UK Property Check · Printed on 8 November 2026ukpropertycheck.co.uk/postcode/al9
AL9Hatfield, England
House prices in AL9, Hatfield
Homes in AL9 sold for a median of £575,000 between September 2024 and August 2026, from 229 standard sales.
That is 32% above the £435,000 median for the Welwyn Hatfield council area, which holds 100% of AL9's postcodes.
Prices by property type
| Type | Sales | Median price | Middle half |
|---|---|---|---|
| Detached | 67 | £1,077,000 | £818,000 to £1,410,000 |
| Semi-detached | 68 | £550,000 | £479,000 to £746,000 |
| Terraced | 50 | £487,500 | £430,000 to £589,000 |
| Flats and maisonettes | 44 | £280,000 | £243,000 to £328,000 |
AL9 has too few sales linked to an energy certificate for its own price per m². Across the AL postcode area, whose median sale price is within 20% of AL9's, it was £5,930 per m² from 231 linked sales.
Semi-detached houses and detached houses sold in similar numbers here, at 30% and 29% of sales.
The gap between types is wide: detached houses sold for 3.8 times the median for flats, so compare an asking price with the same type of home.
41 sales in AL9, or 18%, were for £1 million or more, against 3% across England and Wales.
Compare an asking price
- Check a home for its floor area
- How much to offer, then how to put the offer in writing
- Work out stamp duty
Where prices are higher in AL9
Of the postcode sectors with at least 20 standard sales, prices were highest in AL9 7, around Brookmans Park and Welham Green, with a median of £640,000, and lowest in AL9 5, around Hatfield, at £408,000. Dashed outlines on the map show roughly where the two sectors are.
Each dot is a postcode in AL9 with at least 3 standard sales from September 2024 to August 2026, shaded by the median price of those sales. Select a dot for its median and a link to its sales, or use the list below the map.
Map loading
List the 22 postcodes on the map, dearest first
| Postcode | Median price | Standard sales |
|---|---|---|
| AL9 7BW | £1,495,000 | 4 |
| AL9 7RL | £1,350,000 | 3 |
| AL9 7QX | £1,190,000 | 3 |
| AL9 7UL | £850,000 | 3 |
| AL9 7UQ | £810,000 | 6 |
| AL9 7UH | £779,500 | 3 |
| AL9 7UW | £770,000 | 3 |
| AL9 7UG | £762,500 | 3 |
| AL9 5DQ | £740,000 | 7 |
| AL9 7LH | £510,000 | 3 |
| AL9 7LF | £505,000 | 4 |
| AL9 7LW | £489,000 | 4 |
| AL9 7PS | £475,000 | 3 |
| AL9 5AY | £441,500 | 4 |
| AL9 5DE | £392,500 | 4 |
| AL9 7NJ | £350,000 | 3 |
| AL9 5EN | £305,000 | 4 |
| AL9 5ET | £280,000 | 3 |
| AL9 5EX | £260,000 | 3 |
| AL9 5DB | £250,000 | 3 |
| AL9 5ES | £245,000 | 3 |
| AL9 5EG | £226,500 | 6 |
Prices over time
The median rose 18%, from £506,000 in 2016 to £595,000 in 2025, among the smallest tenth of rises across the 233 districts in the East of England.
Sales picked up in 2025: 132 standard sales in AL9, 18% more than the 112 in 2024.
Postcode districts in the Welwyn Hatfield council area
Median sale price of the 5 districts with at least 100 standard sales, September 2024 to August 2026, dearest first, each named by its post town. AL9 is the second most expensive.
- AL6 Welwyn£730,000
- AL9 Hatfield, this district£575,000
- AL8 Welwyn Garden City£516,000
- AL7 Welwyn Garden City£390,000
- AL10 Hatfield£370,000
Prices by council ward
Median price in the council wards that cover most of AL9, from the sales in AL9, September 2024 to August 2026, dearest first:
- Brookmans Park and Little Heath 95 sales£937,500
- Welham Green and Hatfield South 69 sales£510,000
- Hatfield East 68 sales£430,000
Recent sales
The 10 latest sales ran from £260,000 for a flat on Old Hertford Road to £2,820,000 for a detached house on Grubbs Lane.
The latest standard sales recorded in AL9. Sales take 2 weeks to 2 months to appear (how to find out what a house sold for). Select an address to check that home, or a postcode for every sale there.
- 38 The RydeSold for £610,000
- Westfield Grubbs LaneSold for £2,820,000
- Flat 1, Old Bank House, 31A Salisbury SquareSold for £315,000
- 11 BarfoldsSold for £485,000
- 30 Somers RoadSold for £442,500
- Flat 4, Newlands Old Hertford RoadSold for £260,000
- 18 Fore StreetSold for £645,000
- 51 The RydeSold for £775,500
- Flat 21, Blackhorse House, 36 Salisbury SquareSold for £279,995
- 40 Old Hertford RoadSold for £425,000
Living in AL9
Crime
48 crimes per 1,000 residents in the year to August 2026
Lower than 72 in 100 postcode districts. England and Wales: 84. The middle half of postcode districts are between 47 and 93.
The rate counts every crime recorded in an area against the people who live there, so shops, stations and nightlife push it up.
Gigabit broadband
Across its postcodes, an average of 66% of homes can get it
Lower than 81 in 100 postcode districts. England and Wales: 89%. The middle half of postcode districts are between 73% and 94%.
Radon
37% of postcodes are in a 1 km square that includes a radon Affected Area
Near the middle of all postcode districts.
In a radon Affected Area, UKHSA recommends a radon test. A UKradon report gives the result for an exact address.
Council tax
Band D is £2,452 a year in Welwyn Hatfield for 2026 to 2027
Near the middle of all council areas. England: £2,392. The middle half of council areas are between £2,323 and £2,526.
Band D includes every charge on the bill, such as police, fire and any county, parish or town council.
The free check gives these for a single home, with the nearest schools and road and rail noise (how we work them out).
Crime: data.police.uk, with Census 2021 population from the Office for National Statistics. Broadband: Ofcom Connected Nations, January 2026. Radon: the British Geological Survey and UKHSA. Council tax: the Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0.
Energy ratings of homes for sale
| Rating | Homes | Share |
|---|---|---|
| B | 21 | |
| C | 129 | |
| D | 112 | |
| E | 32 | |
| F | 8 | |
| G | 1 |
When the homes were built
| Built | Homes | Share |
|---|---|---|
| 27 | ||
| 32 | ||
| 50 | ||
| 68 | ||
| 61 | ||
| 14 | ||
| 24 | ||
| 27 |
About these figures
The figures come from 229 standard sales in AL9, the latest on 28 August 2026 (what counts as a standard sale). Of these, 19% were flats.
Updated 15 October 2026 with sales recorded to August 2026. Next update due in late November 2026.
Contains HM Land Registry data © Crown copyright and database right 2026. Energy certificate data from the Ministry of Housing, Communities and Local Government. Both are licensed under the Open Government Licence v3.0.