AL4 9HJ postcode in Welwyn Hatfield, Hertfordshire

AL4 9HJ is a postcode in Welwyn Hatfield, in the Hatfield Villages ward. It is in the Welwyn Hatfield parliamentary constituency and the Hertfordshire police force area, and has been in use since January 1980.

Flooding Not on the at-risk list The Environment Agency lists no home or business here in an area at risk from rivers or the sea Gigabit broadband 64% of homes and businesses at AL4 9HJ can get it Across Welwyn Hatfield: 88% Typical price £525,000 Homes sold in AL4 9, last 12 months. ▼ 19.9% on the year before Nearest station Hatfield (Herts) 4.2 km in a straight line

Where AL4 9HJ is, and what is near it

Map of AL4 9HJ and what is near it Map of AL4 9HJ: its centre point, with the 286 other postcodes in the AL4 9 sector, 4 schools (2 beyond the edge, shown by arrows), 2 railway stations (2 beyond the edge, shown by arrows) and 3 GP practices (3 beyond the edge, shown by arrows). North is up; the scale bar is 500 m. AL4 9AH: also in AL4 9AL4 9AJ: also in AL4 9AL4 9AQ: also in AL4 9AL4 9BA: also in AL4 9AL4 9BB: also in AL4 9AL4 9BD: also in AL4 9AL4 9BG: also in AL4 9AL4 9BJ: also in AL4 9AL4 9BL: also in AL4 9AL4 9BN: also in AL4 9AL4 9BT: also in AL4 9AL4 9DH: also in AL4 9AL4 9DP: also in AL4 9AL4 9DS: also in AL4 9AL4 9DU: also in AL4 9AL4 9DX: also in AL4 9AL4 9DY: also in AL4 9AL4 9DZ: also in AL4 9AL4 9EA: also in AL4 9AL4 9EB: also in AL4 9AL4 9ED: also in AL4 9AL4 9EE: also in AL4 9AL4 9EF: also in AL4 9AL4 9EG: also in AL4 9AL4 9EH: also in AL4 9AL4 9EJ: also in AL4 9AL4 9EL: also in AL4 9AL4 9EQ: also in AL4 9AL4 9EU: also in AL4 9AL4 9EX: also in AL4 9AL4 9EY: also in AL4 9AL4 9EZ: also in AL4 9AL4 9FG: also in AL4 9AL4 9FL: also in AL4 9AL4 9FN: also in AL4 9AL4 9HA: also in AL4 9AL4 9HB: also in AL4 9AL4 9HD: also in AL4 9AL4 9HE: also in AL4 9AL4 9HF: also in AL4 9AL4 9HG: also in AL4 9AL4 9HH: also in AL4 9AL4 9HL: also in AL4 9AL4 9HN: also in AL4 9AL4 9HP: also in AL4 9AL4 9HQ: also in AL4 9AL4 9HR: also in AL4 9AL4 9HS: also in AL4 9AL4 9HT: also in AL4 9AL4 9HU: also in AL4 9AL4 9HW: also in AL4 9AL4 9HX: also in AL4 9AL4 9HY: also in AL4 9AL4 9HZ: also in AL4 9AL4 9JA: also in AL4 9AL4 9JB: also in AL4 9AL4 9JD: also in AL4 9AL4 9JE: also in AL4 9AL4 9JF: also in AL4 9AL4 9JG: also in AL4 9AL4 9JH: also in AL4 9AL4 9JJ: also in AL4 9AL4 9JL: also in AL4 9AL4 9JN: also in AL4 9AL4 9JP: also in AL4 9AL4 9JQ: also in AL4 9AL4 9JR: also in AL4 9AL4 9JS: also in AL4 9AL4 9JT: also in AL4 9AL4 9JW: also in AL4 9AL4 9JX: also in AL4 9AL4 9JZ: also in AL4 9AL4 9QU: also in AL4 9AL4 9QX: also in AL4 9AL4 9QY: also in AL4 9AL4 9QZ: also in AL4 9AL4 9RG: also in AL4 9AL4 9RS: also in AL4 9AL4 9RT: also in AL4 9AL4 9RX: also in AL4 9AL4 9RY: also in AL4 9AL4 9RZ: also in AL4 9AL4 9SA: also in AL4 9AL4 9SH: also in AL4 9AL4 9SJ: also in AL4 9AL4 9SN: also in AL4 9AL4 9SW: also in AL4 9AL4 9TB: also in AL4 9AL4 9TE: also in AL4 9AL4 9TF: also in AL4 9AL4 9TG: also in AL4 9AL4 9TH: also in AL4 9AL4 9TJ: also in AL4 9AL4 9TL: also in AL4 9AL4 9TN: also in AL4 9AL4 9TP: also in AL4 9AL4 9TQ: also in AL4 9AL4 9TR: also in AL4 9AL4 9TS: also in AL4 9AL4 9TT: also in AL4 9AL4 9TW: also in AL4 9AL4 9UB: also in AL4 9AL4 9UD: also in AL4 9AL4 9UE: also in AL4 9AL4 9UF: also in AL4 9AL4 9UG: also in AL4 9AL4 9UH: also in AL4 9AL4 9UJ: also in AL4 9AL4 9UL: also in AL4 9AL4 9UN: also in AL4 9AL4 9UP: also in AL4 9AL4 9UQ: also in AL4 9AL4 9UR: also in AL4 9AL4 9UT: also in AL4 9AL4 9UU: also in AL4 9AL4 9UW: also in AL4 9AL4 9XA: also in AL4 9AL4 9XB: also in AL4 9AL4 9XD: also in AL4 9AL4 9XE: also in AL4 9AL4 9XF: also in AL4 9AL4 9XG: also in AL4 9AL4 9XH: also in AL4 9AL4 9XJ: also in AL4 9AL4 9XQ: also in AL4 9AL4 9XY: also in AL4 9AL4 9YD: also in AL4 9AL4 9YE: also in AL4 9AL4 9YF: also in AL4 9AL4 9YG: also in AL4 9AL4 9YH: also in AL4 9AL4 9YJ: also in AL4 9AL4 9YL: also in AL4 9AL4 9YQ: also in AL4 9 Sandringham School 2.4 kmBeaumont School 2.9 km3 places, 3.4–4.2 kmMarshalswick East & Jersey Farm AL4 9HJ Map of AL4 9HJ and what is near it Map of AL4 9HJ: its centre point, with the 286 other postcodes in the AL4 9 sector, 4 schools (3 beyond the edge, shown by arrows), 2 railway stations (2 beyond the edge, shown by arrows) and 3 GP practices (3 beyond the edge, shown by arrows). North is up; the scale bar is 1 km. 3 places, 2.1–3.6 kmSandringham School 2.4 kmSt Albans City station 4.7 kmMarshalswick East & Jersey Farm AL4 9HJ
  • AL4 9HJ
  • Other postcodes in AL4 9: press one for its page
  • 4 schools
  • 2 railway stations
  • 3 GP practices
  • Further out, with the distance

