2 bed new development for sale Brock Street, Marylebone, London, NW1 3DS
Added on 16/09/2026
About this property
A contemporary two bedroom apartment set within the prestigious Triton Building. A rare opportunity to acquire a two bedroom, two bathroom apartment set within the prestigious Triton building which forms part of the Regent's Place development. The apartment is situated on the 8th floor with accommodation comprising of a spacious open plan kitchen/ dining/ reception room with direct access to a large balcony, a principal bedroom with en suite bathroom, a second double bedroom and a shower room.
Key features
- Two bedrooms, two bathrooms
- Large private balcony
- 24 hour concierge
- Long lease with over 900 years remaining
- Forms part of the prestigious Regent’s Place development
Floorplan
Location
Brock Street, Marylebone, London, NW1 3DS
- Council tax
- Band F (Approx £3,189/year)Camden's 2026/27 area average, including the typical parish precept for band F. Your bill may differ: single-person and other discounts may apply.
Mortgage and stamp duty
A £1,098,000 mortgage. Most lenders would want a household income of about £244,000 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 NW1 3DS. Floor areas from Energy Performance Certificates where matched.
| Address | Type | Sold | Size | Size | £/sq ft | Price |
|---|---|---|---|---|---|---|
| Apartment 104, 20, Brock Street Flat / maisonette | Flat / maisonette | Dec 2025 | 388 sq ft £877/sq ft | 388 sq ft | £877 | £340,000 |
| Apartment 15.04, 20, Brock Street Flat / maisonette | Flat / maisonette | Jul 2025 | — | — | — | £825,000 |
| Apartment 6.06, 20, Brock Street Flat / maisonette | Flat / maisonette | Mar 2025 | — | — | — | £520,000 |
| Apartment 404, 20, Brock Street Flat / maisonette | Flat / maisonette | Dec 2024 | 323 sq ft £1,363/sq ft | 323 sq ft | £1,363 | £440,000 |
| Apartment 502, 20, Brock Street Flat / maisonette | Flat / maisonette | Apr 2024 | 441 sq ft £1,212/sq ft | 441 sq ft | £1,212 | £535,000 |
| Apartment 104, 20, Brock Street Flat / maisonette | Flat / maisonette | Feb 2024 | 388 sq ft £1,329/sq ft | 388 sq ft | £1,329 | £515,000 |
| Apartment 2101, 20, Brock Street Flat / maisonette | Flat / maisonette | Nov 2022 | 1,528 sq ft £1,766/sq ft | 1,528 sq ft | £1,766 | £2,700,000 |
| Apartment 1503, 20, Brock Street Flat / maisonette | Flat / maisonette | May 2022 | 1,033 sq ft £1,665/sq ft | 1,033 sq ft | £1,665 | £1,720,000 |
Area insights
The neighbourhood around this property.






