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Old Post House, Flat 1, 20 Arden Grove, Harpenden, AL5 4SJ
This 102 square metre property in Harpenden carries an energy performance rating of C, which is above the national average. The property is heated by a gas central heating system. The property last sold for £625,000 in January 2015.
Property Type
Mid Floor Flat
Bedrooms
2
Floor Area
102 m²
Council Tax
Band N/A
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Energy Performance
EPC rating and efficiency details
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 04 Sept 2024
EPC Rating
A
B
C
C76
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Very Good
CO2 Emissions
2.7 t/year
Tenure
—
Price & History
Transactions and market trends
Estimated value
£633,000
How our AI predicts property prices · Accurate to within 10%
Automated estimate only. For an accurate valuation, consult a surveyor or estate agent.
Transaction history
£625,000Latest
Jan 2015Source: HM Land Registry
Nearby in AL5 4SJ
16 Arden Grove Harpenden AL5 4SJ
Feb 2025
£1,460,000
Old Post House Flat 7 20 Arden Grove Harpenden AL5 4SJ
Sept 2024
£885,000
Arden Court Flat 10 Arden Grove Harpenden AL5 4SJ
Sept 2024
£622,500
15 Arden Grove Harpenden AL5 4SJ
May 2023
£1,675,000
1b Arden Grove Harpenden AL5 4SJ
Oct 2022
£280,500
12 Arden Grove Harpenden AL5 4SJ
Sept 2022
£1,050,000
1 / 5
House Price Index
England+1.6%
101.5
Feb 26
UK HPI from HM Land Registry. Baseline: Jan 2015 = 100.
How This Property Compares on Arden Grove
See how this property stacks up against others nearby
Comparing to 20 other flats on this street
Price per m²
Property value per square metre of floor space
£6,127/£6,316 avg
LowerHigher
Higher than only 37% of similar properties
Years Held
Time since last sale — indicates ownership stability
11 years/8 years avg
ShorterLonger
Held longer than 79% of similar properties
EPC Rating
Government energy efficiency score (1–100)
76 (C)/74 (C) avg
Less efficientMore efficient
Around average
Floor Area
Total internal floor space
102 m²/88 m² avg
SmallerLarger
Larger than 80% of similar properties
CO₂ Emissions
Annual carbon output from heating, hot water & lighting
2.7 t/year/2.6 t/year avg
Higher emissionsLower emissions
Around average
Comparisons are based on the most recent EPC data for each property in this postcode. Only similar property types (flats) are compared.
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New sales, price changes, and market updates in this area
Places to visit
Crime Analysis
6 months of data for Harpenden
Total Crimes
11
Monthly Avg
2
Recent Trend
Stable
Most Common
Other Theft
Crime by Category
Other Theft4(36%)
Vehicle Crime3(27%)
Burglary2(18%)
Public Order1(9%)
Violence & Sexual1(9%)
Recent Incidents
Other Theft
Oct 2025On or near Park Rise Close
Other Theft
Oct 2025On or near Park Rise Close
Burglary
Oct 2025On or near Poynings Close
Vehicle Crime
Oct 2025On or near Connaught Road
Burglary
Sept 2025On or near Connaught Road
Vehicle Crime
Sept 2025On or near Poynings Close
Data from Police UK • Updated monthly
Local Amenities
Schools and transport links nearby
Nearby Schools
17 within 3kmP
Harpenden Academy
170m
2 mins
P
St Dominic Catholic Primary School
307m
4 mins
P
St Nicholas CofE VA Primary School
493m
6 mins
S
St George's School
889m
11 mins
S
Sir John Lawes School
1.0km
12 mins
S
Katherine Warington School
1.5km
18 mins
Transport Links
30 within 3kmHarpenden Rail Station
Rail83m
1 min
Harpenden Railway Station
Bus Stop88m
1 min
The George PH
Bus Stop188m
2 mins
Day Centre
Bus Stop227m
3 mins
The Cedars
Bus Stop235m
3 mins
Amenbury Lane
Bus Stop242m
3 mins
School data from Dept. for Education • Transport data from NaPTAN
Nearby Property Businesses
Local professionals serving this area
Surveyor
PJS ASSOCIATES
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Lewis Ward Associates
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Crest Surveyors Ltd
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MB Surveyors
Harpenden
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Surveyor
J M Consultants
Harpenden
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Aedifice Partnership
Harpenden
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Surveyor
David Hamilton & Associates
Harpenden
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Surveyor
2110 Consult
Harpenden
RICSResidential
Map
47 points of interest nearby
Map data from OpenStreetMap • Transport data from NaPTAN • School data from Dept. for Education • Scenic data from Beautifulplaces.ai
Frequently Asked Questions
Common questions about this property