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AL6 9AUHouse Prices / East of England, Welwyn Hatfield, St. Marys Court
Last updated May 2026
Key Postcode Insights
AL6 9AU is a residential postcode situated on St. Marys Court, Welwyn, AL6 with 38 addresses.
It ranks as the 480th largest and 38th most expensive of the 487 postcodes in the AL6 area. The dominant property type is a modern house built after 1980.
The postcode contains a total of 38 properties: 26 houses and 12 flats.
38
Properties
- Houses
- Flats
Key Postcode Insights
AL6 9AU is a residential postcode situated on St. Marys Court, Welwyn, AL6 with 38 addresses.
It ranks as the 480th largest and 38th most expensive of the 487 postcodes in the AL6 area. The dominant property type is a modern house built after 1980.
The postcode contains a total of 38 properties: 26 houses and 12 flats.
38
Properties
- Houses
- Flats
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House Pricesin AL6 9AU
Sale prices range from £233,924 for 2 bedroom freehold houses with a garden (384 ft2) to £801,495 for 4 bedroom freehold houses with a garden (1,386 ft2) .
Monthly rental prices range from £1,192 pcm for 2 bed houses to £2,753 pcm for 4 bed houses.
The gross rental yield is between 4.1% and 7.1%.
The average value per square foot is £422.
Average Sale Value
£372,632
Average Rental Value
£1,829 pcm
Average Rental Yield
5.9% /year
Average Value Per Sqft
£422 /ft2
Sales Market Trendsin AL6 9AU
The last sale in AL6 9AU sold for £310,000 on 29th October 2025. Since then prices are down an average of 0.4%.
The current average value in the postcode is £372,632.
The AL6 9AU Sales Market has increased by 13.8% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| April 2026 | -1.1% | £372,632 |
| April 2025 | 2.6% | £376,951 |
| April 2024 | -3.5% | £367,246 |
| April 2023 | 1.1% | £380,700 |
| April 2022 | 7.2% | £376,421 |
| April 2021 | 4.9% | £351,092 |
| April 2020 | 2.1% | £334,546 |
| April 2019 | -4% | £327,782 |
| April 2018 | 1.4% | £341,373 |
| April 2017 | 2.8% | £336,515 |
| April 2016 | 13.5% | £327,383 |
| April 2015 | 8.1% | £288,524 |
| April 2014 | 11% | £267,019 |
| April 2013 | 5.3% | £240,556 |
| April 2012 | -0.3% | £228,436 |
| April 2011 | 4% | £229,084 |
| April 2010 | 8.3% | £220,293 |
| April 2009 | -15.5% | £203,421 |
| April 2008 | 6.4% | £240,872 |
| April 2007 | 0% | £226,423 |
Rental Market Trendsin AL6 9AU
The current average rental value in the postcode is £1,829.
The AL6 9AU Rental Market has increased by 45.5% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| April 2026 | 3.3% | £1,829pcm |
| April 2025 | 4.6% | £1,770pcm |
| April 2024 | 8% | £1,692pcm |
| April 2023 | 9% | £1,567pcm |
| April 2022 | 7.5% | £1,437pcm |
| April 2021 | 3.8% | £1,337pcm |
