Chiswell Green

Chiswell Green is covered by postcode district AL2. It is in the St Albans council area, Hertfordshire.

Typical price £697,500 Homes sold in Chiswell Green, last 12 months. ▲ 2.7% on the year before Gigabit broadband 193 of 211 postcodes where every home and business can get it Flooding Not on the at-risk list No postcode here has a home or business in an area at risk from rivers or the sea Schools 3 2 primary schools and 1 all-through school at its postcodes

Every postcode in Chiswell Green, by flood risk

Map of every postcode in Chiswell Green, by flood risk Of the 216 postcodes in Chiswell Green that ONS places, 216 are not on the Environment Agency's at-risk list. Places named: Chiswell Green. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A405A414M25A5183 AL2 2AB: not on the flood risk listAL2 2AD: not on the flood risk listAL2 2AE: not on the flood risk listAL2 2AF: not on the flood risk listAL2 2AH: not on the flood risk listAL2 2AJ: not on the flood risk listAL2 2AL: not on the flood risk listAL2 2AN: not on the flood risk listAL2 2AP: not on the flood risk listAL2 2AQ: not on the flood risk listAL2 2AR: not on the flood risk listAL2 2AS: not on the flood risk listAL2 2AT: not on the flood risk listAL2 2AU: not on the flood risk listAL2 2AW: not on the flood risk listAL2 2AX: not on the flood risk listAL2 2AY: not on the flood risk listAL2 2AZ: not on the flood risk listAL2 2BA: not on the flood risk listAL2 2BB: not on the flood risk listAL2 2BD: not on the flood risk listAL2 2BE: not on the flood risk listAL2 2BG: not on the flood risk listAL2 2BH: not on the flood risk listAL2 2BJ: not on the flood risk listAL2 2BL: not on the flood risk listAL2 2BN: not on the flood risk listAL2 2BQ: not on the flood risk listAL2 2DJ: not on the flood risk listAL2 2DP: not on the flood risk listAL2 2DS: not on the flood risk listAL2 2DT: not on the flood risk listAL2 2DW: not on the flood risk listAL2 2DX: not on the flood risk listAL2 2EA: not on the flood risk listAL2 2EE: not on the flood risk listAL2 2EF: not on the flood risk listAL2 2EH: not on the flood risk listAL2 2FJ: not on the flood risk listAL2 2FN: not on the flood risk listAL2 2FQ: not on the flood risk listAL2 2FR: not on the flood risk listAL2 2GZ: not on the flood risk listAL2 2HD: not on the flood risk listAL2 2HE: not on the flood risk listAL2 2HF: not on the flood risk listAL2 2HG: not on the flood risk listAL2 2HH: not on the flood risk listAL2 2HJ: not on the flood risk listAL2 2HL: not on the flood risk listAL2 2HN: not on the flood risk listAL2 2HP: not on the flood risk listAL2 2HQ: not on the flood risk listAL2 2HR: not on the flood risk listAL2 2HS: not on the flood risk listAL2 2HT: not on the flood risk listAL2 2HU: not on the flood risk listAL2 2HW: not on the flood risk listAL2 2HX: not on the flood risk listAL2 2HY: not on the flood risk listAL2 2HZ: not on the flood risk listAL2 2JA: not on the flood risk listAL2 2JB: not on the flood risk listAL2 2JD: not on the flood risk listAL2 2JF: not on the flood risk listAL2 2JG: not on the flood risk listAL2 2JH: not on the flood risk listAL2 2JJ: not on the flood risk listAL2 2JL: not on the flood risk listAL2 2JN: not on the flood risk listAL2 2JQ: not on the flood risk listAL2 2LJ: not on the flood risk listAL2 2QE: not on the flood risk listAL2 2QF: not on the flood risk listAL2 2QG: not on the flood risk listAL2 2QH: not on the flood risk listAL2 2QJ: not on the flood risk listAL2 2QL: not on the flood risk listAL2 2QN: not on the flood risk listAL2 2QP: not on the flood risk listAL2 2QQ: not on the flood risk listAL2 2QR: not on the flood risk listAL2 2QS: not on the flood risk listAL2 2QT: not on the flood risk listAL2 2QU: not on the flood risk listAL2 2QW: not on the flood risk listAL2 2QX: not on the flood risk listAL2 2QY: not on the flood risk listAL2 2QZ: not on the flood risk listAL2 2RA: not on the flood risk listAL2 2RB: not on the flood risk listAL2 2RD: not on the flood risk listAL2 2RE: not on the flood risk listAL2 2RF: not on the flood risk listAL2 2RH: not on the flood risk listAL2 2RP: not on the flood risk listAL2 2RR: not on the flood risk listAL2 2RS: not on the flood risk listAL2 2RT: not on the flood risk listAL2 2RU: not on the flood risk listAL2 2RW: not on the flood risk listAL2 2RX: not on the flood risk listAL2 2RY: not on the flood risk listAL2 