Points are centre points, not buildings, and nothing drawn is a boundary. Names in italics are council wards: we hold no town or village names here. Open this area on OpenStreetMap (latitude 51.7763, longitude -0.2735)

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026; schools: Department for Education; stations and bus stops: Department for Transport; GP practices: NHS England; street map: Ordnance Survey, OS Open Zoomstack, Open Government Licence v3.0, drawn with MapLibre. How we use them

Who looks after AL4 9HJ?

ONS places a whole postcode in one council, one ward and one constituency, from a single point. A few postcodes cross a boundary, so an address at the edge can belong to the one next door. Your council tax bill or your poll card settles it for your address.

Council, police force area and constituency: ONS Postcode Directory, August 2026. What each council does: GOV.UK. The MP: UK Parliament, read 14 October 2026.

What broadband can you get at AL4 9HJ?

64% of the homes and businesses at AL4 9HJ can get superfast broadband (30 Mbit/s or more) from a line, and 64% gigabit, Ofcom says.

Share of homes and businesses that can get it

Gigabit (1,000 Mbit/s)

AL4 9HJ 64% Welwyn Hatfield 88%

Superfast (30 Mbit/s or more)

AL4 9HJ 64% Welwyn Hatfield 98%
Check one address, and mobile coverage, on Ofcom's checker Compare broadband at another postcode

Source: Ofcom, Connected Nations, Spring 2026, data for January 2026, Open Government Licence v3.0. How we use it

When are the bins collected at AL4 9HJ?

BinDayBuddy has not read Welwyn Hatfield Council's days for AL4 9HJ today. It reads them from the council's own system when you ask.

Check the bin days for AL4 9HJ on BinDayBuddy

Source: BinDayBuddy, built from councils' own collection systems and public data. BinDayBuddy is run by Towpath Digital, which also runs this site. How we use it

Is AL4 9HJ at risk of flooding?

From rivers and the sea, long term

The Environment Agency's list of postcodes with a home or business in an area at risk of flooding from rivers or the sea does not include AL4 9HJ.

Rivers and the sea only, for the land around buildings, not each building. GOV.UK's checker answers for one address, surface water included.

Source: Environment Agency, Risk of Flooding from Rivers and Sea (postcodes in areas at risk), published 6 July 2026, Open Government Licence v3.0.

From surface water, across Welwyn Hatfield

The Environment Agency publishes this for the whole council, not for AL4 9HJ: 1,254 properties in Welwyn Hatfield are at high risk (2% of all its properties). All the figures for Welwyn Hatfield

Source: Environment Agency, Risk of Flooding from Surface Water, properties at risk by local authority, version 2025-09, listed 18 September 2026, Open Government Licence v3.0.

