Postcode · AL5 1DP

AL5 1DP

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Property report — AL5 1DP

Open-data due diligence for AL5 1DP and the area around it.

AL5 1DP in brief: 31 recorded sales (£36,000–£405,000) · no modelled flood risk · 6 schools nearby.

What scope is each figure? Sold sales, broadband and flood risk are for AL5 1DP itself. Where open data isn't published that finely (population, crime, schools), we show the AL5 1 sector — each figure below is tagged with its scope.

Avg sold price

£834,156

sector AL5 1 · 103 sales

Population

15,320

sector AL5 1

Crimes recorded

23

sector AL5 1 · Apr 26

Schools

4

sector AL5 1

Flood risk

None modelled

this postcode

Gigabit broadband

90%

sector AL5 1 of premises

Sold-price trend (1995–2026)

1995: mean £110,936, median £106,500 (98 sales)1996: mean £127,342, median £110,000 (157 sales)1997: mean £136,448, median £129,000 (139 sales)1998: mean £160,462, median £145,000 (119 sales)1999: mean £181,800, median £156,250 (148 sales)2000: mean £215,996, median £179,950 (140 sales)2001: mean £226,796, median £206,000 (170 sales)2002: mean £259,829, median £225,500 (150 sales)2003: mean £308,289, median £250,000 (170 sales)2004: mean £319,181, median £289,950 (119 sales)2005: mean £325,337, median £287,000 (143 sales)2006: mean £321,624, median £296,000 (196 sales)2007: mean £437,468, median £351,000 (142 sales)2008: mean £414,466, median £345,000 (75 sales)2009: mean £412,801, median £312,500 (91 sales)2010: mean £477,674, median £395,000 (127 sales)2011: mean £451,537, median £381,000 (105 sales)2012: mean £451,946, median £390,000 (109 sales)2013: mean £469,474, median £407,500 (109 sales)2014: mean £546,204, median £481,250 (118 sales)2015: mean £608,677, median £541,750 (108 sales)2016: mean £625,851, median £550,000 (129 sales)2017: mean £635,384, median £555,000 (111 sales)2018: mean £635,365, median £572,500 (126 sales)2019: mean £693,597, median £607,500 (114 sales)2020: mean £730,592, median £667,500 (106 sales)2021: mean £752,538, median £655,000 (166 sales)2022: mean £808,023, median £695,000 (117 sales)2023: mean £721,130, median £695,000 (102 sales)2024: mean £834,156, median £695,000 (103 sales)2025: mean £756,123, median £700,000 (91 sales)2026: mean £766,349, median £740,000 (17 sales)1995: mean £110,936, median £106,500 (98 sales)1996: mean £127,342, median £110,000 (157 sales)1997: mean £136,448, median £129,000 (139 sales)1998: mean £160,462, median £145,000 (119 sales)1999: mean £181,800, median £156,250 (148 sales)2000: mean £215,996, median £179,950 (140 sales)2001: mean £226,796, median £206,000 (170 sales)2002: mean £259,829, median £225,500 (150 sales)2003: mean £308,289, median £250,000 (170 sales)2004: mean £319,181, median £289,950 (119 sales)2005: mean £325,337, median £287,000 (143 sales)2006: mean £321,624, median £296,000 (196 sales)2007: mean £437,468, median £351,000 (142 sales)2008: mean £414,466, median £345,000 (75 sales)2009: mean £412,801, median £312,500 (91 sales)2010: mean £477,674, median £395,000 (127 sales)2011: mean £451,537, median £381,000 (105 sales)2012: mean £451,946, median £390,000 (109 sales)2013: mean £469,474, median £407,500 (109 sales)2014: mean £546,204, median £481,250 (118 sales)2015: mean £608,677, median £541,750 (108 sales)2016: mean £625,851, median £550,000 (129 sales)2017: mean £635,384, median £555,000 (111 sales)2018: mean £635,365, median £572,500 (126 sales)2019: mean £693,597, median £607,500 (114 sales)2020: mean £730,592, median £667,500 (106 sales)2021: mean £752,538, median £655,000 (166 sales)2022: mean £808,023, median £695,000 (117 sales)2023: mean £721,130, median £695,000 (102 sales)2024: mean £834,156, median £695,000 (103 sales)2025: mean £756,123, median £700,000 (91 sales)2026: mean £766,349, median £740,000 (17 sales) MeanMedian £834,156 £106,500 1995 2026*

Annual sold price in AL5 1, 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 (17 sales so far). Hover a point for both figures. Source: HM Land Registry Price Paid.