2RZ: not on the flood risk listAL2 2SA: not on the flood risk listAL2 2SB: not on the flood risk listAL2 2SD: not on the flood risk listAL2 2SE: not on the flood risk listAL2 2SF: not on the flood risk listAL2 2SG: not on the flood risk listAL2 2SH: not on the flood risk listAL2 2SJ: not on the flood risk listAL2 2SL: not on the flood risk listAL2 2SN: not on the flood risk listAL2 2SP: not on the flood risk listAL2 2SQ: not on the flood risk listAL2 2TB: not on the flood risk listAL2 2TS: not on the flood risk listAL2 2TT: not on the flood risk listAL2 2TU: not on the flood risk listAL2 2TX: not on the flood risk listAL2 2TY: not on the flood risk listAL2 2TZ: not on the flood risk listAL2 3AA: not on the flood risk listAL2 3AB: not on the flood risk listAL2 3AD: not on the flood risk listAL2 3AE: not on the flood risk listAL2 3AF: not on the flood risk listAL2 3AG: not on the flood risk listAL2 3AH: not on the flood risk listAL2 3AJ: not on the flood risk listAL2 3AL: not on the flood risk listAL2 3AN: not on the flood risk listAL2 3AP: not on the flood risk listAL2 3AQ: not on the flood risk listAL2 3AR: not on the flood risk listAL2 3AS: not on the flood risk listAL2 3AT: not on the flood risk listAL2 3AW: not on the flood risk listAL2 3AX: not on the flood risk listAL2 3AY: not on the flood risk listAL2 3AZ: not on the flood risk listAL2 3BA: not on the flood risk listAL2 3BB: not on the flood risk listAL2 3BD: not on the flood risk listAL2 3BE: not on the flood risk listAL2 3BG: not on the flood risk listAL2 3BH: not on the flood risk listAL2 3BJ: not on the flood risk listAL2 3BN: not on the flood risk listAL2 3BQ: not on the flood risk listAL2 3BY: not on the flood risk listAL2 3DA: not on the flood risk listAL2 3DB: not on the flood risk listAL2 3DD: not on the flood risk listAL2 3DE: not on the flood risk listAL2 3DF: not on the flood risk listAL2 3DG: not on the flood risk listAL2 3DH: not on the flood risk listAL2 3DJ: not on the flood risk listAL2 3DL: not on the flood risk listAL2 3DN: not on the flood risk listAL2 3DP: not on the flood risk listAL2 3DQ: not on the flood risk listAL2 3DR: not on the flood risk listAL2 3DS: not on the flood risk listAL2 3DT: not on the flood risk listAL2 3DU: not on the flood risk listAL2 3DW: not on the flood risk listAL2 3DY: not on the flood risk listAL2 3DZ: not on the flood risk listAL2 3EA: not on the flood risk listAL2 3EB: not on the flood risk listAL2 3ED: not on the flood risk listAL2 3EE: not on the flood risk listAL2 3EF: not on the flood risk listAL2 3EH: not on the flood risk listAL2 3EJ: not on the flood risk listAL2 3EN: not on the flood risk listAL2 3EQ: not on the flood risk listAL2 3EZ: not on the flood risk listAL2 3HA: not on the flood risk listAL2 3HB: not on the flood risk listAL2 3HD: not on the flood risk listAL2 3HE: not on the flood risk listAL2 3HF: not on the flood risk listAL2 3HG: not on the flood risk listAL2 3HH: not on the flood risk listAL2 3HJ: not on the flood risk listAL2 3HL: not on the flood risk listAL2 3HN: not on the flood risk listAL2 3HP: not on the flood risk listAL2 3HQ: not on the flood risk listAL2 3HR: not on the flood risk listAL2 3HS: not on the flood risk listAL2 3HT: not on the flood risk listAL2 3HU: not on the flood risk listAL2 3HW: not on the flood risk listAL2 3HX: not on the flood risk listAL2 3HY: not on the flood risk listAL2 3HZ: not on the flood risk listAL2 3JE: not on the flood risk listAL2 3JX: not on the flood risk listAL2 3JY: not on the flood risk listAL2 3JZ: not on the flood risk listAL2 3LA: not on the flood risk listAL2 3LB: not on the flood risk listAL2 3LD: not on the flood risk listAL2 3LF: not on the flood risk listAL2 3NP: not on the flood risk listAL2 3RR: not on the flood risk listAL2 3TB: not on the flood risk listAL2 3TD: not on the flood risk listAL2 3TE: not on the flood risk listAL2 3TF: not on the flood risk listAL2 3TN: not on the flood risk list Chiswell Green Map of every postcode in Chiswell Green, by flood risk Of the 216 postcodes in Chiswell Green that ONS places, 216 are not on the Environment Agency's at-risk list. Places named: Chiswell Green. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A405A414 Chiswell Green
  • A home or business at high risk: 0
  • At medium risk at worst: 0
  • At low risk at worst: 0
  • At very low risk only: 0
  • Not on the at-risk list: 216

