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Registered Address: 2 Leman St, London E1 8FA
AL4 9SLHouse Prices / East of England, St Albans, Windmill Avenue
Last updated May 2026
Key Postcode Insights
AL4 9SL is a residential postcode situated on Windmill Avenue, St. Albans, AL4 with 18 addresses.
It ranks as the 490th largest and 175th most expensive of the 748 postcodes in the AL4 area. The dominant property type is a mid-century house built between 1936 and 1979.
The postcode contains a total of 18 properties: 17 houses and 1 flat.
18
Properties
- Houses
- Flats
Key Postcode Insights
AL4 9SL is a residential postcode situated on Windmill Avenue, St. Albans, AL4 with 18 addresses.
It ranks as the 490th largest and 175th most expensive of the 748 postcodes in the AL4 area. The dominant property type is a mid-century house built between 1936 and 1979.
The postcode contains a total of 18 properties: 17 houses and 1 flat.
18
Properties
- Houses
- Flats
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House Pricesin AL4 9SL
Sale prices range from £246,173 for 2 bedroom Leasehold flats (752 ft2) to £481,287 for 3 bedroom freehold houses with a garden (990 ft2) .
Monthly rental prices range from £1,323 pcm for 2 bed flats to £2,027 pcm for 3 bed houses.
The gross rental yield is between 5.1% and 6.4%.
The average value per square foot is £493.
Average Sale Value
£455,960
Average Rental Value
£1,946 pcm
Average Rental Yield
5.1% /year
Average Value Per Sqft
£493 /ft2
Sales Market Trendsin AL4 9SL
The last sale in AL4 9SL sold for £470,000 on 20th April 2023. Since then prices are up an average of 1.9%.
The current average value in the postcode is £455,960.
The AL4 9SL Sales Market has increased by 18.2% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| April 2026 | 1% | £455,960 |
| April 2025 | 0.7% | £451,453 |
| April 2024 | 0.1% | £448,381 |
| April 2023 | -0.2% | £447,844 |
| April 2022 | 7.9% | £448,851 |
| April 2021 | 4.1% | £415,891 |
| April 2020 | 2.6% | £399,599 |
| April 2019 | -4.5% | £389,541 |
| April 2018 | 2.9% | £407,784 |
| April 2017 | 2.8% | £396,296 |
| April 2016 | 10.1% | £385,645 |
| April 2015 | 15% | £350,253 |
| April 2014 | 8.5% | £304,694 |
| April 2013 | 5.2% | £280,842 |
| April 2012 | 2.9% | £266,944 |
| April 2011 | -1% | £259,407 |
| April 2010 | 14.7% | £262,109 |
| April 2009 | -13.9% | £228,541 |
| April 2008 | 3.4% | £265,579 |
| April 2007 | 0% | £256,750 |
Rental Market Trendsin AL4 9SL
The current average rental value in the postcode is £1,946.
The AL4 9SL Rental Market has increased by 46.1% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| April 2026 | 3.6% | £1,946pcm |
| April 2025 | 4.1% | £1,878pcm |
| April 2024 | 7.9% | £1,805pcm |
| April 2023 | 8.5% | £1,672pcm |
| April 2022 | 9.2% | £1,541pcm |
| April 2021 | 3.6% | £1,410pcm |
| April 2020 | -0.7% | £1,361pcm |
| April 2019 | 1% | £1,371pcm |
| April 2018 | 1.3% | £1,358pcm |
| April 2017 | 0.6% | £1,340pcm |
| April 2016 | 5.3% | £1,332pcm |
| April 2015 | 6% | £1,265pcm |
| April 2014 | 8.4% | £1,193pcm |
| April 2013 | 0.9% | £1,101pcm |
| April 2012 | 0.5% | £1,091pcm |
| April 2011 | 5.5% | £1,086pcm |
| April 2010 | 2.6% | £1,029pcm |
| April 2009 | -4.7% | £1,003pcm |
| April 2008 | 3.2% | £1,052pcm |
| April 2007 | 0% | £1,020pcm |
Explore Propertiesin AL4 9SL, Windmill Avenue, St. Albans, AL4
- 97, Windmill Avenue, St. Albans, AL4 9SL
- 99, Windmill Avenue, St. Albans, AL4 9SL
- 101, Windmill Avenue, St. Albans, AL4 9SL3 bed mid-century house
- 103, Windmill Avenue, St. Albans, AL4 9SL3 bed mid-century house
- 105, Windmill Avenue, St. Albans, AL4 9SL3 bed mid-century house
- 107, Windmill Avenue, St. Albans, AL4 9SL3 bed mid-century house
- 109, Windmill Avenue, St. Albans, AL4 9SL3 bed mid-century house
- 111, Windmill Avenue, St. Albans, AL4 9SL3 bed mid-century house
- 113, Windmill Avenue, St. Albans, AL4 9SL
- 115, Windmill Avenue, St. Albans, AL4 9SL2 bed flat
- 117, Windmill Avenue, St. Albans, AL4 9SL3 bed mid-century house
- 119, Windmill Avenue, St. Albans, AL4 9SL3 bed mid-century house
- 121, Windmill Avenue, St. Albans, AL4 9SL3 bed mid-century house
- 123, Windmill Avenue, St. Albans, AL4 9SL
- 125, Windmill Avenue, St. Albans, AL4 9SL3 bed mid-century house
- 127, Windmill Avenue, St. Albans, AL4 9SL
- 129, Windmill Avenue, St. Albans, AL4 9SL3 bed mid-century house
- 131, Windmill Avenue, St. Albans, AL4 9SL
Sales Historyin AL4 9SL
The last sale was on 20th April 2023 for £470,000 and since then the market in the area has increased by 1.9%. The postcode has had a total of 18 sales since 1995.