| April 2020 | 0.6% | £1,288pcm |
| April 2019 | 1.7% | £1,280pcm |
| April 2018 | 0.6% | £1,258pcm |
| April 2017 | -0.4% | £1,251pcm |
| April 2016 | 6% | £1,256pcm |
| April 2015 | 6.2% | £1,185pcm |
| April 2014 | 5.4% | £1,116pcm |
| April 2013 | 1.5% | £1,059pcm |
| April 2012 | 2.3% | £1,043pcm |
| April 2011 | 1.5% | £1,019pcm |
| April 2010 | 4.8% | £1,004pcm |
| April 2009 | -6.7% | £958pcm |
| April 2008 | 5.9% | £1,027pcm |
| April 2007 | 0% | £970pcm |
Explore Propertiesin AL6 9AU, St. Marys Court, Welwyn, AL6
- 1, St. Marys Court, Welwyn, AL6 9AU2 bed modern flat
- 2, St. Marys Court, Welwyn, AL6 9AU2 bed modern flat
- 3, St. Marys Court, Welwyn, AL6 9AU2 bed modern flat
- 4, St. Marys Court, Welwyn, AL6 9AU2 bed modern flat
- 5, St. Marys Court, Welwyn, AL6 9AU3 bed modern house
- 6, St. Marys Court, Welwyn, AL6 9AU2 bed modern house
- 7, St. Marys Court, Welwyn, AL6 9AU2 bed house
- 8, St. Marys Court, Welwyn, AL6 9AU3 bed house
- 9, St. Marys Court, Welwyn, AL6 9AU
- 10, St. Marys Court, Welwyn, AL6 9AU4 bed house
- 11, St. Marys Court, Welwyn, AL6 9AU3 bed mid-century house
- 12, St. Marys Court, Welwyn, AL6 9AU2 bed modern house
- 13, St. Marys Court, Welwyn, AL6 9AU2 bed house
- 14, St. Marys Court, Welwyn, AL6 9AU3 bed modern house
- 15, St. Marys Court, Welwyn, AL6 9AU2 bed modern flat
- 16, St. Marys Court, Welwyn, AL6 9AU3 bed modern house
- 17, St. Marys Court, Welwyn, AL6 9AU2 bed modern flat
- 18, St. Marys Court, Welwyn, AL6 9AU4 bed house
- 19, St. Marys Court, Welwyn, AL6 9AU
- 20, St. Marys Court, Welwyn, AL6 9AU3 bed modern house
- 21, St. Marys Court, Welwyn, AL6 9AU3 bed modern house
- 22, St. Marys Court, Welwyn, AL6 9AU3 bed modern house
- 23, St. Marys Court, Welwyn, AL6 9AU3 bed modern house
- 24, St. Marys Court, Welwyn, AL6 9AU4 bed house
- 25, St. Marys Court, Welwyn, AL6 9AU3 bed modern house
- 26, St. Marys Court, Welwyn, AL6 9AU
- 27, St. Marys Court, Welwyn, AL6 9AU3 bed modern house
- 28, St. Marys Court, Welwyn, AL6 9AU3 bed house
- 29, St. Marys Court, Welwyn, AL6 9AU3 bed mid-century house
- 30, St. Marys Court, Welwyn, AL6 9AU4 bed house
- 31, St. Marys Court, Welwyn, AL6 9AU3 bed house
- 32, St. Marys Court, Welwyn, AL6 9AU3 bed modern house
- 33, St. Marys Court, Welwyn, AL6 9AU3 bed house
- 34, St. Marys Court, Welwyn, AL6 9AU2 bed flat
- 35, St. Marys Court, Welwyn, AL6 9AU2 bed modern flat
- 36, St. Marys Court, Welwyn, AL6 9AU2 bed modern flat
- 37, St. Marys Court, Welwyn, AL6 9AU2 bed flat
- 38, St. Marys Court, Welwyn, AL6 9AU2 bed flat
Sales Historyin AL6 9AU
The last sale was on 29th October 2025 for £310,000 and since then the market in the area has decreased by 0.4%. The postcode has had a total of 81 sales since 1995.
AL6 9AU has seen 5 sales in the last three years and 1 sale in the last twelve months.
