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AL9 7DZHouse Prices / East of England, Welwyn Hatfield, Knolles Crescent
Last updated May 2026
Key Postcode Insights
AL9 7DZ is a residential postcode situated on Knolles Crescent, Welham Green, North Mymms, Hatfield, AL9 with 27 addresses.
It ranks as the 352nd largest and 115th most expensive of the 406 postcodes in the AL9 area. The dominant property type is a mid-century house built between 1936 and 1979.
The postcode contains a total of 27 properties: 27 houses.
27
Properties
- Houses
Key Postcode Insights
AL9 7DZ is a residential postcode situated on Knolles Crescent, Welham Green, North Mymms, Hatfield, AL9 with 27 addresses.
It ranks as the 352nd largest and 115th most expensive of the 406 postcodes in the AL9 area. The dominant property type is a mid-century house built between 1936 and 1979.
The postcode contains a total of 27 properties: 27 houses.
27
Properties
- Houses
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House Pricesin AL9 7DZ
Sale prices range from £294,360 for 2 bedroom freehold houses with a garden (462 ft2) to £557,410 for 4 bedroom freehold houses with a garden (1,431 ft2) .
Monthly rental prices range from £1,616 pcm for 2 bed houses to £2,600 pcm for 4 bed houses.
The gross rental yield is between 5.6% and 6.7%.
The average value per square foot is £450.
Average Sale Value
£444,854
Average Rental Value
£2,290 pcm
Average Rental Yield
6.2% /year
Average Value Per Sqft
£450 /ft2
Sales Market Trendsin AL9 7DZ
The last sale in AL9 7DZ sold for £440,000 on 19th June 2024. Since then prices are up an average of 3.8%.
The current average value in the postcode is £444,854.
The AL9 7DZ Sales Market has increased by 17.0% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| April 2026 | 0.3% | £444,854 |
| April 2025 | 3.9% | £443,632 |
| April 2024 | -6.3% | £427,057 |
| April 2023 | 2.6% | £455,561 |
| April 2022 | 12.1% | £444,068 |
| April 2021 | 2.3% | £396,259 |
| April 2020 | 5.8% | £387,256 |
| April 2019 | -0.8% | £365,980 |
| April 2018 | -7.1% | £368,990 |
| April 2017 | 4.4% | £397,032 |
| April 2016 | 16.3% | £380,358 |
| April 2015 | 5.5% | £326,997 |
| April 2014 | 2.7% | £310,068 |
| April 2013 | 0.8% | £301,839 |
| April 2012 | 18.6% | £299,570 |
| April 2011 | -4.8% | £252,553 |
| April 2010 | 11.3% | £265,309 |
| April 2009 | -3% | £238,422 |
| April 2008 | 5.5% | £245,795 |
| April 2007 | 0% | £233,048 |
Rental Market Trendsin AL9 7DZ
The current average rental value in the postcode is £2,290.
The AL9 7DZ Rental Market has increased by 50.1% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| April 2026 | 4% | £2,290pcm |
| April 2025 | 4.4% | £2,201pcm |
| April 2024 | 6.5% | £2,108pcm |
| April 2023 | 8.9% | £1,980pcm |
| April 2022 | 2.1% | £1,819pcm |
| April 2021 | 7.8% | £1,782pcm |
| April 2020 | 1.2% | £1,652pcm |
| April 2019 | 2.6% | £1,633pcm |
| April 2018 | 1% | £1,592pcm |
| April 2017 | 3.3% | £1,576pcm |
| April 2016 | 4.2% | £1,526pcm |
| April 2015 | 5.7% | £1,464pcm |
| April 2014 | 4.7% | £1,385pcm |
| April 2013 | 3.3% | £1,322pcm |
| April 2012 | 4.8% | £1,280pcm |
| April 2011 | 9.4% | £1,221pcm |
| April 2010 | -1% | £1,116pcm |
| April 2009 | 2.9% | £1,127pcm |
| April 2008 | -14.1% | £1,096pcm |
| April 2007 | 0% | £1,276pcm |
Explore Propertiesin AL9 7DZ, Knolles Crescent, Welham Green, North Mymms, Hatfield, AL9
- 1, Knolles Crescent, Hatfield, AL9 7DZ3 bed mid-century house
- 3, Knolles Crescent, Hatfield, AL9 7DZ
- 5, Knolles Crescent, Hatfield, AL9 7DZ
- 7, Knolles Crescent, Hatfield, AL9 7DZ3 bed mid-century house
- 9, Knolles Crescent, Hatfield, AL9 7DZ3 bed mid-century house
- 11, Knolles Crescent, Hatfield, AL9 7DZ
- 13, Knolles Crescent, Hatfield, AL9 7DZ
- 15, Knolles Crescent, Hatfield, AL9 7DZ3 bed mid-century house
- 17, Knolles Crescent, Hatfield, AL9 7DZ3 bed mid-century house
- 19, Knolles Crescent, Hatfield, AL9 7DZ
- 21, Knolles Crescent, Hatfield, AL9 7DZ3 bed mid-century house
- 23, Knolles Crescent, Hatfield, AL9 7DZ3 bed mid-century house
- 25, Knolles Crescent, Hatfield, AL9 7DZ
- 27, Knolles Crescent, Hatfield, AL9 7DZ3 bed mid-century house
- 29, Knolles Crescent, Hatfield, AL9 7DZ3 bed mid-century house
- 31, Knolles Crescent, Hatfield, AL9 7DZ3 bed mid-century house
- 33, Knolles Crescent, Hatfield, AL9 7DZ3 bed mid-century house
- 35, Knolles Crescent, Hatfield, AL9 7DZ
- 37, Knolles Crescent, Hatfield, AL9 7DZ4 bed mid-century house
- 39, Knolles Crescent, Hatfield, AL9 7DZ
- 41, Knolles Crescent, Hatfield, AL9 7DZ
- 43, Knolles Crescent, Hatfield, AL9 7DZ3 bed mid-century house
- 45, Knolles Crescent, Hatfield, AL9 7DZ2 bed mid-century house
- 47, Knolles Crescent, Hatfield, AL9 7DZ3 bed mid-century house
- 49, Knolles Crescent, Hatfield, AL9 7DZ3 bed mid-century house
- 51, Knolles Crescent, Hatfield, AL9 7DZ2 bed mid-century house
- 53, Knolles Crescent, Hatfield, AL9 7DZ3 bed mid-century house
Sales Historyin AL9 7DZ
The last sale was on 19th June 2024 for £440,000 and since then the market in the area has increased by 3.8%. The postcode has had a total of 16 sales since 1995.