AL4 9SL has seen 1 sale in the last three years and no sales in the last twelve months.
Sold Apr 2023£470,000 | 3 Bed HouseWindmill Avenue117, Windmill Avenue, St. Albans, AL4 9SL
Sold Aug 2022£530,000 | 3 Bed HouseWindmill Avenue121, Windmill Avenue, St. Albans, AL4 9SL
Sold Oct 2021£450,000 | 3 Bed HouseWindmill Avenue101, Windmill Avenue, St. Albans, AL4 9SL
Sold Jun 2021£418,000 | 3 Bed HouseWindmill Avenue129, Windmill Avenue, St. Albans, AL4 9SL
Sold Aug 2018£385,000 | 3 Bed HouseWindmill Avenue117, Windmill Avenue, St. Albans, AL4 9SL
Sold Aug 2018£375,000 | 3 Bed HouseWindmill Avenue103, Windmill Avenue, St. Albans, AL4 9SL
Sold Feb 2016£335,000 | 3 Bed HouseWindmill Avenue129, Windmill Avenue, St. Albans, AL4 9SL
Sold Mar 2015£285,000 | 3 Bed HouseWindmill Avenue105, Windmill Avenue, St. Albans, AL4 9SL
Sold Apr 2009£175,000 | 3 Bed HouseWindmill Avenue109, Windmill Avenue, St. Albans, AL4 9SL
Sold Jan 2009£195,000 | 2 Bed FlatWindmill Avenue115, Windmill Avenue, St. Albans, AL4 9SL
Sold Jul 2008£249,950 | 3 Bed HouseWindmill Avenue129, Windmill Avenue, St. Albans, AL4 9SL
Sold May 2006£195,000 | 3 Bed HouseWindmill Avenue109, Windmill Avenue, St. Albans, AL4 9SL
Sold Mar 2005£195,000 | 3 Bed HouseWindmill Avenue127, Windmill Avenue, St. Albans, AL4 9SL
Sold Sep 2004£175,000 | 3 Bed HouseWindmill Avenue109, Windmill Avenue, St. Albans, AL4 9SL
Sold Jun 2001£130,000 | 3 Bed HouseWindmill Avenue105, Windmill Avenue, St. Albans, AL4 9SL
Sold Aug 2000£73,000 | 3 Bed HouseWindmill Avenue109, Windmill Avenue, St. Albans, AL4 9SL
Sold Sep 1998£91,500 | 3 Bed HouseWindmill Avenue129, Windmill Avenue, St. Albans, AL4 9SL
Sold Mar 1995£73,000 | 3 Bed HouseWindmill Avenue101, Windmill Avenue, St. Albans, AL4 9SL
Nearby Postcodesto AL4 9SL
AL4 9SL is the 490th largest and the 175th most expensive postcode out of the 748 postcodes in the AL4 area.
- 57 mAL4 9SS, Mendip Close, St. Albans, AL4AL4 9SS13 Addresses
- 86 mAL4 9SR, Mendip Close, St. Albans, AL4AL4 9SR13 Addresses
- 87 mAL4 9SX, Quantock Close, St. Albans, AL4AL4 9SX10 Addresses
- 90 mAL4 9SP, Chiltern Road, St. Albans, AL4AL4 9SP8 Addresses
- 109 mAL4 9FJ, Chiltern Road, St. Albans, AL4AL4 9FJ35 Addresses
- 115 mAL4 9SU, Cotswold Close, St. Albans, AL4AL4 9SU16 Addresses
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Property Typesin AL4 9SL
- 11 mid-century houses built between 1936 and 1979
- 1 flat of an unknown age
- 6 other addresses of unknown type
- mid-century house (11)
- flat (1)
- Unknown (6)
Energy Efficiencyof properties in AL4 9SL
- Energy Performance Certificate (EPC) surveys conducted for 11 properties.
- The dominant rating is D.
- A (0)
- E (0)
- B (1)
- F (0)
- C (4)
- G (0)
- D (6)
- No EPC (7)
Top 3 Most Expensive Saleson Windmill Avenue
Schools Nearbyto AL4 9SL
The nearest primary school to AL4 9SL is Skyswood Primary & Nursery School which is 426 metres away.
- 426mSkyswood Primary & Nursery School
- 584mWheatfields Junior Mixed School
- 584mWheatfields Infants' and Nursery School
The nearest secondary school is Sandringham School which is 324 metres away.
- 324mSandringham School
- 1.8kmBeaumont School
- 2.0kmVerulam School
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Public Transport Nearbyto AL4 9SL
The closest station to AL4 9SL is St Albans City station which is 2.9 kilometres away.
- 2.9kmSt Albans City
- 4.0kmSt Albans Abbey
- 5.7kmPark Street
- 5.9kmHarpenden
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