Of the 216 postcodes in Chiswell Green that ONS places, 216 are not on the Environment Agency's at-risk list.

Each mark is a postcode's centre point as ONS gives it, not a building. Press one to see its postcode and open its page. No boundary is drawn.

The middle of its postcodes: latitude 51.7225, longitude -0.3546. Open this area on OpenStreetMap

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode; flood risk: Environment Agency, published 6 July 2026; roads, rivers and built-up areas: Contains OS data © Crown copyright and database right 2026. Drawn by us. Street map: Ordnance Survey, OS Open Zoomstack, Open Government Licence v3.0, drawn with MapLibre. How we use them

What is it like to live in Chiswell Green?

Homes sold for a typical £697,500 in the 12 months to August 2026, up 2.7% on the 12 months before. At 193 of the 211 postcodes Ofcom reports on, every home and business can get gigabit broadband. None of its 216 postcodes is on the Environment Agency's list of those with a home or business at risk of flooding from rivers or the sea. It has 2 primary schools and 1 all-through school at its postcodes. One GP practice is at its postcodes. The nearest railway station is How Wood (Herts), 850 metres from the middle of its postcodes in a straight line.

We don't rate places; here are the figures so you can judge.

Source: HM Land Registry, Ofcom, the Environment Agency, the Department for Education, NHS England and the Department for Transport, as each section of this page says. See all our data sources

What do homes cost in Chiswell Green?

Homes in Chiswell Green sold for a typical £697,500 in the 12 months to August 2026, across 72 sales, up 2.7% on the 12 months before, HM Land Registry's figures show.

£697,500 typical price, the 12 months to August 2026
12 months to August 2025
£679,000
12 months to August 2026
£697,500

▲ up 2.7% on the 12 months before

Detached£762,500 36 sales
Semi-detached£647,500 22 sales
Terraced£465,000 11 sales
Flat or maisonette 3 sales, too few to price

Across the whole AL2 district, Chiswell Green's main postcode district: a typical £530,000.

Sales at the postcodes ONS places in Chiswell Green: standard sales of homes at market value. A typical price is the median, the middle sale. Sales take weeks to be registered, so the last month or two are incomplete. Each postcode page gives the figure for its own postcode sector.

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

Are new homes being built in Chiswell Green?

7 of the 216 postcodes now in use in Chiswell Green came into use in January 2020 or later, ONS says. In the 12 months to August 2025, 0 of the 88 homes sold in Chiswell Green were newly built (0%), HM Land Registry's records show; across the AL2 district, 5%.

