Windmill Street - HP18 9SZ
Key Postcode Insights
HP18 9SZ is a residential postcode situated on Windmill Street, Brill, Aylesbury, HP18 with 18 addresses.
It ranks as the 502nd largest and 375th most expensive of the 679 postcodes in the HP18 area. The most common property type is a period house built between 1800 and 1911.
The postcode contains a total of 18 properties: 18 houses.
- Ave. Sale Price
- £522,185
- 10 Year change
- up 19.9%
- Ave. Rental Price
- £1,712pcm
- 10 Year change
- up 47.0%
- Ave. £ per ft²
- £425/ft²
- Ave. Gross Yield
- 3.9%/year/yr
Key Postcode Insights
HP18 9SZ is a residential postcode situated on Windmill Street, Brill, Aylesbury, HP18 with 18 addresses.
It ranks as the 502nd largest and 375th most expensive of the 679 postcodes in the HP18 area. The most common property type is a period house built between 1800 and 1911.
The postcode contains a total of 18 properties: 18 houses.
- Ave. Sale Price
- £522,185
- 10 Year change
- up 19.9%
- Ave. Rental Price
- £1,712pcm
- 10 Year change
- up 47.0%
- Ave. £ per ft²
- £425/ft²
- Ave. Gross Yield
- 3.9%/year/yr
Explore Propertiesin HP18 9SZ
- 1 Windmill Street
Unknown
- 2 Windmill Street
2 Bed Period House
- 3 Windmill Street
3 Bed Period House
- 4 Windmill Street
2 Bed Period House
- 6 Windmill Street
3 Bed Period House
Sales Market Trends
The last sale in HP18 9SZ sold for £308,000 on 12th December 2025. Since then prices are up an average of 0.8%.
The current average value in the postcode is £522,185.
The HP18 9SZ Sales Market has increased by 19.9% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | -0.8% | £522,185 |
| June 2025 | 1.8% | £526,600 |
| June 2024 | -0.5% | £517,189 |
| June 2023 | 1.8% | £519,682 |
| June 2022 | 8.2% | £510,281 |
| June 2021 | 5.8% | £471,591 |
| June 2020 | 1.8% | £445,600 |
| June 2019 | -2.8% | £437,672 |
| June 2018 | 1.4% | £450,268 |
| June 2017 | 2% | £444,104 |
| June 2016 | 10.1% | £435,582 |
| June 2015 | 6.2% | £395,665 |
| June 2014 | 10.9% | £372,563 |
| June 2013 | 0.9% | £335,962 |
| June 2012 | 1.4% | £332,852 |
| June 2011 | 0% | £328,343 |
| June 2010 | 11.1% | £328,427 |
| June 2009 | -7.7% | £295,585 |
| June 2008 | 2% | £320,229 |
| June 2007 | 0% | £313,976 |
Rental Market Trends
The current average rental value in the postcode is £1,712.
The HP18 9SZ Rental Market has increased by 47.0% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 3.3% | £1,712pcm |
| June 2025 | 6.5% | £1,657pcm |
| June 2024 | 3.9% | £1,556pcm |
| June 2023 | 9.2% | £1,498pcm |
| June 2022 | 8.6% | £1,371pcm |
| June 2021 | 6.9% | £1,263pcm |
| June 2020 | 0.2% | £1,181pcm |
| June 2019 | -0.3% | £1,179pcm |
| June 2018 | -0.6% | £1,182pcm |
| June 2017 | 2.1% | £1,189pcm |
| June 2016 | 4% | £1,165pcm |
| June 2015 | 6.4% | £1,119pcm |
| June 2014 | 3.7% | £1,052pcm |
| June 2013 | 1.3% | £1,014pcm |
| June 2012 | 4% | £1,001pcm |
| June 2011 | 5.3% | £963pcm |
| June 2010 | 4.5% | £915pcm |
| June 2009 | -3% | £875pcm |
| June 2008 | 4% | £902pcm |
| June 2007 | 0% | £867pcm |
Sales History
The last sale was on 12th December 2025 for £308,000 and since then the market in the area has increased by 0.8%. The postcode has had a total of 21 sales since 1995.
HP18 9SZ has seen 1 sale in the last three years and 1 sale in the last twelve months.
- Sold Dec 2025£308,000 | 2 Bed House4, Windmill Street, Aylesbury, HP18 9SZ4, Windmill Street, Aylesbury, HP18 9SZ
- Sold Jun 2021£585,000 | 3 Bed House22, Windmill Street, Aylesbury, HP18 9SZ22, Windmill Street, Aylesbury, HP18 9SZ
- Sold Nov 2020£575,000 | 4 Bed House15, Windmill Street, Aylesbury, HP18 9SZ15, Windmill Street, Aylesbury, HP18 9SZ
- Sold Aug 2020£700,000 | 4 Bed House10, Windmill Street, Aylesbury, HP18 9SZ10, Windmill Street, Aylesbury, HP18 9SZ
- Sold Jun 2020£300,000 | 3 Bed House28, Windmill Street, Aylesbury, HP18 9SZ28, Windmill Street, Aylesbury, HP18 9SZ
Nearby Postcodes
HP18 9SZ is the 502nd largest and the 375th most expensive postcode out of the 679 postcodes in the HP18 area.
- HP18 9TW, Highland Close, Brill, Aylesbury, HP18HP18 9TW5 Addresses|41 m away
- HP18 9TA, Primrose Terrace, Brill, Aylesbury, HP18HP18 9TA6 Addresses|44 m away
- HP18 9ST, High Street, Brill, Aylesbury, HP18HP18 9ST23 Addresses|110 m away
- HP18 9TG, Windmill Street, Brill, Aylesbury, HP18HP18 9TG29 Addresses|112 m away
- HP18 9SU, Temple Street, Brill, Aylesbury, HP18HP18 9SU34 Addresses|135 m away
Property Types
- 9 period houses built between 1800 and 1911
- 4 mid-century houses built between 1936 and 1979
- 5 other addresses of unknown type
- period house (9)
- mid-century house (4)
- Unknown (5)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 13 properties.
- The most common rating is D.
- A (0)
- E (5)
- B (0)
- F (2)
- C (1)
- G (0)
- D (5)
- No EPC (5)
Top 3 Most Expensive Sales
- Sold Aug 2020£700,000 | 4 Bed House10, Windmill Street, Aylesbury, HP18 9SZ10, Windmill Street, Aylesbury, HP18 9SZ
- Sold Apr 2021£700,000 | 4 Bed House50, Windmill Street, Aylesbury, HP18 9TG50, Windmill Street, Aylesbury, HP18 9TG
- Sold Oct 2024£607,500 | 4 Bed House66, Windmill Street, Aylesbury, HP18 9TG66, Windmill Street, Aylesbury, HP18 9TG
Schools Nearby
- Brill Church of England School300 m away
- Oakley Church of England Combined School2.6 km away
- Long Crendon School5.9 km away
- Lord Williams's School9.2 km away
- Waddesdon Church of England School9.3 km away
- Wheatley Park School9.4 km away
More reading links
Public Transport Nearby
The closest station to HP18 9SZ is Haddenham & Thame Parkway station, which is 9.4 kilometres away.
- Haddenham & Thame Parkway|9.4 km away
- Bicester Village|10.4 km away
- Bicester North|11.4 km away
- Islip|12.8 km away
