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VAT No. GB 287 0845 68
Registered Address: 2 Leman St, London E1 8FA
AL9 7DYHouse Prices / East of England, Welwyn Hatfield, Dellsome Lane
Last updated May 2026
Key Postcode Insights
AL9 7DY is a residential postcode situated on Dellsome Lane, Welham Green, North Mymms, Hatfield, AL9 with 27 addresses.
It ranks as the 351st largest and 8th most expensive of the 406 postcodes in the AL9 area. The dominant property type is a modern flat built after 1980.
The postcode contains a total of 27 properties: 6 houses and 21 flats.
27
Properties
- Houses
- Flats
Key Postcode Insights
AL9 7DY is a residential postcode situated on Dellsome Lane, Welham Green, North Mymms, Hatfield, AL9 with 27 addresses.
It ranks as the 351st largest and 8th most expensive of the 406 postcodes in the AL9 area. The dominant property type is a modern flat built after 1980.
The postcode contains a total of 27 properties: 6 houses and 21 flats.
27
Properties
- Houses
- Flats
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House Pricesin AL9 7DY
Sale prices range from £103,499 for 1 bedroom leasehold flats (233 ft2) to £607,147 for 3 bedroom freehold houses with a garden (1,216 ft2) .
Monthly rental prices range from £619 pcm for 1 bed flats to £2,827 pcm for 3 bed houses.
The gross rental yield is between 5.6% and 7.3%.
The average value per square foot is £421.
Average Sale Value
£267,649
Average Rental Value
£1,486 pcm
Average Rental Yield
6.7% /year
Average Value Per Sqft
£421 /ft2
Sales Market Trendsin AL9 7DY
The last sale in AL9 7DY sold for £235,000 on 12th July 2024. Since then prices are up an average of 1.7%.
The current average value in the postcode is £267,649.
The AL9 7DY Sales Market has increased by 3.8% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| April 2026 | -0.5% | £267,649 |
| April 2025 | 2.7% | £269,063 |
| April 2024 | -5.1% | £262,004 |
| April 2023 | 0.7% | £276,171 |
| April 2022 | 9.6% | £274,370 |
| April 2021 | 0.1% | £250,357 |
| April 2020 | 6.5% | £250,021 |
| April 2019 | -2.1% | £234,852 |
| April 2018 | -8.9% | £239,920 |
| April 2017 | 2.2% | £263,462 |
| April 2016 | 15.9% | £257,860 |
| April 2015 | 5.7% | £222,402 |
| April 2014 | 0.8% | £210,410 |
| April 2013 | -0.8% | £208,650 |
| April 2012 | 17.6% | £210,251 |
| April 2011 | -5.7% | £178,828 |
| April 2010 | 8.2% | £189,684 |
| April 2009 | -1.7% | £175,381 |
| April 2008 | 6.1% | £178,355 |
| April 2007 | 0% | £168,149 |
Rental Market Trendsin AL9 7DY
The current average rental value in the postcode is £1,486.
