3 The Square, Marlowes, Hemel Hempstead, HP1 1ER
About 3 The Square
3 The Square is a mid-terrace house in Hemel Hempstead (HP1 1ER). It has a recorded floor area of 27 m² (around 291 sq ft), construction records dating it to 1950-1966 and council tax band A. At 27 m² this is the 2nd smallest of 16 units on EPC record in the building, where floor areas span 27–63 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (November 2018) shows a C (score 71).
Across 2003–2025, sale prices on this property compounded at 12.3% per year. Today's modelled estimate of £150,000 is 83.5% below the 2025 sale of £910,000, an unusual pattern given regional price growth and worth checking against the EPC condition. On a £-per-square-foot basis, the last sale (£3,131/sq ft) was about 2225% above the typical sold price in the postcode. Most recent transfer was August 2025 at £910,000 — fresh data. Across the public record there are 4 sales, relatively high churn for a single property.
Energy performance
3 The Square's carbon output is low for the local stock.
EPC Rating
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Planning history
3 The Square has no planning applications on record.
But the area is active
2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Latest sale on 3 The Square was the highest on Land Registry record across the postcode.
£150,000
Modelled from EPC, postcode comparables and a sale-price growth of 12.3% per year over 22 years.
£910,000
Growth on file: 12.3% per year over 22 years.
Sales timeline
5 August 2025Most recent
£910,000
+810.0%over 7 years23 March 2018
£100,000
+14.2%over 12 years20 October 2005
£87,550
+30.8%over 2 years28 February 2003
£66,950
Median price across the last 5 sales in HP1 1ER: £120,000 (2023–2014).
Nearby sales in HP1 1ER
12 The Square, Marlowes, Hemel Hempstead, HP1 1ER
Sold Nov 2023
£120,00011 The Square, Marlowes, Hemel Hempstead, HP1 1ER
Sold Jul 2023
£115,00016 The Square, Marlowes, Hemel Hempstead, HP1 1ER
Sold Sept 2020
£120,0002 The Square, Marlowes, Hemel Hempstead, HP1 1ER
Sold Sept 2011
£92,5006 The Square, Marlowes, Hemel Hempstead, HP1 1ER
Sold May 2011
£68,000
Versus other The Square homes
On price per m², 3 The Square stands well clear of the street.
Price per m²
£33,704
Street avg £2,024
Floor Area
27 m²
Street avg 41 m²
Habitable Rooms
2 rooms
Street avg 2 rooms
CO₂ Emissions
1.3 t/year
Street avg 2.7 t/year
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The neighbourhood at a glance
Crime
16/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Combe Street — bus stop.
Closest school
0.5 km
South Hill Primary School. 32 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
52.3dB

Night-time· 23:00 – 07:00
42.2dB







