1/8
£550,000
1 bed · 1 bath · 575 sq ft
1a Melton Court, Onslow Crescent, London
0.02 miles
away
Leasehold
Added on 16/09/2026 Foxtons
1/17
1/17
£1,200,000
Asking price 1 bed flat for sale Onslow Square, London, SW7
1
bed 1
bath Flat
Leasehold
Added on 16/09/2026
About this property
Occupying a prime position on the second floor of a well-maintained period building, this south-facing apartment presents an exceptional opportunity to acquire and transform a residence on one of South Kensington’s most desirable addresses. First time to the market in 25 years and occupying a prime position on the second floor of a well-maintained period building, this south-facing apartment presents an exceptional opportunity to acquire and transform a residence on one of South Kensington’s most desirable addresses. The elegant reception room enjoys tranquil views straight across the landscaped gardens of Onslow Square — an idyllic setting for entertaining or quiet relaxation.
Key features
- Garden Square
- Lift
- South Facing
- Opportunity to modernise
- Sought after location
- 99 year leasehold
Floorplan
Location
Onslow Square, London, SW7, SW7 3LR
- Council tax
- Band D (Approx £1,667/year)The agent has not stated the band, so band D is shown as the local reference: Kensington and Chelsea's 2026/27 area average, including the typical parish precept. The actual band and any discounts change the bill.
Mortgage and stamp duty
Property price £1,200,000
£600k £1.8m
Deposit10% £120,000
£0 £1.2m
Interest rate 4.5%
0.5% 15%
Repayment period 25 years
5 years 40 years
A £1,080,000 mortgage. Most lenders would want a household income of about £240,000 to support it.
A guide only, for a capital repayment mortgage. The rate you are offered and what you can borrow depend on your circumstances and a full application with a lender or broker. Your home may be repossessed if you do not keep up repayments on your mortgage.
Historic sold prices nearby
HM Land Registry sales in SW7 3LR. Floor areas from Energy Performance Certificates where matched.
| Address | Type | Sold | Size | Size | £/sq ft | Price |
|---|---|---|---|---|---|---|
| Flat 4, 51, Onslow Square Flat / maisonette | Flat / maisonette | Feb 2026 | 1,378 sq ft £1,760/sq ft | 1,378 sq ft | £1,760 | £2,425,000 |
| Flat 2, 43, Onslow Square Flat / maisonette | Flat / maisonette | Jul 2023 | 2,131 sq ft £1,760/sq ft | 2,131 sq ft | £1,760 | £3,750,000 |
| Flat 3, 43, Onslow Square Flat / maisonette | Flat / maisonette | Sept 2021 | 2,142 sq ft £1,914/sq ft | 2,142 sq ft | £1,914 | £4,100,000 |
| 47, Onslow Square Flat / maisonette | Flat / maisonette | Dec 2020 | 2,034 sq ft £2,433/sq ft | 2,034 sq ft | £2,433 | £4,950,000 |
| Flat 7, 55, Onslow Square Flat / maisonette | Flat / maisonette | May 2014 | 1,507 sq ft £2,090/sq ft | 1,507 sq ft | £2,090 | £3,150,000 |
| Flat 1, 43, Onslow Square Flat / maisonette | Flat / maisonette | Dec 2013 | 2,196 sq ft £2,323/sq ft | 2,196 sq ft | £2,323 | £5,100,000 |
| Flat 4, 43, Onslow Square Flat / maisonette | Flat / maisonette | Oct 2011 | 1,873 sq ft £2,323/sq ft | 1,873 sq ft | £2,323 | £4,350,000 |
| Flat 2, 55, Onslow Square Flat / maisonette | Flat / maisonette | Sept 2011 | 1,528 sq ft £2,938/sq ft | 1,528 sq ft | £2,938 | £4,490,000 |
All sales on Onslow Square → All sold prices in Kensington and Chelsea →
Area insights
The neighbourhood around this property.
Marketed by
Hamptons, Sloane Square
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