Sold Oct 2025£310,000 | 2 Bed FlatSt. Marys Court1, St. Marys Court, Welwyn, AL6 9AU
Sold Nov 2024£295,000 | 3 Bed HouseSt. Marys Court11, St. Marys Court, Welwyn, AL6 9AU
Sold Mar 2024£365,000 | 3 Bed HouseSt. Marys Court21, St. Marys Court, Welwyn, AL6 9AU
Sold Feb 2024£368,000 | 3 Bed HouseSt. Marys Court23, St. Marys Court, Welwyn, AL6 9AU
Sold Jan 2023£235,000 | 2 Bed FlatSt. Marys Court1, St. Marys Court, Welwyn, AL6 9AU
Sold May 2022£195,000 | 2 Bed HouseSt. Marys Court6, St. Marys Court, Welwyn, AL6 9AU
Sold Jan 2022£410,000 | 3 Bed HouseSt. Marys Court20, St. Marys Court, Welwyn, AL6 9AU
Sold Sep 2021£335,000 | 3 Bed HouseSt. Marys Court14, St. Marys Court, Welwyn, AL6 9AU
Sold Aug 2021£413,000 | 3 Bed HouseSt. Marys Court25, St. Marys Court, Welwyn, AL6 9AU
Sold Jul 2021£202,500 | 2 Bed FlatSt. Marys Court17, St. Marys Court, Welwyn, AL6 9AU
Sold Aug 2020£282,000 | 2 Bed FlatSt. Marys Court15, St. Marys Court, Welwyn, AL6 9AU
Sold Dec 2019£375,000 | 3 Bed HouseSt. Marys Court16, St. Marys Court, Welwyn, AL6 9AU
Sold Aug 2019£200,000 | 2 Bed FlatSt. Marys Court4, St. Marys Court, Welwyn, AL6 9AU
Sold Aug 2019£207,500 | 2 Bed HouseSt. Marys Court12, St. Marys Court, Welwyn, AL6 9AU
Sold Feb 2019£250,000 | 2 Bed FlatSt. Marys Court37, St. Marys Court, Welwyn, AL6 9AU
Sold Oct 2018£350,000 | 3 Bed HouseSt. Marys Court27, St. Marys Court, Welwyn, AL6 9AU
Sold Aug 2018£370,000 | 3 Bed HouseSt. Marys Court28, St. Marys Court, Welwyn, AL6 9AU
Sold Jul 2018£220,000 | 2 Bed FlatSt. Marys Court38, St. Marys Court, Welwyn, AL6 9AU
Sold May 2018£175,000 | 2 Bed FlatSt. Marys Court36, St. Marys Court, Welwyn, AL6 9AU
Sold Apr 2018£340,000 | 3 Bed HouseSt. Marys Court22, St. Marys Court, Welwyn, AL6 9AU
Sold Sep 2017£200,000 | 2 Bed FlatSt. Marys Court2, St. Marys Court, Welwyn, AL6 9AU
Sold Jul 2017£200,000 | 2 Bed HouseSt. Marys Court7, St. Marys Court, Welwyn, AL6 9AU
Sold Apr 2017£330,000 | 3 Bed HouseSt. Marys Court20, St. Marys Court, Welwyn, AL6 9AU
Sold Jan 2017£195,000 | 2 Bed FlatSt. Marys Court35, St. Marys Court, Welwyn, AL6 9AU
Sold Aug 2016£175,000 | 2 Bed FlatSt. Marys Court3, St. Marys Court, Welwyn, AL6 9AU
Sold Oct 2014£152,500 | 2 Bed HouseSt. Marys Court13, St. Marys Court, Welwyn, AL6 9AU
Sold Sep 2014£160,000 | 2 Bed HouseSt. Marys Court12, St. Marys Court, Welwyn, AL6 9AU
Sold May 2014£250,000 | 3 Bed HouseSt. Marys Court22, St. Marys Court, Welwyn, AL6 9AU
Sold May 2013£287,500 | 3 Bed HouseSt. Marys Court25, St. Marys Court, Welwyn, AL6 9AU
Sold May 2013£285,000 | 3 Bed HouseSt. Marys Court23, St. Marys Court, Welwyn, AL6 9AU
Sold Apr 2013£285,000 | 3 Bed HouseSt. Marys Court20, St. Marys Court, Welwyn, AL6 9AU
Sold Jul 2012£285,000 | 4 Bed HouseSt. Marys Court10, St. Marys Court, Welwyn, AL6 9AU
Sold May 2012£280,000 | 3 Bed HouseSt. Marys Court32, St. Marys Court, Welwyn, AL6 9AU
Sold May 2012£250,000 | 3 Bed HouseSt. Marys Court31, St. Marys Court, Welwyn, AL6 9AU