Flood warnings

The centre of AL4 9HJ is not in any of the Environment Agency's flood warning or alert areas. Part of the postcode may still be, so check your own address when you sign up.

Sign up for flood warnings, free, on GOV.UK Check flood risk at another postcode

Source: Environment Agency, flood warning areas read 17 October 2026. Open Government Licence v3.0. How we use these

What do homes sell for near AL4 9HJ?

Homes in AL4 9 sold for a typical £525,000 in the 12 months to August 2026, across 116 sales, down 19.9% on the 12 months before, HM Land Registry's figures show.

£525,000 typical price, the 12 months to August 2026
£655,500 12 months to August 2025
▼ down 19.9% on the 12 months before
  • Detached £830,650 17 sales
  • Semi-detached £725,000 37 sales
  • Terraced £462,750 34 sales
  • Flat or maisonette £276,250 28 sales

Each bar is that kind's typical price, against the most expensive kind here.

Across the whole AL4 district: a typical £640,000 from 305 sales.

How we work this out: house prices by postcode

Source: HM Land Registry Price Paid Data, files dated 28 September 2026. Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0. How we use it

Homes sold in AL4 9HJ

HM Land Registry records no standard sales of homes in AL4 9HJ from January 2024 to August 2026. The prices above are for the homes around it.

Sales at market value to a private buyer; the latest months are not complete. Own or live in a home listed here and would rather it were not? Ask us to take it off.

Source: HM Land Registry Price Paid Data, files dated 28 September 2026. Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0. How we use it

Food hygiene ratings at AL4 9HJ

The Food Standards Agency lists one food business at AL4 9HJ. Each opens the agency's own page for it, with what the council's inspector found.

Ratings run from 5, very good, to 0, urgent improvement necessary. A rating comes from the business's last inspection, and can change at the next.

Food hygiene ratings, from the Food Standards Agency

Source: Food Standards Agency, food hygiene ratings as published on 23 October 2026. Open Government Licence v3.0. How we use it

What council tax band are homes near AL4 9HJ?

The Valuation Office Agency counts about 590 homes in the neighbourhood around AL4 9HJ. The largest share of them, 29%, are in council tax band E. More were built from 2000 to 2009 than in any other period (49%). A home's own band is set for that home: check it on GOV.UK.

Council tax bands, and a year's council tax

Council tax bands of the homes around AL4 9HJ

Band D in Welwyn Hatfield for 2026‑27: £2,452. For the bands the homes here are in, a year's council tax runs from £1,635 (band A) to £4,905 (band H); band E, the most common, is £2,997.

BandHomes around hereA year
Band Aabout 10 (2%)£1,635
Band Babout 40 (7%)£1,907
Band Cabout 50 (8%)£2,180
Band Dabout 120 (20%)£2,452
Band Eabout 170 (29%)£2,997
Band Fabout 130 (22%)£3,542
Band Gabout 60 (10%)£4,087
Band Habout 10 (2%)£4,905

When the homes were built

  1. 11% Before 1900
  2. 2% 1900 to 1918
  3. 19% 1919 to 1939
  4. 5% 1945 to 1964
  5. 7% 1965 to 1982
  6. 4% 1983 to 1999
  7. 49% 2000 to 2009
  8. None 2010 to 2019
  9. 4% 2020 or later

2010 to 2019: none of the homes the VOA counts here.

Averages for Welwyn Hatfield before discounts, not any one home's bill.

Council tax: Ministry of Housing, Communities and Local Government, Council Tax levels set by local authorities in England 2026 to 2027, Table 10, published 25 March 2026, Open Government Licence v3.0. How we use it

Counts for the neighbourhood the centre of AL4 9HJ is in (ONS area E01033313), rounded by the VOA.

Check one home's band on GOV.UK

Source: Valuation Office Agency, Council Tax: stock of properties, at 31 March 2026, Open Government Licence v3.0. How we use it

Which schools are near AL4 9HJ?

The nearest open schools to AL4 9HJ, in a straight line. Distance is not a catchment.

Primary

Secondary

Find and compare schools in England, on GOV.UK More schools near AL4 9HJ, and how we find them

Source: Department for Education, Get Information about Schools, read 17 October 2026, Open Government Licence v3.0. Each school opens its own record there. How we use it

Where is the nearest station to AL4 9HJ?

The nearest railway station to the centre of AL4 9HJ is Hatfield (Herts) Rail Station, 4.2 km away in a straight line.

  • Hatfield (Herts) Rail Station Railway station 4.2 kmCycle
  • St Albans City Rail Station Railway station 4.7 kmCycle

Straight-line distances from the centre point, not routes. Walk: under 1.2 km. Cycle: 1.2 to 5 km. Drive: further.