The AL9 7DY Rental Market has increased by 33.2% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| April 2026 | 3.2% | £1,486pcm |
| April 2025 | 3.2% | £1,439pcm |
| April 2024 | 7.7% | £1,394pcm |
| April 2023 | 6.8% | £1,294pcm |
| April 2022 | -0.2% | £1,212pcm |
| April 2021 | 5.5% | £1,214pcm |
| April 2020 | 1.8% | £1,150pcm |
| April 2019 | 1.2% | £1,130pcm |
| April 2018 | -1% | £1,116pcm |
| April 2017 | 1.1% | £1,128pcm |
| April 2016 | 3.9% | £1,115pcm |
| April 2015 | 6% | £1,073pcm |
| April 2014 | 2.8% | £1,013pcm |
| April 2013 | 1.7% | £985pcm |
| April 2012 | 3.9% | £969pcm |
| April 2011 | 8.4% | £932pcm |
| April 2010 | -3.8% | £860pcm |
| April 2009 | 4.3% | £894pcm |
| April 2008 | -13.6% | £857pcm |
| April 2007 | 0% | £993pcm |
Properties and Buildingsin AL9 7DY, Dellsome Lane, Welham Green, North Mymms, Hatfield, AL9
- Caxton Lodge, Dellsome Lane, Welham Green, North Mymms, Hatfield, AL9 Modern building 8 units
- 5, Dellsome Lane, Hatfield, AL9 7DY
- 7, Dellsome Lane, Hatfield, AL9 7DY
- 9, Dellsome Lane, Hatfield, AL9 7DY2 bed mid-century flat
- 15, Dellsome Lane, Hatfield, AL9 7DY
- 17, Dellsome Lane, Hatfield, AL9 7DY3 bed early-century flat
- 23, Dellsome Lane, Hatfield, AL9 7DY2 bed early-century flat
- 29, Dellsome Lane, Hatfield, AL9 7DY2 bed early-century flat
- 33, Dellsome Lane, Hatfield, AL9 7DY2 bed mid-century flat
- 37, Dellsome Lane, Hatfield, AL9 7DY1 bed flat
- 41, Dellsome Lane, Hatfield, AL9 7DY
- 45, Dellsome Lane, Hatfield, AL9 7DY2 bed mid-century flat
- 49, Dellsome Lane, Hatfield, AL9 7DY2 bed mid-century flat
- 53, Dellsome Lane, Hatfield, AL9 7DY1 bed flat
- 57, Dellsome Lane, Hatfield, AL9 7DY2 bed mid-century flat
- 61, Dellsome Lane, Hatfield, AL9 7DY3 bed early-century house
- 63, Dellsome Lane, Hatfield, AL9 7DY
- 65, Dellsome Lane, Hatfield, AL9 7DY3 bed mid-century house
- 67, Dellsome Lane, Hatfield, AL9 7DY
- 69, Dellsome Lane, Hatfield, AL9 7DY3 bed early-century house
Sales Historyin AL9 7DY
The last sale was on 12th July 2024 for £235,000 and since then the market in the area has increased by 1.7%. The postcode has had a total of 41 sales since 1995.
AL9 7DY has seen 6 sales in the last three years and no sales in the last twelve months.
Sold Jul 2024£235,000 | 2 Bed FlatCaxton Lodge 3, Dellsome LaneFlat 6, Caxton Lodge 3, Dellsome Lane, Hatfield, AL9 7DY
Sold Nov 2023£240,000 | 2 Bed FlatCaxton Lodge 3, Dellsome LaneFlat 3, Caxton Lodge 3, Dellsome Lane, Hatfield, AL9 7DY
Sold Nov 2023£180,000 | 2 Bed FlatDellsome Lane57, Dellsome Lane, Hatfield, AL9 7DY
Sold Oct 2023£245,000 | 2 Bed FlatCaxton Lodge 3, Dellsome LaneFlat 4, Caxton Lodge 3, Dellsome Lane, Hatfield, AL9 7DY
Sold May 2023£215,000 | 2 Bed FlatCaxton Lodge 3, Dellsome LaneFlat 1, Caxton Lodge 3, Dellsome Lane, Hatfield, AL9 7DY