Sold Apr 2012£150,000 | 2 Bed FlatSt. Marys Court38, St. Marys Court, Welwyn, AL6 9AU
Sold Nov 2011£292,500 | 4 Bed HouseSt. Marys Court18, St. Marys Court, Welwyn, AL6 9AU
Sold Oct 2011£290,000 | 4 Bed HouseSt. Marys Court24, St. Marys Court, Welwyn, AL6 9AU
Sold Sep 2011£220,000 | 3 Bed HouseSt. Marys Court28, St. Marys Court, Welwyn, AL6 9AU
Sold Jun 2011£159,950 | 2 Bed FlatSt. Marys Court37, St. Marys Court, Welwyn, AL6 9AU
Sold Feb 2011£265,000 | 3 Bed HouseSt. Marys Court33, St. Marys Court, Welwyn, AL6 9AU
Sold Aug 2010£192,500 | 3 Bed HouseSt. Marys Court8, St. Marys Court, Welwyn, AL6 9AU
Sold Dec 2009£275,000 | 4 Bed HouseSt. Marys Court30, St. Marys Court, Welwyn, AL6 9AU
Sold Aug 2009£217,500 | 3 Bed HouseSt. Marys Court14, St. Marys Court, Welwyn, AL6 9AU
Sold Jul 2009£225,000 | 3 Bed HouseSt. Marys Court21, St. Marys Court, Welwyn, AL6 9AU
Sold Jun 2009£159,000 | 2 Bed HouseSt. Marys Court7, St. Marys Court, Welwyn, AL6 9AU
Sold Apr 2009£117,500 | 2 Bed HouseSt. Marys Court13, St. Marys Court, Welwyn, AL6 9AU
Sold Feb 2008£275,000 | 4 Bed HouseSt. Marys Court24, St. Marys Court, Welwyn, AL6 9AU
Sold Jan 2008£245,000 | 3 Bed HouseSt. Marys Court27, St. Marys Court, Welwyn, AL6 9AU
Sold Nov 2007£265,000 | 4 Bed HouseSt. Marys Court18, St. Marys Court, Welwyn, AL6 9AU
Sold Jun 2007£176,000 | 2 Bed FlatSt. Marys Court34, St. Marys Court, Welwyn, AL6 9AU
Sold Apr 2007£229,950 | 3 Bed HouseSt. Marys Court14, St. Marys Court, Welwyn, AL6 9AU
Sold Jan 2007£135,000 | 2 Bed FlatSt. Marys Court36, St. Marys Court, Welwyn, AL6 9AU
Sold Dec 2006£237,500 | 4 Bed HouseSt. Marys Court30, St. Marys Court, Welwyn, AL6 9AU
Sold Dec 2006£135,000 | 2 Bed FlatSt. Marys Court4, St. Marys Court, Welwyn, AL6 9AU
Sold Jul 2006£240,000 | 4 Bed HouseSt. Marys Court19, St. Marys Court, Welwyn, AL6 9AU
Sold Dec 2005£139,950 | 2 Bed HouseSt. Marys Court12, St. Marys Court, Welwyn, AL6 9AU
Sold Jul 2004£215,000 | 3 Bed HouseSt. Marys Court11, St. Marys Court, Welwyn, AL6 9AU
Sold Apr 2004£124,500 | 2 Bed FlatSt. Marys Court1, St. Marys Court, Welwyn, AL6 9AU
Sold Sep 2002£205,000 | 4 Bed HouseSt. Marys Court18, St. Marys Court, Welwyn, AL6 9AU
Sold Apr 2002£160,000 | 3 Bed HouseSt. Marys Court11, St. Marys Court, Welwyn, AL6 9AU
Sold Feb 2002£110,000 | 2 Bed HouseSt. Marys Court12, St. Marys Court, Welwyn, AL6 9AU
Sold Sep 2001£150,000 | 3 Bed HouseSt. Marys Court14, St. Marys Court, Welwyn, AL6 9AU
Sold Aug 2001£81,995 | 2 Bed FlatSt. Marys Court3, St. Marys Court, Welwyn, AL6 9AU
Sold Jun 2001£98,000 | 2 Bed FlatSt. Marys Court2, St. Marys Court, Welwyn, AL6 9AU
Sold Dec 2000£170,000 | 3 Bed HouseSt. Marys Court16, St. Marys Court, Welwyn, AL6 9AU
Sold Nov 2000£120,000 | 3 Bed HouseSt. Marys Court8, St. Marys Court, Welwyn, AL6 9AU
Sold May 2000£150,000 | 2 Bed FlatSt. Marys Court1, St. Marys Court, Welwyn, AL6 9AU
Sold Jan 2000£153,000 | 4 Bed HouseSt. Marys Court24, St. Marys Court, Welwyn, AL6 9AU
Sold Nov 1999£89,000 | 2 Bed FlatSt. Marys Court15, St. Marys Court, Welwyn, AL6 9AU
