London Colney

London Colney is covered by postcode districts AL1, AL2 and AL4. It is mostly in the St Albans council area: 209 of its 213 postcodes. The others are in Hertsmere.

Every postcode in London Colney, by flood risk

Map of every postcode in London Colney, by flood risk Of the 213 postcodes in London Colney that ONS places, 19 have a home or business at high risk, 7 are at medium risk at worst, 12 are at low risk at worst and 175 are not on the Environment Agency's at-risk list. 2 groups of postcodes at high or medium risk are outlined: 10 postcodes at high or medium risk; 8 postcodes at high or medium risk. Places named: London Colney. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. M25A1081A414 AL1 1DX: not on the flood risk listAL1 1DZ: not on the flood risk listAL1 1EA: not on the flood risk listAL1 1EE: not on the flood risk listAL1 1EG: not on the flood risk listAL1 1EQ: not on the flood risk listAL2 1AB: not on the flood risk listAL2 1AE: not on the flood risk listAL2 1AF: not on the flood risk listAL2 1AG: not on the flood risk listAL2 1AT: not on the flood risk listAL2 1AU: not on the flood risk listAL2 1BH: not on the flood risk listAL2 1BL: not on the flood risk listAL2 1BP: not on the flood risk listAL2 1BS: not on the flood risk listAL2 1BW: not on the flood risk listAL2 1BX: not on the flood risk listAL2 1DA: not on the flood risk listAL2 1DH: not on the flood risk listAL2 1DJ: not on the flood risk listAL2 1DN: not on the flood risk listAL2 1DZ: not on the flood risk listAL2 1EA: not on the flood risk listAL2 1EB: not on the flood risk listAL2 1ED: not on the flood risk listAL2 1EE: not on the flood risk listAL2 1EF: not on the flood risk listAL2 1EG: not on the flood risk listAL2 1EH: not on the flood risk listAL2 1EJ: not on the flood risk listAL2 1EN: not on the flood risk listAL2 1EP: not on the flood risk listAL2 1EQ: not on the flood risk listAL2 1ER: not on the flood risk listAL2 1ES: not on the flood risk listAL2 1ET: not on the flood risk listAL2 1EU: not on the flood risk listAL2 1EW: not on the flood risk listAL2 1EY: not on the flood risk listAL2 1EZ: not on the flood risk listAL2 1FE: not on the flood risk listAL2 1FG: not on the flood risk listAL2 1FH: not on the flood risk listAL2 1FN: not on the flood risk listAL2 1FP: not on the flood risk listAL2 1FQ: not on the flood risk listAL2 1FT: not on the flood risk listAL2 1FU: not on the flood risk listAL2 1GR: not on the flood risk listAL2 1GX: not on the flood risk listAL2 1GY: not on the flood risk listAL2 1HA: not on the flood risk listAL2 1HB: not on the flood risk listAL2 1HD: not on the flood risk listAL2 1HE: not on the flood risk listAL2 1HL: not on the flood risk listAL2 1HN: not on the flood risk listAL2 1HP: not on the flood risk listAL2 1HQ: not on the flood risk listAL2 1HR: not on the flood risk listAL2 1HS: not on the flood risk listAL2 1HT: not on the flood risk listAL2 1HU: not on the flood risk listAL2 1HW: not on the flood risk listAL2 1HX: not on the flood risk listAL2 1HY: not on the flood risk listAL2 1HZ: not on the flood risk listAL2 1JA: not on the flood risk listAL2 1JB: not on the flood risk listAL2 1JD: not on the flood risk listAL2 1JE: not on the flood risk listAL2 1JF: not on the flood risk listAL2 1JG: not on the flood risk listAL2 1JH: not on the flood risk listAL2 1JJ: not on the flood risk listAL2 1JL: not on the flood risk listAL2 1JN: not on the flood risk listAL2 1JP: not on the flood risk listAL2 1JQ: not on the flood risk listAL2 1JR: not on the flood risk listAL2 1JS: not on the flood risk listAL2 1JT: not on the flood risk listAL2 1JU: not on the flood risk listAL2 1JW: not on the flood risk listAL2 1JX: not on the flood risk listAL2 1JY: not on the flood risk listAL2 1JZ: not on the flood risk listAL2 1LB: not on the flood risk listAL2 1LD: not on the flood risk listAL2 1LE: not on the flood risk listAL2 1LF: not on the flood risk listAL2 1LL: not on the flood risk listAL2 1LN: not on the flood risk listAL2 1LP: not on the flood risk listAL2 1LS: not on the flood risk listAL2 1LT: not on the flood risk listAL2 1LU: not on the flood risk listAL2 1LW: not on the flood risk listAL2 1LX: not on the flood risk listAL2 1LZ: not on the flood risk listAL2 1NA: not on the flood risk listAL2 1NB: not on the flood risk listAL2 1ND: not on the flood risk listAL2 1NE: not on the flood risk listAL2 1NF: not on the flood risk listAL2 1NG: not on the flood risk