21 K D Tower, Cotterells, Hemel Hempstead, HP1 1AS
About 21 K D Tower
21 K D Tower is a one-bedroom mid-terrace house in Hemel Hempstead (HP1 1AS). It has a recorded floor area of 49 m² (around 527 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (December 2020) shows a C (score 69), just inside the C band. When first surveyed in September 2010 the rating was D, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Very Poor to Poor and lighting went from Average to Very Good; while wall efficiency dropped from Very Good to Very Poor and window efficiency dropped from Very Good to Average. Main heating runs on electricity. At 49 m² this is the 12th smallest of 84 units on EPC record in the building, where floor areas span 43–95 m². The building's EPC ratings span E to B across 84 units on file.
It hasn't traded since January 2011, a hold of 15 years that's notably long for the area.
What this property has
Inside
- Bedrooms1
- Bathrooms1
Outside
- Private gardenYes
- ParkingYes
Building
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water system upgraded
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
21 K D Tower 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
£196,000
Modelled from EPC, postcode comparables.
£184,275
Recorded with HM Land Registry.
Sales timeline
5 January 2011Most recent
£184,275
Median price across the last 5 sales in HP1 1AS: £228,000 (2025–2020).
Nearby sales in HP1 1AS
67 K D Tower, Cotterells, Hemel Hempstead, HP1 1AS
Sold Jun 2025
£220,00028 K D Tower, Cotterells, Hemel Hempstead, HP1 1AS
Sold Oct 2024
£182,00036 K D Tower, Cotterells, Hemel Hempstead, HP1 1AS
Sold Nov 2023
£228,00059 K D Tower, Cotterells, Hemel Hempstead, HP1 1AS
Sold Apr 2022
£275,00017 K D Tower, Cotterells, Hemel Hempstead, HP1 1AS
Sold Jun 2020
£245,000
Versus other Cotterells homes
Years Held for 21 K D Tower runs comfortably ahead of the street norm.
Price per m²
£3,761
Street avg £3,542
Floor Area
49 m²
Street avg 59 m²
Habitable Rooms
2 rooms
Street avg 2 rooms
CO₂ Emissions
2.4 t/year
Street avg 2.0 t/year
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The neighbourhood at a glance
Crime
16/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Riverside — bus stop.
Closest school
0.5 km
The Hemel Hempstead School. 30 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
55.7dB

Night-time· 23:00 – 07:00
46.5dB