Sold Oct 1999£137,500 | 4 Bed HouseSt. Marys Court24, St. Marys Court, Welwyn, AL6 9AU
Sold Nov 1998£130,000 | 3 Bed HouseSt. Marys Court32, St. Marys Court, Welwyn, AL6 9AU
Sold Aug 1998£64,000 | 2 Bed FlatSt. Marys Court36, St. Marys Court, Welwyn, AL6 9AU
Sold Jul 1998£130,000 | 3 Bed HouseSt. Marys Court23, St. Marys Court, Welwyn, AL6 9AU
Sold Aug 1997£82,000 | 3 Bed HouseSt. Marys Court11, St. Marys Court, Welwyn, AL6 9AU
Sold May 1997£78,000 | 2 Bed FlatSt. Marys Court34, St. Marys Court, Welwyn, AL6 9AU
Sold Feb 1997£79,950 | 3 Bed HouseSt. Marys Court8, St. Marys Court, Welwyn, AL6 9AU
Sold Nov 1996£108,000 | 3 Bed HouseSt. Marys Court32, St. Marys Court, Welwyn, AL6 9AU
Sold Sep 1996£67,000 | 2 Bed HouseSt. Marys Court7, St. Marys Court, Welwyn, AL6 9AU
Sold Jul 1996£84,000 | 3 Bed FlatSt. Marys Court26, St. Marys Court, Welwyn, AL6 9AU
Sold Sep 1995£56,000 | 2 Bed HouseSt. Marys Court7, St. Marys Court, Welwyn, AL6 9AU
Sold May 1995£100,000 | 4 Bed HouseSt. Marys Court9, St. Marys Court, Welwyn, AL6 9AU
Nearby Postcodesto AL6 9AU
AL6 9AU is the 480th largest and the 38th most expensive postcode out of the 487 postcodes in the AL6 area.
- 68 mAL6 9AS, Ottway Walk, Welwyn, AL6AL6 9AS7 Addresses
- 79 mAL6 9JD, London Road, Welwyn, AL6AL6 9JD7 Addresses
- 90 mAL6 9JB, London Road, Welwyn, AL6AL6 9JB6 Addresses
- 124 mAL6 9DL, Broomfield Road, Welwyn, AL6AL6 9DL24 Addresses
- 151 mAL6 9DW, Broomfield Road, Welwyn, AL6AL6 9DW24 Addresses
- 164 mAL6 9DS, Hobbs Hill, Welwyn, AL6AL6 9DS2 Addresses
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Property Typesin AL6 9AU
- 12 modern houses built after 1980
- 8 modern flats built after 1980
- 2 mid-century houses built between 1936 and 1979
- 10 houses of an unknown age
- 3 flats of an unknown age
- 3 other addresses of unknown type
- modern house (12)
- modern flat (8)
- mid-century house (2)
- house (10)
- flat (3)
- Unknown (3)
Energy Efficiencyof properties in AL6 9AU
- Energy Performance Certificate (EPC) surveys conducted for 22 properties.
- The dominant rating is C.
- A (0)
- E (0)
- B (0)
- F (0)
- C (11)
- G (0)
- D (11)
- No EPC (16)
Top 3 Most Expensive Saleson St. Marys Court
Schools Nearbyto AL6 9AU
The nearest primary school to AL6 9AU is Welwyn St Mary's Church of England Voluntary Aided Primary School which is 97 metres away.
- 97mWelwyn St Mary's Church of England Voluntary Aided Primary School
- 1.4kmHomerswood Primary and Nursery School
- 1.6kmHarwood Hill Junior Mixed Infant and Nursery School
The nearest secondary school is Monk's Walk School which is 847 metres away.
- 847mMonk's Walk School
- 3.7kmRidgeway Academy
- 4.1kmStanborough School
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Public Transport Nearbyto AL6 9AU
The closest station to AL6 9AU is Welwyn North station which is 1.6 kilometres away.
- 1.6kmWelwyn North
- 3.0kmWelwyn Garden City
- 4.8kmKnebworth
- 7.0kmHatfield (Herts)
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