Sold prices on this postcode

DatePriceAddressType
2025-02-17£270,00013 COSNE MEWSFlat
2023-11-01£215,0008 COSNE MEWSFlat
2018-06-15£405,00012 COSNE MEWSSemi-detached
2018-02-19£385,0002 COSNE MEWSSemi-detached
2017-07-06£190,0008 COSNE MEWSFlat
2017-03-30£199,95010 COSNE MEWSFlat
2016-03-24£347,50012 COSNE MEWSSemi-detached
2014-06-06£150,0008 COSNE MEWSFlat
2011-05-04£292,9501 COSNE MEWSSemi-detached
2010-06-07£117,00010 COSNE MEWSFlat
2010-02-16£230,0001 COSNE MEWSSemi-detached
2009-03-27£219,9506 COSNE MEWSTerraced
2006-04-11£120,0009 COSNE MEWSFlat
2006-03-31£120,0008 COSNE MEWSTerraced
2005-11-25£200,0002 COSNE MEWSSemi-detached
2003-03-24£195,0002 COSNE MEWSSemi-detached
2002-06-06£95,0007 COSNE MEWSFlat
2001-06-29£57,5008 COSNE MEWSFlat
2001-03-27£69,9509 COSNE MEWSFlat
2001-02-09£74,95010 COSNE MEWSFlat
2000-12-18£70,0007 COSNE MEWSFlat
1999-08-20£126,00012 COSNE MEWSSemi-detached
1999-07-23£113,0002 COSNE MEWSSemi-detached
1999-05-17£44,5005 COSNE MEWSTerraced
1999-03-16£105,0001 COSNE MEWSSemi-detached
1998-09-30£53,5008 COSNE MEWSFlat
1998-07-31£95,0006 COSNE MEWSTerraced
1997-11-07£74,9505 COSNE MEWSTerraced
1997-07-03£89,95012 COSNE MEWSSemi-detached
1997-06-30£86,9502 COSNE MEWSSemi-detached
1996-08-16£36,00010 COSNE MEWSFlat

31 recorded sales on AL5 1DP. Source: HM Land Registry Price Paid (© Crown copyright). Shown for this postcode only.

Nearest schools

SchoolDistancePhaseOfsted
The Grove Junior School0.4 miPrimaryReport card →
The Grove Infant and Nursery School0.4 miPrimaryOutstanding (2023)
St Dominic Catholic Primary School0.5 miPrimaryOutstanding (2023)
High Beeches Primary School0.6 miPrimaryReport card →
Crabtree Infants' School0.7 miPrimaryOutstanding (2024)
Crabtree Junior School0.7 miPrimaryOutstanding (2023)

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: VILLAGE SURGERY (0.8 mi) · DAVENPORT HOUSE SURGERY (0.8 mi) · ELMS MEDICAL PRACTICE (0.9 mi)

Nearest hospitals: HARPENDEN MEMORIAL HOSPITAL (0.9 mi) · SPIRE HARPENDEN HOSPITAL (1.6 mi) · ST. ALBANS CITY HOSPITAL (3.2 mi)

Nearest listed buildings: RAILWAY BRIDGE OVER SOUTHDOWN ROAD (Grade II) (0.1 mi) · TOPSTREET FARMHOUSE (Grade II) (0.4 mi) · FLOWTON PRIORY (Grade II) (0.4 mi)

Nearest pharmacies: MANOR PHARMACY (0.1 mi) · TOPKINS PHARMACY (0.7 mi) · MANOR PHARMACY (0.7 mi)

Nearest stations: Harpenden (0.6 mi) · St Albans City (3.9 mi) · St Albans Abbey (4.2 mi)

Nearest supermarkets: Co-op Food (0.1 mi) · Waitrose (0.8 mi) · Sainsbury's (0.8 mi)

Straight-line distance from the postcode. Source: NaPTAN (DfT).

Who lives here

Median age
44
One-person households
24%
Households with children
36%
Households
6,004

Owned 81% · Social rent 5% · Private rent 14%

Census 2021 (ONS), for AL5 1.

Recorded crime trend

May 24: 36 crimesJun 24: 27 crimesJul 24: 34 crimesAug 24: 16 crimesSep 24: 13 crimesOct 24: 26 crimesNov 24: 21 crimesDec 24: 17 crimesJan 25: 26 crimesFeb 25: 29 crimesMar 25: 28 crimesApr 25: 22 crimesMay 25: 20 crimesJun 25: 21 crimesJul 25: 16 crimesAug 25: 25 crimesSep 25: 15 crimesOct 25: 18 crimesNov 25: 22 crimesDec 25: 18 crimesJan 26: 21 crimesFeb 26: 14 crimesMar 26: 24 crimesApr 26: 23 crimes Apr 26: 23 crimes 36 13 May 24 Apr 26

Recorded crimes per month in AL5 1 (May 24–Apr 26, average 22/month). Hover a point to read the count. Source: Police.uk street-level data.

Flood risk

No modelled flood risk is recorded for AL5 1DP in the Environment Agency dataset. This is reassuring but not a guarantee — 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 1 PostcodeAL5 1DP
Average sold price£928,225£834,156£156,439
Population39,95315,320
Deprivation decile (1 = most deprived)10/1010/10
Crimes recorded16023
Schools214
Flood riskHighLowLow
Gigabit broadband91%90%100%
Superfast broadband98%97%100%

— = no separate figure is published at that level. Most open data is published down to the sector (AL5 1); 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

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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.