listAL2 1NH: not on the flood risk listAL2 1NJ: not on the flood risk listAL2 1NL: not on the flood risk listAL2 1NP: not on the flood risk listAL2 1NQ: not on the flood risk listAL2 1NS: not on the flood risk listAL2 1NT: not on the flood risk listAL2 1NU: not on the flood risk listAL2 1NW: not on the flood risk listAL2 1NX: not on the flood risk listAL2 1NY: not on the flood risk listAL2 1PD: not on the flood risk listAL2 1PF: not on the flood risk listAL2 1PG: not on the flood risk listAL2 1PH: not on the flood risk listAL2 1PJ: not on the flood risk listAL2 1PL: not on the flood risk listAL2 1PN: not on the flood risk listAL2 1PP: not on the flood risk listAL2 1PQ: not on the flood risk listAL2 1PR: not on the flood risk listAL2 1PS: not on the flood risk listAL2 1PT: not on the flood risk listAL2 1PU: not on the flood risk listAL2 1PW: not on the flood risk listAL2 1PX: not on the flood risk listAL2 1PY: not on the flood risk listAL2 1PZ: not on the flood risk listAL2 1QD: not on the flood risk listAL2 1QF: not on the flood risk listAL2 1QG: not on the flood risk listAL2 1QH: not on the flood risk listAL2 1QJ: not on the flood risk listAL2 1QL: not on the flood risk listAL2 1QN: not on the flood risk listAL2 1QP: not on the flood risk listAL2 1QQ: not on the flood risk listAL2 1QR: not on the flood risk listAL2 1QS: not on the flood risk listAL2 1QT: not on the flood risk listAL2 1QW: not on the flood risk listAL2 1RF: not on the flood risk listAL2 1RG: not on the flood risk listAL2 1RH: not on the flood risk listAL2 1RJ: not on the flood risk listAL2 1RL: not on the flood risk listAL2 1RP: not on the flood risk listAL2 1RQ: not on the flood risk listAL2 1RS: not on the flood risk listAL2 1RY: not on the flood risk listAL2 1SS: not on the flood risk listAL2 1TA: not on the flood risk listAL2 1TB: not on the flood risk listAL2 1TD: not on the flood risk listAL2 1TE: not on the flood risk listAL2 1TF: not on the flood risk listAL2 1TG: not on the flood risk listAL2 1TH: not on the flood risk listAL2 1TJ: not on the flood risk listAL2 1TL: not on the flood risk listAL2 1TN: not on the flood risk listAL2 1TP: not on the flood risk listAL2 1UA: not on the flood risk listAL2 1UB: not on the flood risk listAL2 1UH: not on the flood risk listAL2 1UL: not on the flood risk listAL4 0NF: not on the flood risk listAL2 1BE: low flood risk at worstAL2 1BG: low flood risk at worstAL2 1BJ: low flood risk at worstAL2 1BZ: low flood risk at worstAL2 1DT: low flood risk at worstAL2 1DW: low flood risk at worstAL2 1FS: low flood risk at worstAL2 1HG: low flood risk at worstAL2 1LG: low flood risk at worstAL2 1QU: low flood risk at worstAL2 1RD: low flood risk at worstAL2 1RW: low flood risk at worstAL2 1AH: medium flood risk at worstAL2 1AZ: medium flood risk at worstAL2 1DG: medium flood risk at worstAL2 1DY: medium flood risk at worstAL2 1LQ: medium flood risk at worstAL2 1QA: medium flood risk at worstAL2 1SA: medium flood risk at worstAL2 1BY: high flood riskAL2 1DP: high flood riskAL2 1DQ: high flood riskAL2 1LJ: high flood riskAL2 1NZ: high flood riskAL2 1PA: high flood riskAL2 1PB: high flood riskAL2 1PE: high flood riskAL2 1QX: high flood riskAL2 1QY: high flood riskAL2 1RB: high flood riskAL2 1RE: high flood riskAL2 1RN: high flood riskAL2 1RR: high flood riskAL2 1RT: high flood riskAL2 1RU: high flood riskAL2 1RX: high flood riskAL2 1RZ: high flood risk London Colney 10 postcodes at high or medium risk, outlined: this goes to AL2 1PE, the one with most homes and businesses at high risk10 postcodes at high or medium risk8 postcodes at high or medium risk, outlined: this goes to AL2 1RB, the one with most homes and businesses at high risk8 postcodes at high or medium risk Map of every postcode in London Colney, by flood risk Of the 213 postcodes in London Colney that ONS places, 19 have a home or business at high risk, 7 are at medium risk at worst, 12 are at low risk at worst and 175 are not on the Environment Agency's at-risk list. 2 groups of postcodes at high or medium risk are outlined: 10 postcodes at high or medium risk; 8 postcodes at high or medium risk. Places named: London Colney. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. London Colney
  • A home or business at high risk: 19
  • At medium risk at worst: 7
  • At low risk at worst: 12
  • At very low risk only: 0
  • Not on the at-risk list: 175
  • Outline: where 5 or more postcodes at high or medium risk lie together