The newest postcodes

AL2 2DTsince May 2026AL2 2DXsince May 2026AL2 2EEsince May 2026AL2 2EFsince May 2026AL2 2EHsince May 2026AL2 2FQsince September 2023

A new postcode is often a new street or estate, but Royal Mail also makes new postcodes when it reorganises old ones, so not every one means new homes. Only postcodes still in use are counted.

New homes among the homes sold

PeriodIn Chiswell GreenAcross the AL2 district
The 12 months to August 2026 0 of 72 (0%) 2 of 263 (Under 1%)
The 12 months to August 2025 0 of 88 (0%) 16 of 355 (5%)

Standard sales of homes at market value that HM Land Registry marks as newly built. New homes take longer to be registered than other sales, so the latest 12 months count fewer of them than were sold. A share is given from 5 sales or more.

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026; HM Land Registry Price Paid Data, files dated 28 September 2026. Contains HM Land Registry data © Crown copyright and database right 2021, Open Government Licence v3.0. How we use it

What broadband can you get in Chiswell Green?

Ofcom reports on 211 of the 216 postcodes in Chiswell Green. At 193 of them every home and business can get gigabit broadband.

Postcodes where every home can get gigabit193 of 211
Postcodes where every home can get superfast208 of 211

Ofcom gives each postcode's share of homes and businesses, not how many there are, so these count postcodes. Each postcode page has its own figures. A provider's checker answers for one address.

Check one address on Ofcom's checker

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

Is Chiswell Green at risk of flooding?

None of the 216 postcodes in Chiswell Green is on the Environment Agency's list of postcodes with a home or business in an area at risk of flooding from rivers or the sea.

Homes and businesses in an area at risk of flooding from rivers or the sea, as the Environment Agency counts them, added up over the postcodes. It is for the land, not each building, and leaves out surface water, groundwater and sewers. Each postcode page has its own figures and its flood warning areas.

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

Which schools are in Chiswell Green?

The open schools at the postcodes in Chiswell Green. A school for ages 4 to 18 is listed under both. Distances are straight lines from the middle of its postcodes. Distance is not a catchment: each council sets its own admission rules.

Primary

Secondary

Find and compare schools in England, on GOV.UK

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

How far is the station from Chiswell Green?

The nearest railway station to the centre point of the postcodes in Chiswell Green is How Wood (Herts) Rail Station, 850 m away in a straight line.

  • How Wood (Herts) Rail Station Railway station 850 mWalk
  • Park Street Rail Station Railway station 1.0 kmWalk
  • Bricket Wood Rail Station Railway station 1.9 kmCycle

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

Straight-line distances from the middle of the postcodes, not routes. Each postcode page lists its own nearest stations and bus stops. The Department for Transport's register does not say how often services run.

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

Which GP surgeries are in Chiswell Green?

The GP practices at the postcodes in Chiswell Green. Each practice sets the area it takes patients from, so check with it before registering.

Find a GP on the NHS website

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

Is Chiswell Green safe? Crime recorded around it

Police.uk records 646 crimes and reports of anti-social behaviour within a mile of the middle of the postcodes in Chiswell Green over the 12 months from September 2025 to August 2026. August 2026 is the latest month it has published. These are counts, not a rate: we hold no count of the people who live, work or pass through, so we do not say whether a place is safe.

Each month, September 2025 to August 2026

  1. 41 September 2025
  2. 34 October 2025
  3. 46 November 2025
  4. 57 December 2025
  5. 55 January 2026
  6. 38 February 2026
  7. 59 March 2026
  8. 57 April 2026
  9. 60 May 2026
  10. 64 June 2026
  11. 62 July 2026
  12. 73 August 2026

By kind, over the 12 months

Violence and sexual offences174 reports
Anti-social behaviour120 reports
Other theft118 reports
Vehicle crime56 reports
Shoplifting54 reports
Criminal damage and arson29 reports
Public order28 reports
Burglary28 reports

Also: other crime 13, drugs 11, robbery 7, theft from the person 4, possession of weapons 3, bicycle theft 1.

Police.uk says its locations "always represent the approximate location of a crime". Each crime is moved to the nearest of a fixed list of map points, each over a street centre, a public place or a commercial premises, chosen so that every point covers at least eight addresses or none. A mile is a wide circle: in a town it takes in the centre and its shops, where much crime is recorded.

