21 Siddons LaneHouse Prices / London, Westminster, 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 2095th largest and 2099th most expensive of the 3,046 buildings in the NW1 area. The dominant property type is a mid-century flat built between 1936 and 1979.
The building contains a total of 5 properties: 5 flats.
- Flats
Key Building Insights
21 Siddons Lane is a residential building situated on Siddons Lane, London, NW1 with 5 addresses.
It ranks as the 2095th largest and 2099th most expensive of the 3,046 buildings in the NW1 area. The dominant property type is a mid-century flat built between 1936 and 1979.
The building contains a total of 5 properties: 5 flats.
- Flats
House Pricesin 21 Siddons Lane
Sale prices range from £649,180 for 2 bedroom leasehold flats (602 ft2) to £839,146 for 2 bedroom leasehold flats (839 ft2) .
Monthly rental prices range from £3,420 pcm for 2 bed flats to £4,174 pcm for 2 bed flats.
The gross rental yield is between 6.0% and 6.3%.
The average value per square foot is £1,069.
Sales Market Trendsin 21 Siddons Lane
The last sale in 21 Siddons Lane sold for £820,000 on 31st March 2026. Since then prices are up an average of 3.4%.
The current average value in the building is £722,109.
The 21 Siddons Lane Sales Market has decreased by 14.2% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| May 2026 | -0.7% | £722,109 |
| May 2025 | -1.9% | £727,002 |
| May 2024 | -1.5% | £741,442 |
| May 2023 | -0.2% | £753,067 |
| May 2022 | 3.7% | £754,785 |
| May 2021 | -3.8% | £727,997 |
| May 2020 | 0.6% | £756,737 |
| May 2019 | -3.6% | £752,193 |
| May 2018 | -2.9% | £780,284 |
| May 2017 | -4.6% | £803,682 |
| May 2016 | -2.1% | £842,099 |
| May 2015 | 5.1% | £860,085 |
| May 2014 | 15.3% | £818,030 |
| May 2013 | 13.4% | £709,350 |
| May 2012 | 14.4% | £625,795 |
| May 2011 | 7.6% | £546,943 |
| May 2010 | 14.1% | £508,361 |
| May 2009 | -7.1% | £445,345 |
| May 2008 | 25.4% | £479,518 |
| May 2007 | 0% | £382,406 |
Rental Market Trendsin 21 Siddons Lane
The current average rental value in the building is £3,713.
The 21 Siddons Lane Rental Market has increased by 31.1% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| May 2026 | 5.8% | £3,713pcm |
| May 2025 | 3.3% | £3,509pcm |
| May 2024 | 3.3% | £3,398pcm |
| May 2023 | 11.5% | £3,290pcm |
| May 2022 | 20.7% | £2,951pcm |
| May 2021 | -10.8% | £2,445pcm |
| May 2020 | -1.9% | £2,741pcm |
| May 2019 | 1% | £2,795pcm |
| May 2018 | 1.6% | £2,766pcm |
| May 2017 | -3.9% | £2,722pcm |
| May 2016 | -0.8% | £2,833pcm |
| May 2015 | 0.3% | £2,857pcm |
| May 2014 | 1.8% | £2,848pcm |
| May 2013 | -3.9% | £2,798pcm |
| May 2012 | 5.3% | £2,911pcm |
| May 2011 | 11.8% | £2,764pcm |
| May 2010 | 12.8% | £2,471pcm |
| May 2009 | -8.6% | £2,192pcm |
| May 2008 | 4.5% | £2,398pcm |
| May 2007 | 0% | £2,294pcm |
Explore Propertiesin 21, Siddons Lane, London, NW1 5NF
- Flat 1, 21, Siddons Lane, London, NW1 5NF2 bed mid-century flat
- Flat 2, 21, Siddons Lane, London, NW1 5NF2 bed mid-century flat
- Flat 3, 21, Siddons Lane, London, NW1 5NF2 bed mid-century flat
- Flat 4, 21, Siddons Lane, London, NW1 5NF2 bed mid-century flat
- Flat 5, 21, Siddons Lane, London, NW1 5NF2 bed mid-century flat
Sales Historyin 21, Siddons Lane, London, NW1 5NF
The last sale was on 31st March 2026 for £820,000 and since then the market in the area has increased by 3.4%. 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.
Property Typesin 21 Siddons Lane
- 5 mid-century flats built between 1936 and 1979
- mid-century flat (5)
Energy Efficiencyof properties in 21 Siddons Lane
- Energy Performance Certificate (EPC) surveys conducted for 5 properties.
- The dominant rating is C.
- A (0)
- E (0)
- B (0)
- F (0)
- C (4)
- G (0)
- D (1)
- No EPC (0)
Top 3 Most Expensive Saleson Siddons Lane, London, NW1
Schools Nearby
- 500mSt Edward's Catholic Primary School
- 500mSt Mary's Bryanston Square CofE School
- 600mChrist Church Bentinck CofE Primary School
- 500mThe St Marylebone CofE School
- 1.4kmMarylebone Boys' School
- 2.0kmMaria Fidelis Catholic School FCJ
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.
- 200mBaker Street
- 300mLondon Marylebone
- 300mMarylebone
- 800mEdgware Road
