Mallory Street - NW8 8SY
Key Postcode Insights
NW8 8SY is a residential postcode situated on Mallory Street, London, NW8 with 36 addresses.
It ranks as the 592nd largest and 134th most expensive of the 753 postcodes in the NW8 area. The most common property type is a mid-century flat built between 1936 and 1979.
The postcode contains a total of 36 properties: 36 flats.
- Ave. Sale Price
- £441,595
- 10 Year change
- down 15.6%
- Ave. Rental Price
- £2,189pcm
- 10 Year change
- up 30.7%
- Ave. £ per ft²
- £501/ft²
- Ave. Gross Yield
- 5.9%/year/yr
Key Postcode Insights
NW8 8SY is a residential postcode situated on Mallory Street, London, NW8 with 36 addresses.
It ranks as the 592nd largest and 134th most expensive of the 753 postcodes in the NW8 area. The most common property type is a mid-century flat built between 1936 and 1979.
The postcode contains a total of 36 properties: 36 flats.
- Ave. Sale Price
- £441,595
- 10 Year change
- down 15.6%
- Ave. Rental Price
- £2,189pcm
- 10 Year change
- up 30.7%
- Ave. £ per ft²
- £501/ft²
- Ave. Gross Yield
- 5.9%/year/yr
Explore Propertiesin NW8 8SY
- Gayhurst House
Mid-century Building | 32 Units
- 24 Mallory Street
2 Bed Early-century Flat
- 25 Mallory Street
Unknown
- 26 Mallory Street
Unknown
- 27 Mallory Street
Unknown
Sales Market Trends
The last sale in NW8 8SY sold for £490,000 on 29th September 2025. Since then prices are down an average of 15.5%.
The current average value in the postcode is £441,595.
The NW8 8SY Sales Market has decreased by 15.6% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | -2.9% | £441,595 |
| June 2025 | -1.4% | £454,729 |
| June 2024 | 0% | £460,969 |
| June 2023 | -3% | £461,008 |
| June 2022 | 1.9% | £475,419 |
| June 2021 | -2.5% | £466,714 |
| June 2020 | 0.4% | £478,800 |
| June 2019 | -1.4% | £476,665 |
| June 2018 | -6.1% | £483,201 |
| June 2017 | -1.6% | £514,798 |
| June 2016 | 1% | £523,319 |
| June 2015 | 4.2% | £518,204 |
| June 2014 | 18.2% | £497,188 |
| June 2013 | 8.8% | £420,766 |
| June 2012 | 11.1% | £386,763 |
| June 2011 | 5.7% | £348,276 |
| June 2010 | 11.1% | £329,406 |
| June 2009 | -5.8% | £296,547 |
| June 2008 | 8.8% | £314,960 |
| June 2007 | 0% | £289,426 |
Rental Market Trends
The current average rental value in the postcode is £2,189.
The NW8 8SY Rental Market has increased by 30.7% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 3.7% | £2,189pcm |
| June 2025 | 3.8% | £2,111pcm |
| June 2024 | 2.8% | £2,034pcm |
| June 2023 | 10.3% | £1,978pcm |
| June 2022 | 18.9% | £1,794pcm |
| June 2021 | -5.7% | £1,509pcm |
| June 2020 | -3.4% | £1,600pcm |
| June 2019 | 2.3% | £1,656pcm |
| June 2018 | -1% | £1,619pcm |
| June 2017 | -2.4% | £1,636pcm |
| June 2016 | 2.4% | £1,675pcm |
| June 2015 | 2.7% | £1,637pcm |
| June 2014 | 3.6% | £1,593pcm |
| June 2013 | -3% | £1,537pcm |
| June 2012 | 1.3% | £1,584pcm |
| June 2011 | 8.2% | £1,564pcm |
| June 2010 | 10.4% | £1,446pcm |
| June 2009 | -11.3% | £1,310pcm |
| June 2008 | 4.6% | £1,476pcm |
| June 2007 | 0% | £1,410pcm |
Sales History
The last sale was on 29th September 2025 for £490,000 and since then the market in the area has decreased by 15.5%. The postcode has had a total of 22 sales since 1995.
NW8 8SY has seen 3 sales in the last three years and 1 sale in the last twelve months.
- Sold Sep 2025£490,000 | 2 Bed FlatFlat 29, Gayhurst House 23, Mallory Street, London, NW8 8SYFlat 29, Gayhurst House 23, Mallory Street, London, NW8 8SY
- Sold Aug 2024£580,000 | 3 Bed FlatFlat 8, Gayhurst House 28, Mallory Street, London, NW8 8SYFlat 8, Gayhurst House 28, Mallory Street, London, NW8 8SY
- Sold Apr 2024£750,000 | 3 Bed FlatFlat 7, Gayhurst House 28, Mallory Street, London, NW8 8SYFlat 7, Gayhurst House 28, Mallory Street, London, NW8 8SY
- Sold Oct 2020£505,000 | 3 Bed FlatFlat 6, Gayhurst House 28, Mallory Street, London, NW8 8SYFlat 6, Gayhurst House 28, Mallory Street, London, NW8 8SY
- Sold Jul 2019£427,500 | 1 Bed FlatFlat 34, Gayhurst House 23, Mallory Street, London, NW8 8SYFlat 34, Gayhurst House 23, Mallory Street, London, NW8 8SY
Nearby Postcodes
NW8 8SY is the 592nd largest and the 134th most expensive postcode out of the 753 postcodes in the NW8 area.
- NW8 8UQ, Lilestone Street, London, NW8NW8 8UQ4 Addresses|14 m away
- NW8 8SU, Lilestone Street, London, NW8NW8 8SU1 Addresses|41 m away
- NW8 8AQ, Bernhardt Crescent, London, NW8NW8 8AQ24 Addresses|48 m away
- NW8 8TB, Mallory Street, London, NW8NW8 8TB36 Addresses|54 m away
- NW8 8TA, Mallory Street, London, NW8NW8 8TA62 Addresses|55 m away
Property Types
- 32 mid-century flats built between 1936 and 1979
- 1 early-century flat built between 1912 and 1935
- 3 other addresses of unknown type
- mid-century flat (32)
- early-century flat (1)
- Unknown (3)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 25 properties.
- The most common rating is C.
- A (0)
- E (0)
- B (5)
- F (0)
- C (15)
- G (0)
- D (5)
- No EPC (11)
Top 3 Most Expensive Sales
- Sold Apr 2024£750,000 | 3 Bed FlatFlat 7, Gayhurst House 28, Mallory Street, London, NW8 8SYFlat 7, Gayhurst House 28, Mallory Street, London, NW8 8SY
- Sold Aug 2024£580,000 | 3 Bed FlatFlat 8, Gayhurst House 28, Mallory Street, London, NW8 8SYFlat 8, Gayhurst House 28, Mallory Street, London, NW8 8SY
- Sold Sep 2016£540,000 | 3 Bed FlatFlat 7, Gayhurst House 28, Mallory Street, London, NW8 8SYFlat 7, Gayhurst House 28, Mallory Street, London, NW8 8SY
Schools Nearby
- St Edward's Catholic Primary School200 m away
- Gateway Academy300 m away
- Christ Church Bentinck CofE Primary School400 m away
- Marylebone Boys' School1.0 km away
- The St Marylebone CofE School1.1 km away
- Harris Academy St John's Wood1.6 km away
More reading links
Public Transport Nearby
The closest station to NW8 8SY is Marylebone station, which is 400 metres away.
- Marylebone|400 m away
- London Marylebone|400 m away
- Edgware Road|600 m away
- Baker Street|800 m away