House prices in AL9
Median value — November 2026
£639,000
Modelled from 3,191 properties Stede tracks in AL9
Market snapshot
£639,000
Median value
£776,867
Average value
97
Sales in the last 12 months
+2%
Change over the past year
Value over time
- Modelled value
- Projected
Modelled month by month from the UK House Price Index, averaged across every property type Stede tracks here.
View as a table
| Year | Modelled value |
|---|---|
| 2000 | £200,631 |
| 2001 | £217,753 |
| 2002 | £282,872 |
| 2003 | £303,754 |
| 2004 | £326,119 |
| 2005 | £328,069 |
| 2006 | £344,028 |
| 2007 | £373,247 |
| 2008 | £336,433 |
| 2009 | £355,949 |
| 2010 | £370,586 |
| 2011 | £368,738 |
| 2012 | £381,489 |
| 2013 | £401,298 |
| 2014 | £447,936 |
| 2015 | £502,597 |
| 2016 | £563,961 |
| 2017 | £574,812 |
| 2018 | £583,189 |
| 2019 | £572,219 |
| 2020 | £600,225 |
| 2021 | £626,933 |
| 2022 | £654,505 |
| 2023 | £615,356 |
| 2024 | £623,227 |
| 2025 | £621,084 |
| 2026 | £639,000 |
Property types
- Detached house34%£1,119,500
- Semi-detached house24%£671,000
- Mid-terrace house23%£470,000
- Flat / Maisonette18%£262,000
- Property0%£733,500
Recent sales
- 38 The Ryde, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 5DL£610,000 · 2026£609,000
- Westfield, Grubbs Lane, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 6EF£2,820,000 · 2026£3,723,000
- 79 Holloways Lane, Welham Green, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7NU£650,000 · 2026£569,000
- Old Bank House, 31A, Flat 1, Salisbury Square, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 5JD£315,000 · 2026£313,000
- 11 Barfolds, Welham Green, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7NG£485,000 · 2026£496,000
- 30 Somers Road, Welham Green, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7PX£442,500 · 2026£484,000
- Newlands, Flat 4, Old Hertford Road, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 5EX£260,000 · 2026£263,000
- 18 Fore Street, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 5AH£645,000 · 2026£662,000
Addresses in AL9
- La Bella Vista, Bluebridge Road, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7SX£825,000 · 2021—
- Lakeside Manor, West End, Essendon, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 6AZ£2,450,000 · 2003£5,174,000
- Lakeside Manor, West End Lane, Essendon, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 6AZ£4,650,000 · 2021£6,932,000
- Leaside House, Mill Green, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 5NU£2,000,000 · 2022£2,126,000
- Lime Wood, High Road, Essendon, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 6HP£2,225,000 · 2022£2,268,000
- Limewood House, 61A, Calder Avenue, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7AJ£1,475,000 · 2017£1,816,000
- Little Acres, Foxes Lane, Welham Green, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7BA£1,750,000 · 2024£1,922,000
- Little Bedwell, Cucumber Lane, Essendon, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 6JA£2,075,000 · 2025£2,196,000
- Little Elephant, High Road, Essendon, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 6HR£1,470,000 · 2014£1,872,000
- Little House, West End Lane, Essendon, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 6AU£392,500 · 2018£470,000
- Littlestowe, West End Lane, Essendon, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 6AU£159,000 · 1996£864,000
- London Lodge, Bedwell Park, Essendon, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 6HY£450,000 · 2011£852,000
- Longridge, Great North Road, North Mymms, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 6DA£830,000 · 2022£876,000
- Lower Farm, 2, Bell Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7AY£2,000,000 · 2025—
- Lydia Court, Flat 1, Lydia Mews, Welham Green, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7QA£166,000 · 2016£209,000
- Lydia Court, Flat 2, Lydia Mews, Welham Green, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7QA£215,000 · 2018£194,000
- Lydia Court, Flat 3, Lydia Mews, Welham Green, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7QA£139,950 · 2009£264,000
- Lydia Court, Flat 4, Lydia Mews, Welham Green, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7QA£145,000 · 2012£258,000
- Lydia Court, Flat 5, Lydia Mews, Welham Green, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7QA£155,000 · 2013£259,000
- Lydia Court, Flat 6, Lydia Mews, Welham Green, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7QA£173,000 · 2019£219,000
- Lydia Court, Flat 7, Lydia Mews, Welham Green, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7QA£222,620 · 2019£201,000
- Lydia Court, Flat 8, Lydia Mews, Welham Green, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7QA£154,000 · 2014£253,000
- Lyncroft, Holloways Lane, Welham Green, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7NR£408,500 · 2007£858,000