Of the 213 postcodes in London Colney that ONS places, 19 have a home or business at high risk, 7 are at medium risk at worst, 12 are at low risk at worst and 175 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. A dashed outline shows where 5 or more lie within 150 metres of each other. It is not a boundary, and no boundary is drawn. Where marks overlap, the one first in the key is drawn; the counts include every postcode.

The middle of its postcodes: latitude 51.7230, longitude -0.2966. 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

The postcodes at high risk

19 postcodes here have a home or business at high risk. These are the 12 with the most homes and businesses at that risk.

Beside each: how many of its homes and businesses the Environment Agency puts at that risk.

Where the postcodes at high or medium risk lie together

What is it like to live in London Colney?

Homes sold for a typical £416,250 in the 12 months to August 2026, down 0.6% on the 12 months before. At 190 of the 211 postcodes Ofcom reports on, every home and business can get gigabit broadband. The Environment Agency counts 192 homes and businesses at high or medium risk of flooding from rivers or the sea, at 38 of its 213 postcodes. It has 3 primary schools at its postcodes. 2 GP practices are at its postcodes. The nearest railway station is Park Street, 3.0 km 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 London Colney?

Homes in London Colney sold for a typical £416,250 in the 12 months to August 2026, across 92 sales, down 0.6% on the 12 months before, HM Land Registry's figures show.

£416,250 typical price, the 12 months to August 2026
£418,750 12 months to August 2025
▼ down 0.6% on the 12 months before
  • Detached £595,000 7 sales
  • Semi-detached £575,000 21 sales
  • Terraced £450,000 33 sales
  • Flat or maisonette £243,000 31 sales

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

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

Sales at the postcodes ONS places in London Colney: 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 London Colney?

2 of the 213 postcodes now in use in London Colney came into use in January 2020 or later, ONS says. In the 12 months to August 2025, 11 of the 130 homes sold in London Colney were newly built (8%), HM Land Registry's records show; across the AL2 district, 5%.

The newest postcodes

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 London ColneyAcross the AL2 district
The 12 months to August 2026 0 of 92 (0%) 2 of 263 (Under 1%)
The 12 months to August 2025 11 of 130 (8%) 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 London Colney?

Ofcom reports on 211 of the 213 postcodes in London Colney. At 190 of them every home and business can get gigabit broadband.

Postcodes where every home can get gigabit190 of 211
Postcodes where every home can get superfast202 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 London Colney at risk of flooding?

38 of the 213 postcodes in London Colney have a home or business in an area at risk of flooding from rivers or the sea, the Environment Agency says. At those, it puts 192 homes and businesses in an area at high or medium risk.

Homes and businesses in an area at risk, at 38 of 213 postcodes High: 140Medium: 52Low: 105

High: 3.3% or more a year (1 in 30). Medium: 1% to 3.3% a year. Low: 0.1% to 1% a year. Very low: under 0.1% a year (1 in 1,000). Each band is the chance of flooding in any one year.

