AL5 4NH
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Property report — AL5 4NH
Open-data due diligence for AL5 4NH and the area around it.
AL5 4NH in brief: 44 recorded sales (£52,000–£320,000) · low flood risk · 6 schools nearby.
What scope is each figure? Sold sales, broadband and flood risk are for AL5 4NH itself. Where open data isn't published that finely (population, crime, schools), we show the AL5 4 sector — each figure below is tagged with its scope.
Avg sold price
£718,729
Population
17,732
Crimes recorded
37
Schools
6
Flood risk
Low
Gigabit broadband
95%
Sold-price trend (1995–2026)
Annual sold price in AL5 4, 1995–2026 — mean (blue) and median (terracotta). The median is the typical sale; a wide gap to the mean means a few high-value sales pull the average up. 2026 is a part year (18 sales so far). Hover a point for both figures. Source: HM Land Registry Price Paid.
Sold prices on this postcode
| Date | Price | Address | Type |
|---|---|---|---|
| 2025-08-20 | £261,000 | 82 COLDHARBOUR LANE | Flat |
| 2025-06-30 | £305,000 | 68 COLDHARBOUR LANE | Flat |
| 2022-12-09 | £320,000 | 62 COLDHARBOUR LANE | Flat |
| 2022-07-19 | £285,000 | 84 COLDHARBOUR LANE | Flat |
| 2021-10-20 | £286,500 | 56 COLDHARBOUR LANE | Flat |
| 2021-06-25 | £265,000 | 76 COLDHARBOUR LANE | Flat |
| 2018-06-29 | £283,000 | 64 COLDHARBOUR LANE | Flat |
| 2016-12-21 | £270,750 | 78 COLDHARBOUR LANE | Flat |
| 2015-07-10 | £270,000 | 54 COLDHARBOUR LANE | Flat |
| 2015-06-19 | £252,000 | 58 COLDHARBOUR LANE | Flat |
| 2014-12-05 | £260,000 | 82 COLDHARBOUR LANE | Flat |
| 2012-05-18 | £171,000 | 88 COLDHARBOUR LANE | Flat |
| 2012-03-16 | £216,000 | 86 COLDHARBOUR LANE | Flat |
| 2010-12-15 | £204,000 | 82 COLDHARBOUR LANE | Flat |
| 2008-06-11 | £220,000 | 64 COLDHARBOUR LANE | Flat |
| 2008-05-01 | £196,500 | 86 COLDHARBOUR LANE | Terraced |
| 2007-12-14 | £200,500 | 70 COLDHARBOUR LANE | Flat |
| 2007-11-23 | £212,500 | 62 COLDHARBOUR LANE | Flat |
| 2007-08-24 | £210,000 | 58 COLDHARBOUR LANE | Terraced |
| 2007-07-20 | £204,000 | 82 COLDHARBOUR LANE | Flat |
| 2007-03-02 | £200,000 | 54 COLDHARBOUR LANE | Flat |
| 2006-12-06 | £199,950 | 50 COLDHARBOUR LANE | Flat |
| 2005-09-30 | £171,000 | 64 COLDHARBOUR LANE | Flat |
| 2004-12-16 | £175,000 | 74 COLDHARBOUR LANE | Flat |
| 2004-06-11 | £179,950 | 66 COLDHARBOUR LANE | Flat |
| 2003-09-26 | £157,500 | 68 COLDHARBOUR LANE | Flat |
| 2003-05-23 | £158,950 | 56 COLDHARBOUR LANE | Flat |
| 2003-01-17 | £149,000 | 50 COLDHARBOUR LANE | Flat |
| 2002-12-19 | £139,950 | 82 COLDHARBOUR LANE | Flat |
| 2002-10-25 | £142,000 | 68 COLDHARBOUR LANE | Flat |
| 2002-10-04 | £135,000 | 66 COLDHARBOUR LANE | Flat |
| 2002-08-02 | £142,950 | 62 COLDHARBOUR LANE | Flat |
| 2002-04-26 | £115,000 | 78 COLDHARBOUR LANE | Flat |
| 2001-08-07 | £119,950 | 56 COLDHARBOUR LANE | Flat |
| 2001-05-10 | £106,500 | 76 COLDHARBOUR LANE | Detached |
| 2000-01-27 | £91,500 | 64 COLDHARBOUR LANE | Flat |
| 1999-09-24 | £89,500 | 50 COLDHARBOUR LANE | Flat |
| 1999-07-05 | £78,000 | 82 COLDHARBOUR LANE | Flat |
| 1999-04-30 | £77,000 | 58 COLDHARBOUR LANE | Terraced |
| 1997-12-19 | £63,000 | 68 COLDHARBOUR LANE | Flat |
| 1996-12-03 | £54,950 | 52 COLDHARBOUR LANE | Flat |
| 1996-10-04 | £52,000 | 78 COLDHARBOUR LANE | Flat |
| 1995-06-30 | £52,000 | 74 COLDHARBOUR LANE | Flat |
| 1995-02-09 | £52,700 | 64 COLDHARBOUR LANE | Flat |
44 recorded sales on AL5 4NH. Source: HM Land Registry Price Paid (© Crown copyright). Shown for this postcode only.