Sold Mar 2023£847,160 | 2 Bed FlatDellsome Lane23, Dellsome Lane, Hatfield, AL9 7DY
Sold Dec 2022£260,000 | 2 Bed FlatCaxton Lodge 3, Dellsome LaneFlat 7, Caxton Lodge 3, Dellsome Lane, Hatfield, AL9 7DY
Sold Nov 2022£650,000 | 3 Bed HouseDellsome Lane65, Dellsome Lane, Hatfield, AL9 7DY
Sold Oct 2021£250,000 | 3 Bed FlatDellsome Lane17, Dellsome Lane, Hatfield, AL9 7DY
Sold Sep 2021£180,000 | 2 Bed FlatDellsome Lane57, Dellsome Lane, Hatfield, AL9 7DY
Sold May 2021£250,000 | 2 Bed FlatDellsome Lane33, Dellsome Lane, Hatfield, AL9 7DY
Sold May 2021£203,000 | 2 Bed FlatCaxton Lodge 3, Dellsome LaneFlat 1, Caxton Lodge 3, Dellsome Lane, Hatfield, AL9 7DY
Sold Mar 2019£217,500 | 2 Bed FlatCaxton Lodge 3, Dellsome LaneFlat 7, Caxton Lodge 3, Dellsome Lane, Hatfield, AL9 7DY
Sold Mar 2018£195,000 | 2 Bed FlatCaxton Lodge 3, Dellsome LaneFlat 1, Caxton Lodge 3, Dellsome Lane, Hatfield, AL9 7DY
Sold Mar 2018£241,000 | 2 Bed FlatCaxton Lodge 3, Dellsome LaneFlat 8, Caxton Lodge 3, Dellsome Lane, Hatfield, AL9 7DY
Sold Sep 2016£20,000 | 2 Bed FlatCaxton Lodge 3, Dellsome LaneFlat 1, Caxton Lodge 3, Dellsome Lane, Hatfield, AL9 7DY
Sold Jul 2016£460,000 | 3 Bed HouseDellsome Lane61, Dellsome Lane, Hatfield, AL9 7DY
Sold Nov 2015£220,000 | 2 Bed FlatCaxton Lodge 3, Dellsome LaneFlat 5, Caxton Lodge 3, Dellsome Lane, Hatfield, AL9 7DY
Sold May 2015£195,000 | 2 Bed FlatCaxton Lodge 3, Dellsome LaneFlat 4, Caxton Lodge 3, Dellsome Lane, Hatfield, AL9 7DY
Sold Apr 2015£195,000 | 2 Bed FlatCaxton Lodge 3, Dellsome LaneFlat 7, Caxton Lodge 3, Dellsome Lane, Hatfield, AL9 7DY
Sold Apr 2015£165,000 | 2 Bed FlatCaxton Lodge 3, Dellsome LaneFlat 2, Caxton Lodge 3, Dellsome Lane, Hatfield, AL9 7DY
Sold Apr 2015£165,000 | 2 Bed FlatCaxton Lodge 3, Dellsome LaneFlat 1, Caxton Lodge 3, Dellsome Lane, Hatfield, AL9 7DY
Sold Mar 2015£195,000 | 2 Bed FlatCaxton Lodge 3, Dellsome LaneFlat 3, Caxton Lodge 3, Dellsome Lane, Hatfield, AL9 7DY
Sold Jan 2015£195,000 | 2 Bed FlatCaxton Lodge 3, Dellsome LaneFlat 8, Caxton Lodge 3, Dellsome Lane, Hatfield, AL9 7DY
Sold Sep 2011£127,000 | 1 Bed FlatDellsome Lane53, Dellsome Lane, Hatfield, AL9 7DY
Sold Jun 2010£100,000 | 1 Bed FlatDellsome Lane37, Dellsome Lane, Hatfield, AL9 7DY
Sold Sep 2009£170,000 | 2 Bed FlatDellsome Lane9, Dellsome Lane, Hatfield, AL9 7DY
Sold Jun 2007£275,000 | 3 Bed HouseDellsome Lane61, Dellsome Lane, Hatfield, AL9 7DY
Sold Apr 2007£138,000 | 2 Bed FlatDellsome Lane57, Dellsome Lane, Hatfield, AL9 7DY
Sold Mar 2007£390,000 | 2 Bed FlatCaxton Lodge 3, Dellsome LaneFlat 1, Caxton Lodge 3, Dellsome Lane, Hatfield, AL9 7DY
Sold Mar 2006£149,000 | 2 Bed FlatDellsome Lane49, Dellsome Lane, Hatfield, AL9 7DY
Sold Feb 2006£245,000 | 3 Bed HouseDellsome Lane67, Dellsome Lane, Hatfield, AL9 7DY