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 London Colney?

The primary schools are at the postcodes in London Colney. There is no secondary school at its postcodes; these are the nearest to its middle. Distances are straight lines from the middle of its postcodes. Distance is not a catchment: each council sets its own admission rules.

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 London Colney?

The nearest railway station to the centre point of the postcodes in London Colney is Park Street Rail Station, 3.0 km away in a straight line.

  • Park Street Rail Station Railway station 3.0 kmCycle
  • How Wood (Herts) Rail Station Railway station 3.4 kmCycle
  • St Albans City Rail Station Railway station 3.7 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 London Colney?

The GP practices at the postcodes in London Colney. 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 London Colney safe? Crime recorded around it

Police.uk records 1,381 crimes and reports of anti-social behaviour within a mile of the middle of the postcodes in London Colney 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. 90 September 2025
  2. 116 October 2025
  3. 115 November 2025
  4. 108 December 2025
  5. 99 January 2026
  6. 81 February 2026
  7. 120 March 2026
  8. 101 April 2026
  9. 130 May 2026
  10. 126 June 2026
  11. 148 July 2026
  12. 147 August 2026

By kind, over the 12 months

Other theft397 reports
Violence and sexual offences343 reports
Shoplifting204 reports
Anti-social behaviour142 reports
Vehicle crime66 reports
Criminal damage and arson56 reports
Public order53 reports
Burglary41 reports

Also: drugs 26, robbery 21, other crime 14, possession of weapons 8, theft from the person 7, bicycle theft 3.

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 London Colney?

Councils
St Albans (209) and Hertsmere (4)
County council
Hertfordshire
Parliamentary constituencies
St Albans (209) and Hertsmere (4)
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 London Colney

Who to tell and what to sort out in your first week. Most of London Colney is in St Albans; near its edge, check which council a postcode is in.

London Colney postcodes

213 postcodes in use in London Colney, by district:

Those districts are all in the AL postcode area.

Check a London Colney 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 London Colney

With the typical price of a home in each, to set beside London Colney's £416,250. Distances are straight lines between the middles of each place's postcodes.

Questions about London Colney

What is it like to live in London Colney?
Homes sold for a typical £416,250 in the 12 months to August 2026, down 0.6% on the 12 months before. At 190 of the 211 postcodes Ofcom reports on, every home and business can get gigabit broadband. The Environment Agency counts 192 homes and businesses at high or medium risk of flooding from rivers or the sea, at 38 of its 213 postcodes. It has 3 primary schools at its postcodes. 2 GP practices are at its postcodes. The nearest railway station is Park Street, 3.0 km 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 London Colney?
London Colney is covered by postcode districts AL1, AL2 and AL4, across 213 postcodes in use. Source: ONS Postcode Directory.
How much are houses in London Colney?
Homes in London Colney sold for a typical £416,250 in the 12 months to August 2026, across 92 sales, down 0.6% on the 12 months before. Source: HM Land Registry Price Paid Data, files dated 28 September 2026.
What schools are in London Colney?
In London Colney, primary schools at its postcodes include Bowmansgreen Primary School, London Colney Primary & Nursery School and Saint Bernadette Voluntary Catholic Primary Academy; the nearest secondary school to the middle of its postcodes is Samuel Ryder Academy, 2.0 km away in a straight line. Source: Department for Education, Get Information about Schools, read 17 October 2026.
Does London Colney have a railway station?
The nearest railway station to the centre point of the postcodes in London Colney is Park Street, 3.0 km away in a straight line. Source: Department for Transport, NaPTAN, read 17 October 2026.
What broadband can you get in London Colney?
Ofcom reports on 211 of the 213 postcodes in London Colney. At 190 of them every home and business can get gigabit broadband. Source: Ofcom, Connected Nations, Spring 2026.
Is London Colney at risk of flooding?
38 of the 213 postcodes in London Colney have a home or business in an area at risk of flooding from rivers or the sea, the Environment Agency says. At those, it puts 192 homes and businesses in an area at high or medium risk. This is long-term risk for the land, and leaves out surface water. Source: Environment Agency.
Are new homes being built in London Colney?
2 of the 213 postcodes now in use in London Colney came into use in January 2020 or later, ONS says. In the 12 months to August 2025, 11 of the 130 homes sold in London Colney were newly built (8%), 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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