£1,850,000

Added on 16/09/2026
Set within a charming period conversion, this recently refurbished one bedroom lower ground floor flat offers bright and spacious accommodation and a private garden. Situated moments from the amenities of Formosa Street and within easy reach of the shops, bars and restaurants of Clifton Road, Castellain Road is near to the extensive facilities of St John's Wood.
£864 per sq ft, below the middle of recent sales in W9 (£664–£1,383, 10th–90th percentile, 636 sales over 24 months).
Lowest and highest are the 10th and 90th percentiles of 636 homes sold in W9 over the last 24 months. This home's figure uses its asking price. All sold £/sq ft in W9 →
27A Castellain Road, London, W9 1EY
A £621,000 mortgage. Most lenders would want a household income of about £138,000 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.
HM Land Registry sales in W9 1EY. Floor areas from Energy Performance Certificates where matched.
| Address | Type | Sold | Size | Size | £/sq ft | Price |
|---|---|---|---|---|---|---|
| Garden Floor Flat, 19, Castellain Road Flat / maisonette | Flat / maisonette | Jun 2025 | 958 sq ft £1,096/sq ft | 958 sq ft | £1,096 | £1,050,000 |
| First Floor Flat, 23, Castellain Road Flat / maisonette | Flat / maisonette | Jan 2025 | 678 sq ft £1,320/sq ft | 678 sq ft | £1,320 | £895,000 |
| First Floor Flat, 23, Castellain Road Flat / maisonette | Flat / maisonette | Sept 2023 | 678 sq ft £1,180/sq ft | 678 sq ft | £1,180 | £800,000 |
| Second And Third Floor Flat, 23, Castellain Road Flat / maisonette | Flat / maisonette | Jul 2022 | 678 sq ft £1,681/sq ft | 678 sq ft | £1,681 | £1,140,000 |
| Flat 3, 11, Castellain Road Flat / maisonette | Flat / maisonette | Nov 2021 | — | — | — | £717,000 |
| 33, Castellain Road Terraced | Terraced | Jul 2021 | 4,047 sq ft £1,432/sq ft | 4,047 sq ft | £1,432 | £5,795,000 |
| Second And Third Floor Flat, 25, Castellain Road Flat / maisonette | Flat / maisonette | Dec 2019 | 689 sq ft £1,706/sq ft | 689 sq ft | £1,706 | £1,175,000 |
| Flat 3, 3, Castellain Road Flat / maisonette | Flat / maisonette | Sept 2019 | 1,066 sq ft £1,150/sq ft | 1,066 sq ft | £1,150 | £1,225,875 |
All sales on Castellain Road → All sold prices in Westminster →
The neighbourhood around this property.