No bus stop within 400 metres in the Department for Transport's register.

More stations near AL4 9HJ, and how we find them

Source: Department for Transport, NaPTAN, read 17 October 2026, Open Government Licence v3.0. How we use it

Which GP surgeries are near AL4 9HJ?

The nearest GP practices to the centre of AL4 9HJ, in a straight line. Each sets the area it takes patients from. In England, each opens its page at the Care Quality Commission, which inspects and rates it.

Find a GP on the NHS website

Source: NHS England, Organisation Data Service (GP practices), read 17 October 2026; ratings: Care Quality Commission, 1 October 2026, Open Government Licence v3.0. How we use it

Where can I charge an electric car near AL4 9HJ?

0 within 1 km 1 within 3 km

The nearest charging points to the centre of AL4 9HJ, as OpenStreetMap had them on 20 October 2026:

  • St Albans Supercharger Charging point · 8 chargers · CCS · up to 250 kW 2.7 kmCycle

OpenStreetMap is mapped by volunteers. It does not have every charger, and not every one it has gives its speed or plugs. Check a charger's own app before you set off.

See more chargers on Open Charge Map

Source: © OpenStreetMap contributors, Open Database Licence, map as of 20 October 2026. How we use it

Which dentists are near AL4 9HJ?

The nearest to the centre of AL4 9HJ, in a straight line. Those in England open their page at the Care Quality Commission, which inspects them. It gives few dentists a rating.

Source: Care Quality Commission (directory of 14 October 2026), Open Government Licence v3.0. This uses Care Quality Commission information. How we use it

Which hospitals are nearest to AL4 9HJ?

The nearest NHS and private hospitals and clinics in England, in a straight line, with the Care Quality Commission's latest overall rating. One in Wales or Scotland may be nearer.

Not every hospital has an accident and emergency department. In an emergency, call 999.

Source: Care Quality Commission (directory of 14 October 2026, ratings of 1 October 2026), Open Government Licence v3.0. This uses Care Quality Commission information. How we use it

Which care homes are near AL4 9HJ?

The nearest care homes to the centre of AL4 9HJ, in a straight line, with the Care Quality Commission's latest overall rating.

Source: Care Quality Commission (directory of 14 October 2026, ratings of 1 October 2026), Open Government Licence v3.0. This uses Care Quality Commission information. How we use it

Which pharmacies are near AL4 9HJ?

The nearest NHS pharmacies to the centre of AL4 9HJ, in a straight line. Those in England show the opening hours they gave the NHS (list published July 2026) and open their page on the NHS website. A few work online or by post only: check before you go.

Hours can change on bank holidays. For urgent help when a pharmacy is closed, call NHS 111.

Source: NHS Business Services Authority (phone numbers: NHS Organisation Data Service), Open Government Licence v3.0. How we use it

Which vets are near AL4 9HJ?

The nearest vets to the centre of AL4 9HJ on OpenStreetMap, in a straight line. Each opens its entry on the map, with its opening hours and website where they are mapped.

OpenStreetMap may not have every vet. Out of hours, ring your own vet’s number first: the Royal College of Veterinary Surgeons says vets in practice must arrange round-the-clock emergency first aid and pain relief, themselves or through another service.

Source: © OpenStreetMap contributors, Open Database Licence, map as of 20 October 2026. How we use it

Is AL4 9HJ in a conservation area?

The centre of AL4 9HJ is in one area with planning rules of its own, as planning.data.gov.uk holds them:

Work on a home here, and on its trees, may need permission that it would not need elsewhere. The council's planning team has the rules for one address. Not every council has sent all its data.

Source: planning.data.gov.uk, asked at the postcode's centre point. Open Government Licence v3.0. How we use it

How much crime is there near AL4 9HJ?

Police.uk records 1 crimes and reports of anti-social behaviour within a mile of the centre of AL4 9HJ in August 2026, the latest month it has published.

Other crime1 report

Police.uk places each report at a nearby point, so this is an area, not a street.

Your local policing team on Police.uk How we work this out: crime by postcode, with the last 12 months

Source: data.police.uk, from its download of 30 September 2026, Open Government Licence v3.0. How we use it

The official record for AL4 9HJ

Ward
Hatfield Villages
Parish
Hatfield
Region
East of England
Country
England
Rural or urban
Urban, nearer to a major town or city
In use since
January 1980

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. See all our data sources

Around AL4 9HJ

Go wider

Every postcode in the same sector, district or postcode area.

AL4 9 sector AL4 district AL postcode area

Questions about a postcode

Nearby postcodes

The nearest postcodes in use, measured in a straight line between centre points.

AL4 9HG370 mAL4 9HL450 mAL4 9FG540 mAL4 9HN740 mAL4 9HF830 mAL4 9HQ830 m
All of AL4

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode. How we use it

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