21, Siddons Lane - NW1 5NF
Key Building Insights
21, Siddons Lane is a residential building situated on Siddons Lane, London, NW1 with 5 addresses.
It ranks as the 2097th largest and 2064th most expensive of the 3,048 buildings in the NW1 area. The most common property type is a mid-century flat built between 1936 and 1979.
The building contains a total of 5 properties: 5 flats.
- Ave. Sale Price
- £703,186
- 10 Year change
- down 15.9%
- Ave. Rental Price
- £3,634pcm
- 10 Year change
- up 29.1%
- Ave. £ per ft²
- £1,044/ft²
- Ave. Gross Yield
- 6.2%/year/yr
Key Building Insights
21, Siddons Lane is a residential building situated on Siddons Lane, London, NW1 with 5 addresses.
It ranks as the 2097th largest and 2064th most expensive of the 3,048 buildings in the NW1 area. The most common property type is a mid-century flat built between 1936 and 1979.
The building contains a total of 5 properties: 5 flats.
- Ave. Sale Price
- £703,186
- 10 Year change
- down 15.9%
- Ave. Rental Price
- £3,634pcm
- 10 Year change
- up 29.1%
- Ave. £ per ft²
- £1,044/ft²
- Ave. Gross Yield
- 6.2%/year/yr
Explore Propertieson Siddons Lane, London, NW1
- Flat 1, 21 Siddons Lane
2 Bed Mid-century Flat
- Flat 2, 21 Siddons Lane
2 Bed Mid-century Flat
- Flat 3, 21 Siddons Lane
2 Bed Mid-century Flat
- Flat 4, 21 Siddons Lane
2 Bed Mid-century Flat
- Flat 5, 21 Siddons Lane
2 Bed Mid-century Flat
Sales Market Trends
The last sale in 21, Siddons Lane sold for £820,000 on 31st March 2026. Since then prices are up an average of 0.3%.
The current average value in the building is £703,186.
The 21, Siddons Lane Sales Market has decreased by 15.9% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | -2.5% | £703,186 |
| June 2025 | -2.8% | £721,491 |
| June 2024 | -0.5% | £742,418 |
| June 2023 | -2.1% | £746,117 |
| June 2022 | 4.1% | £762,263 |
| June 2021 | -4% | £732,544 |
| June 2020 | 0.4% | £763,391 |
| June 2019 | -3.4% | £760,537 |
| June 2018 | -1.4% | £787,215 |
| June 2017 | -4.6% | £798,080 |
| June 2016 | -3.4% | £836,414 |
| June 2015 | 5.2% | £865,838 |
| June 2014 | 16.9% | £823,045 |
| June 2013 | 11.2% | £703,833 |
| June 2012 | 15% | £632,782 |
| June 2011 | 8.1% | £550,372 |
| June 2010 | 13.5% | £509,067 |
| June 2009 | -6.6% | £448,519 |
| June 2008 | 21.5% | £480,236 |
| June 2007 | 0% | £395,200 |
Rental Market Trends
The current average rental value in the building is £3,634.
The 21, Siddons Lane Rental Market has increased by 29.1% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 3.9% | £3,634pcm |
| June 2025 | 2.4% | £3,499pcm |
| June 2024 | 3.6% | £3,418pcm |
| June 2023 | 9.5% | £3,298pcm |
| June 2022 | 20.7% | £3,012pcm |
| June 2021 | -8.1% | £2,496pcm |
| June 2020 | -4.2% | £2,716pcm |
| June 2019 | 1.4% | £2,836pcm |
| June 2018 | 3.4% | £2,796pcm |
| June 2017 | -4% | £2,703pcm |
| June 2016 | -1.7% | £2,816pcm |
| June 2015 | 0.5% | £2,865pcm |
| June 2014 | 2.7% | £2,850pcm |
| June 2013 | -4.3% | £2,775pcm |
| June 2012 | 4.4% | £2,901pcm |
| June 2011 | 11.9% | £2,779pcm |
| June 2010 | 13.2% | £2,482pcm |
| June 2009 | -9.3% | £2,194pcm |
| June 2008 | 4.4% | £2,418pcm |
| June 2007 | 0% | £2,317pcm |
Sales History
The last sale was on 31st March 2026 for £820,000 and since then the market in the area has increased by 0.3%. The building has had a total of 6 sales since 1995.
21, Siddons Lane, London, NW1 5NF has seen 1 sale in the last three years and 1 sale in the last twelve months.
- Sold Mar 2026£820,000 | 2 Bed FlatFlat 4, 21, Siddons Lane, London, NW1 5NFFlat 4, 21, Siddons Lane, London, NW1 5NF
- Sold Aug 2001£230,000 | 2 Bed FlatFlat 3, 21, Siddons Lane, London, NW1 5NFFlat 3, 21, Siddons Lane, London, NW1 5NF
- Sold Sep 1998£210,000 | 2 Bed FlatFlat 4, 21, Siddons Lane, London, NW1 5NFFlat 4, 21, Siddons Lane, London, NW1 5NF
- Sold Feb 1997£169,000 | 2 Bed FlatFlat 2, 21, Siddons Lane, London, NW1 5NFFlat 2, 21, Siddons Lane, London, NW1 5NF
- Sold Aug 1995£79,750 | 2 Bed FlatFlat 1, 21, Siddons Lane, London, NW1 5NFFlat 1, 21, Siddons Lane, London, NW1 5NF
Property Types
- 5 mid-century flats built between 1936 and 1979
- mid-century flat (5)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 5 properties.
- The most common rating is C.
- A (0)
- E (0)
- B (0)
- F (0)
- C (4)
- G (0)
- D (1)
- No EPC (0)
Top 3 Most Expensive Sales
- Sold Mar 2026£820,000 | 2 Bed FlatFlat 4, 21, Siddons Lane, London, NW1 5NFFlat 4, 21, Siddons Lane, London, NW1 5NF
- Sold Oct 2019£461,000 | 1 Bed FlatFlat 31, 5, Siddons Lane, London, NW1 6EHFlat 31, 5, Siddons Lane, London, NW1 6EH
- Sold Aug 2001£230,000 | 2 Bed FlatFlat 3, 21, Siddons Lane, London, NW1 5NFFlat 3, 21, Siddons Lane, London, NW1 5NF
Schools Nearby
- St Edward's Catholic Primary School500 m away
- St Mary's Bryanston Square CofE School500 m away
- Christ Church Bentinck CofE Primary School600 m away
- The St Marylebone CofE School500 m away
- Marylebone Boys' School1.4 km away
- Maria Fidelis Catholic School FCJ2.0 km away
More reading links
Public Transport Nearby
The closest station to 21, Siddons Lane, London, NW1 5NF is Baker Street station, which is 200 metres away.
- Baker Street|200 m away
- London Marylebone|300 m away
- Marylebone|300 m away
- Edgware Road|800 m away