Crime around one postcode

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

Who runs Chiswell Green?

District, borough or city council
St Albans
County council
Hertfordshire
Parliamentary constituencies
St Albans (214) and Harpenden and Berkhamsted (2)
Police force area
Hertfordshire
Region
East of England
Country
England

Where the place crosses a boundary, a row lists each side with its number of postcodes. Check a postcode for its own. What council am I in?

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

Moving to Chiswell Green

Who to tell and what to sort out in your first week.

Who to tell when moving house: the full list Moving house checklist

Chiswell Green postcodes

216 postcodes in use in Chiswell Green, by district:

AL2 postcode district,216 postcodes

That district is in the AL postcode area.

Check a Chiswell Green postcode

Enter a full postcode to see its ward, its flood risk, house prices in its sector and its nearest schools.

Do not know the postcode? What is my postcode?

Places near Chiswell Green

With the typical price of a home in each, to set beside Chiswell Green's £697,500. Distances are straight lines between the middles of each place's postcodes.

Park Street and Frogmore1.2 km, £420,500Bricket Wood2.0 km, £626,500London Colney4.0 km, £416,250St Albans4.0 km, £595,750Radlett4.9 km, £935,000Abbots Langley and Kings Langley5.6 km, £487,000Shenley5.7 km, £588,000Watford7.7 km, £432,250 All places A to Z

Questions about Chiswell Green

What is it like to live in Chiswell Green?
Homes sold for a typical £697,500 in the 12 months to August 2026, up 2.7% on the 12 months before. At 193 of the 211 postcodes Ofcom reports on, every home and business can get gigabit broadband. None of its 216 postcodes is on the Environment Agency's list of those with a home or business at risk of flooding from rivers or the sea. It has 2 primary schools and 1 all-through school at its postcodes. One GP practice is at its postcodes. The nearest railway station is How Wood (Herts), 850 metres from the middle of its postcodes in a straight line. We don't rate places; here are the figures so you can judge. Source: HM Land Registry, Ofcom, the Environment Agency, the Department for Education, NHS England and the Department for Transport, as each section of this page says.
What is the postcode for Chiswell Green?
Chiswell Green is covered by postcode district AL2, across 216 postcodes in use. Source: ONS Postcode Directory.
Which council is Chiswell Green in?
Chiswell Green is in the St Albans council area, and Hertfordshire is its county council. Source: ONS Postcode Directory.
How much are houses in Chiswell Green?
Homes in Chiswell Green sold for a typical £697,500 in the 12 months to August 2026, across 72 sales, up 2.7% on the 12 months before. Source: HM Land Registry Price Paid Data, files dated 28 September 2026.
What schools are in Chiswell Green?
In Chiswell Green, primary schools at its postcodes include How Wood Primary and Nursery School, Seva Education St Albans and Killigrew Primary and Nursery School; secondary schools at its postcodes include Seva Education St Albans. Source: Department for Education, Get Information about Schools, read 17 October 2026.
Does Chiswell Green have a railway station?
Yes: How Wood (Herts) is 850 metres from the centre point of the postcodes in Chiswell Green, in a straight line. Source: Department for Transport, NaPTAN, read 17 October 2026.
What broadband can you get in Chiswell Green?
Ofcom reports on 211 of the 216 postcodes in Chiswell Green. At 193 of them every home and business can get gigabit broadband. Source: Ofcom, Connected Nations, Spring 2026.
Is Chiswell Green at risk of flooding?
None of the 216 postcodes in Chiswell Green is on the Environment Agency's list of postcodes with a home or business in an area at risk of flooding from rivers or the sea. This is long-term risk for the land, and leaves out surface water. Source: Environment Agency.
Are new homes being built in Chiswell Green?
7 of the 216 postcodes now in use in Chiswell Green came into use in January 2020 or later, ONS says. In the 12 months to August 2025, 0 of the 88 homes sold in Chiswell Green were newly built (0%), HM Land Registry's records show; across the AL2 district, 5%. Source: ONS Postcode Directory and HM Land Registry Price Paid Data.

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