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Onslow Square, London, SW7
For saleReduced 8 May 2026
£3,500,000

Onslow Square, London, SW7 3LS

3bedrooms
2bathrooms
Apartmenttype
1,551sq ft
Share of Freeholdtenure

Listed 24 Jul 2025 · price reduced 8 May 2026 · Kensington and Chelsea

How the price compares

This home£3,500,000£2,257 per sq ft
Median 3 bed in SW7£5.5m12 homes listed · £2,230 per sq ft
Difference-36%below the area median

Key features

  • 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

About this home

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.

Property details

Property type
Apartment
Size
1,551 sq ft / 144 sq m
Tenure
Share of Freehold
Garden
Communal garden
Heating
Central
Accessibility
Lift access, Higher than 2nd floor (with lift)

Floorplan

Floor Plan

Location

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  • South Kensington Station0.1 mi
  • Gloucester Road Station0.4 mi
  • Sloane Square Station0.8 mi

What nearby homes sold for

Median sold prices in SW7 over the last 12 months: flat £1.17m · terraced £3.2m · detached £15.1m.

AddressTypeSoldPrice
Flat 4, 81, Onslow Square
London SW7 3LT
Flat
Leasehold
15 Jun 2026£3,700,000
Flat 5, 51, Onslow Square
London SW7 3LR
Flat
Leasehold
8 May 2026£1,025,000
Flat 8, 5, Onslow Square
London SW7 3NJ
Flat
Leasehold
24 Apr 2026£2,410,000
Flat 4, 51, Onslow Square
London SW7 3LR
Flat
Leasehold
24 Feb 2026£2,425,000
Flat 8, 20, Onslow Square
London SW7 3NP
Flat
Leasehold
23 Dec 2025£2,280,000
Flat 2, 11, Onslow Square
London SW7 3NJ
Flat
Leasehold
20 Nov 2025£2,750,000
Flat 11, Malvern Court, Onslow Square
London SW7 3HU
Flat
Leasehold
2 Oct 2025£1,725,000
Flat 10, 81, Onslow Square
London SW7 3LT
Flat
Leasehold
15 Aug 2025£2,500,000
Flat 9, 14, Onslow Square
London SW7 3NP
Flat
Leasehold
25 Jun 2025£2,200,000
Flat 34, Malvern Court, Onslow Square
London SW7 3HY
Flat
Leasehold
5 Jun 2025£1,200,000

Contains HM Land Registry data © Crown copyright and database right 2026. Licensed under the Open Government Licence v3.0. All sales in SW7

Buying costs

Monthly repayment£17,509£350,000 deposit · £3,150,000 loan
Stamp Duty£333,750England rates

Estimates only, using rates in force from April 2025. Check GOV.UK, Revenue Scotland or the Welsh Revenue Authority and speak to a mortgage adviser before you offer.

Listed by WELLBELOVE QUESTED (UK) LIMITED, London on Rightmove (original listing). First listed 24 Jul 2025; details checked 7 Nov 2026. Latest change: reduced on 08/05/2026.

Agent disclaimer

Disclaimer - Property reference 669OnslowSquare. The information displayed about this property comprises a property advertisement. Rightmove.co.uk makes no warranty as to the accuracy or completeness of the advertisement or any linked or associated information, and Rightmove has no control over the content. This property advertisement does not constitute property particulars. The information is provided and maintained by WELLBELOVE QUESTED (UK) LIMITED, London. Please contact the selling agent or developer directly to obtain any information which may be available under the terms of The Energy Performance of Buildings (Certificates and Inspections) (England and Wales) Regulations 2007 or the Home Report if in relation to a residential property in Scotland.

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