Sold Nov 2002£125,000 | 2 Bed FlatDellsome Lane9, Dellsome Lane, Hatfield, AL9 7DY
Sold Jul 2002£125,000 | 3 Bed FlatDellsome Lane17, Dellsome Lane, Hatfield, AL9 7DY
Sold Apr 2001£102,500 | 2 Bed FlatDellsome Lane49, Dellsome Lane, Hatfield, AL9 7DY
Sold Mar 1999£73,000 | 2 Bed FlatDellsome Lane9, Dellsome Lane, Hatfield, AL9 7DY
Sold Nov 1998£54,000 | 2 Bed FlatDellsome Lane49, Dellsome Lane, Hatfield, AL9 7DY
Sold Oct 1998£60,000 | 3 Bed FlatDellsome Lane15, Dellsome Lane, Hatfield, AL9 7DY
Sold Jul 1997£59,995 | 3 Bed FlatDellsome Lane17, Dellsome Lane, Hatfield, AL9 7DY
Sold Apr 1996£50,500 | 2 Bed FlatDellsome Lane7, Dellsome Lane, Hatfield, AL9 7DY
Sold Nov 1995£25,000 | 2 Bed FlatDellsome Lane7, Dellsome Lane, Hatfield, AL9 7DY
Nearby Postcodesto AL9 7DY
AL9 7DY is the 351st largest and the 8th most expensive postcode out of the 406 postcodes in the AL9 area.
- 45 mAL9 7NF, Dellsome Lane, Welham Green, North Mymms, Hatfield, AL9AL9 7NF35 Addresses
- 60 mAL9 7DU, Fourways Market, Welham Green, North Mymms, Hatfield, AL9AL9 7DU8 Addresses
- 62 mAL9 7DG, Grove Place, Welham Green, North Mymms, Hatfield, AL9AL9 7DG9 Addresses
- 76 mAL9 7FA, Old Farmhouse Mews, Welham Green, North Mymms, Hatfield, AL9AL9 7FA9 Addresses
- 81 mAL9 7ED, Greville Close, Welham Green, North Mymms, Hatfield, AL9AL9 7ED32 Addresses
- 84 mAL9 7DF, Dixons Hill Road, Welham Green, North Mymms, Hatfield, AL9AL9 7DF10 Addresses
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Property Typesin AL9 7DY
- 8 modern flats built after 1980
- 1 mid-century house built between 1936 and 1979
- 5 mid-century flats built between 1936 and 1979
- 2 flats of an unknown age
- 2 early-century houses built between 1912 and 1935
- 3 early-century flats built between 1912 and 1935
- 6 other addresses of unknown type
- modern flat (8)
- mid-century house (1)
- mid-century flat (5)
- flat (2)
- early-century house (2)
- early-century flat (3)
- Unknown (6)
Energy Efficiencyof properties in AL9 7DY
- Energy Performance Certificate (EPC) surveys conducted for 19 properties.
- The dominant rating is D.
- A (0)
- E (0)
- B (0)
- F (1)
- C (7)
- G (0)
- D (11)
- No EPC (8)
Schools Nearbyto AL9 7DY
The nearest primary school to AL9 7DY is St Mary's Church of England VA Primary School, Welham Green which is 317 metres away.
- 317mSt 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 2.5 kilometres away.
- 2.5kmChancellor's School
- 2.7kmBishop's Hatfield Girls' School
- 2.8kmOnslow St Audrey's School
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Public Transport Nearbyto AL9 7DY
The closest station to AL9 7DY is Welham Green station which is 600 metres away.
- 573mWelham Green
- 1.8kmBrookmans Park
- 3.3kmHatfield (Herts)
- 4.5kmPotters Bar
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