, SW7 3NJ £2,750,000 Nov 2025 Flat 150 m
Flat 11, MALVERN COURT, ONSLOW SQUARE, SW7 3HU £1,725,000 Oct 2025 Flat 150 m
60 ROSE SQUARE, SW3 6RS £3,650,000 Sep 2025 Flat 190 m
Flat 9, 3, 3 CRANLEY PLACE, SW7 3AB £985,000 Aug 2025 Flat 160 m
Flat 10, 81, 81 ONSLOW SQUARE, SW7 3LT £2,500,000 Aug 2025 Flat 70 m
Flat 9, 14, 14 ONSLOW SQUARE, SW7 3NP £2,200,000 Jun 2025 Flat 140 m
2 SYDNEY CLOSE, SW3 6HN £840,000 May 2025 Terraced 160 m
Flat 7, MELTON COURT, ONSLOW CRESCENT, SW7 3JQ £2,000,000 May 2025 Flat 90 m
Source: HM Land Registry · within 200 m (distance to postcode centre) · most recent first

Onslow Square, London, SW7

We don't have enough nearby Land Registry sales matched to EPC floor-area data for this postcode and property type to calculate a fair price estimate. All other details are still available.

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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 144 m². Updated daily.

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