- Mansion House, North Mymms Park, North Mymms, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7TR£8,640,000 · 2018—
- Maranta House, 14, East View, Essendon, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 6HJ£570,000 · 2017£706,000
- Marshmoor Cottages, 2, Great North Road, North Mymms, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 5SD£540,000 · 2015£691,000
- Marshmoor Cottages, 3, Great North Road, North Mymms, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 5SD£357,500 · 2004£708,000
- Marshmoor Cottages, 4, Great North Road, North Mymms, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 5SD£98,000 · 1997£608,000
- Marshmoor, Great North Road, North Mymms, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 5SD£440,000 · 2001£1,024,000
- Marshmoor House, 1, Marshmoor Lane, Welham Green, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7HX£165,000 · 2010£310,000
- Marshmoor House, 2, Marshmoor Lane, Welham Green, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7HX£249,999 · 2017£279,000
- Marshmoor Works, Great North Road, North Mymms, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 5SD£1,250,000 · 2020—
- Martin Cottage, High Road, Essendon, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 6HW£343,000 · 2000£1,041,000
- Meadside, Great North Road, North Mymms, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 6DA£1,170,000 · 2022£1,192,000
- Mill Cottages, 5, Mill Green, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 5PB£442,500 · 2025£486,000
- Mill Green Lodge, 1, Mill Green, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 5PA£318,000 · 2015£527,000
- Mill Green Lodge, 2, Mill Green, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 5PA£415,000 · 2018£524,000
- Millwards House, Great North Road, North Mymms, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 5SD£2,070,830 · 2024—
- Mulberry House, Essendon Place, Essendon, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 6GZ£880,000 · 2013£1,346,000
- Mulberry House, Wildhill Road, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 6DD£2,280,000 · 2005£3,544,000
- Mymwood House, Shepherds Way, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 6NN£1,800,000 · 2003£3,078,000
- Newlands, Flat 10, Old Hertford Road, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 5EX£124,999 · 2006£196,000
- Newlands, Flat 11, Old Hertford Road, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 5EX£92,000 · 2001£219,000
- Newlands, Flat 12, Old Hertford Road, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 5EX£205,000 · 2025£211,000
- Newlands, Flat 13, Old Hertford Road, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 5EX£287,500 · 2022£273,000
- Newlands, Flat 14, Old Hertford Road, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 5EX£73,500 · 1999£249,000
- Newlands, Flat 16, Old Hertford Road, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 5EX£255,000 · 2025£228,000
- Newlands, Flat 18, Old Hertford Road, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 5EX£130,000 · 2018£123,000
- Newlands, Flat 19, Old Hertford Road, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 5EX£187,500 · 2024£196,000
- Newlands, Flat 20, Old Hertford Road, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 5EX£95,000 · 2001£238,000
About this area
AL9 is a UK postcode district. Stede can model 3,191 properties there, from HM Land Registry Price Paid Data and the UK House Price Index.
As of November 2026, AL9 has a median estimated value of £639,000 and an average of £776,867.
Modelled values in AL9 are +2% over the past year and +3% over five years.
The market here is mostly detached houses, which make up 34% of the properties Stede tracks in AL9.
97 sales were recorded in AL9 over the past 12 months.
Common questions
What is the average house price in AL9?
As of November 2026, the average estimated value is £776,867 and the median is £639,000 across 3,191 properties Stede tracks in AL9. This is not a formal market valuation.
Are house prices in AL9 going up or down?
Modelled values in AL9 are +2% over the past year and +3% over five years, based on the UK House Price Index.
What types of property are in AL9?
34% of the properties Stede tracks in AL9 are detached houses. semi-detached houses are next most common, at 24%.
How many properties are in AL9?
Stede can model 3,191 properties in AL9, with 97 recorded sales in the past 12 months.
How does Stede calculate house prices for AL9?
These figures are modelled from HM Land Registry Price Paid Data and the UK House Price Index — the same sources used for every individual property valuation on Stede. Full detail is on the methodology page.
How we calculate this
These figures are modelled from HM Land Registry Price Paid Data and the UK House Price Index — the same sources behind every individual property valuation on Stede.
Read the full methodology and data sources →