AL9 7DZ has seen 1 sale in the last three years and no sales in the last twelve months.
Sold Jun 2024£440,000 | 3 Bed HouseKnolles Crescent17, Knolles Crescent, Hatfield, AL9 7DZ
Sold Jun 2021£445,000 | 3 Bed HouseKnolles Crescent9, Knolles Crescent, Hatfield, AL9 7DZ
Sold Mar 2021£448,000 | 3 Bed HouseKnolles Crescent7, Knolles Crescent, Hatfield, AL9 7DZ
Sold Dec 2018£359,950 | 3 Bed HouseKnolles Crescent33, Knolles Crescent, Hatfield, AL9 7DZ
Sold Aug 2018£215,000 | 4 Bed HouseKnolles Crescent37, Knolles Crescent, Hatfield, AL9 7DZ
Sold Apr 2010£225,000 | 3 Bed HouseKnolles Crescent29, Knolles Crescent, Hatfield, AL9 7DZ
Sold Mar 2006£227,950 | 3 Bed HouseKnolles Crescent11, Knolles Crescent, Hatfield, AL9 7DZ
Sold Jun 2005£240,000 | 3 Bed HouseKnolles Crescent13, Knolles Crescent, Hatfield, AL9 7DZ
Sold Aug 2004£212,000 | 3 Bed HouseKnolles Crescent25, Knolles Crescent, Hatfield, AL9 7DZ
Sold Nov 2003£230,000 | 3 Bed HouseKnolles Crescent3, Knolles Crescent, Hatfield, AL9 7DZ
Sold Sep 2001£165,000 | 4 Bed HouseKnolles Crescent37, Knolles Crescent, Hatfield, AL9 7DZ
Sold Nov 2000£128,000 | 3 Bed HouseKnolles Crescent25, Knolles Crescent, Hatfield, AL9 7DZ
Sold Feb 2000£129,995 | 3 Bed HouseKnolles Crescent17, Knolles Crescent, Hatfield, AL9 7DZ
Sold Jan 1999£107,500 | 3 Bed HouseKnolles Crescent25, Knolles Crescent, Hatfield, AL9 7DZ
Sold Nov 1996£77,000 | 3 Bed HouseKnolles Crescent19, Knolles Crescent, Hatfield, AL9 7DZ
Sold Jul 1995£73,000 | 4 Bed HouseKnolles Crescent37, Knolles Crescent, Hatfield, AL9 7DZ
Nearby Postcodesto AL9 7DZ
AL9 7DZ is the 352nd largest and the 115th most expensive postcode out of the 406 postcodes in the AL9 area.
- 62 mAL9 7EA, Knolles Crescent, Welham Green, North Mymms, Hatfield, AL9AL9 7EA31 Addresses
- 65 mAL9 7ED, Greville Close, Welham Green, North Mymms, Hatfield, AL9AL9 7ED32 Addresses
- 98 mAL9 7DW, Dixons Hill Road, Welham Green, North Mymms, Hatfield, AL9AL9 7DW10 Addresses
- 113 mAL9 7DS, Alderman Close, Welham Green, North Mymms, Hatfield, AL9AL9 7DS27 Addresses
- 125 mAL9 7EB, Gould Close, Welham Green, North Mymms, Hatfield, AL9AL9 7EB38 Addresses
- 132 mAL9 7EE, Dixons Hill Road, Welham Green, North Mymms, Hatfield, AL9AL9 7EE3 Addresses
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Property Typesin AL9 7DZ
- 18 mid-century houses built between 1936 and 1979
- 9 other addresses of unknown type
- mid-century house (18)
- Unknown (9)
Energy Efficiencyof properties in AL9 7DZ
- Energy Performance Certificate (EPC) surveys conducted for 18 properties.
- The dominant rating is C.
- A (0)
- E (0)
- B (0)
- F (0)
- C (13)
- G (0)
- D (5)
- No EPC (9)
Top 3 Most Expensive Saleson Knolles Crescent
Schools Nearbyto AL9 7DZ
The nearest primary school to AL9 7DZ is St Mary's Church of England VA Primary School, Welham Green which is 266 metres away.
- 266mSt Mary's Church of England VA Primary School, Welham Green
- 1.6kmBrookmans Park Primary School
- 1.7kmDe Havilland Primary School
The nearest secondary school is Chancellor's School which is 2.6 kilometres away.
- 2.6kmChancellor's School
- 2.8kmBishop's Hatfield Girls' School
- 2.9kmOnslow St Audrey's School
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Public Transport Nearbyto AL9 7DZ
The closest station to AL9 7DZ is Welham Green station which is 700 metres away.
- 727mWelham Green
- 1.8kmBrookmans Park
- 3.4kmHatfield (Herts)
- 4.5kmPotters Bar
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