Nearest schools
| School | Distance | Phase | Ofsted |
|---|---|---|---|
| Manland Primary School | 0.3 mi | Primary | Report card → |
| The Lea Primary School and Nursery | 0.3 mi | Primary | Report card → |
| Sir John Lawes School | 0.4 mi | Secondary | Outstanding (2023) |
| Sauncey Wood Primary School | 0.4 mi | Primary | Report card → |
| St George's School | 0.5 mi | Secondary | Report card → |
| Katherine Warington School | 0.7 mi | Secondary | Good (2024) |
Straight-line distance from the postcode. Ofsted = latest overall effectiveness (newer inspections may be ungraded). Sources: Get Information about Schools (DfE) · Ofsted.
What's nearby
Nearest GP surgeries: ELMS MEDICAL PRACTICE (0.7 mi) · DAVENPORT HOUSE SURGERY (0.9 mi) · VILLAGE SURGERY (1.1 mi)
Nearest hospitals: SPIRE HARPENDEN HOSPITAL (0.6 mi) · HARPENDEN MEMORIAL HOSPITAL (0.7 mi) · ST. ALBANS CITY HOSPITAL (4.7 mi)
Nearest listed buildings: THE RED COW PUBLIC HOUSE (Grade II) (0.2 mi) · THE THATCHED COTTAGE (ON CORNER OF LOWER LUTON ROAD) (Grade II) (0.7 mi) · Marquis of Granby (Grade II) (0.7 mi)
Nearest pharmacies: BOOTS (0.9 mi) · SPRINGFIELD PHARMACY (0.9 mi) · TOPKINS PHARMACY (1.0 mi)
Nearest stations: Harpenden (1.0 mi) · Luton Airport DART (3.7 mi) · Luton Airport Parkway (3.7 mi)
Nearest supermarkets: Sainsbury's (0.9 mi) · M&S Simply Food (1.0 mi) · Waitrose (1.0 mi)
Straight-line distance from the postcode. Source: NaPTAN (DfT).
Who lives here
- Median age
- 42
- One-person households
- 28%
- Households with children
- 37%
- Households
- 6,951
Owned 73% · Social rent 8% · Private rent 19%
Census 2021 (ONS), for AL5 4.
Recorded crime trend
Recorded crimes per month in AL5 4 (May 24–Apr 26, average 43/month). Hover a point to read the count. Source: Police.uk street-level data.
Flood risk
This is an indicative band for the postcode from the Environment Agency's catchment modelling (rivers and surface water), not a property-specific assessment. A conveyancer will run an official flood search before you buy. Check the exact address on the official Environment Agency map →
Source: Environment Agency Risk of Flooding from Rivers and Sea (the official dataset name). Indicative catchment data, not an official property flood search.
How granular is this?
| Measure | DistrictAL5 | SectorAL5 4 | PostcodeAL5 4NH |
|---|---|---|---|
| Average sold price | £928,225 | £718,729 | £177,184 |
| Population | 39,953 | 17,732 | — |
| Deprivation decile (1 = most deprived) | 10/10 | 10/10 | — |
| Crimes recorded | 160 | 37 | — |
| Schools | 21 | 6 | — |
| Flood risk | High | High | Low |
| Gigabit broadband | 91% | 95% | 100% |
| Superfast broadband | 98% | 98% | 100% |
— = no separate figure is published at that level. Most open data is published down to the sector (AL5 4); the postcode column is built from the layers that go finer (sold transactions, Ofcom broadband). Sources: HM Land Registry · Police.uk · Ofsted/GIAS · ONS & IoD2025 · Environment Agency · Ofcom.
Your next steps
Get the official title document
The HM Land Registry title register shows the legal owner, price paid and any charges or covenants. Official copy, £7.
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Report generated 1 July 2026. Open data is refreshed periodically; HM Land Registry Price Paid typically lags by around two months, so the most recent sales may not appear yet.
Contains OS data © Crown copyright and database right 2026
Contains Royal Mail data © Royal Mail copyright and database right 2026
Contains National Statistics data © Crown copyright and database right 2026
Indicative due diligence compiled from public open data. Not a substitute for a regulated conveyancing or property search, a survey, or professional advice.