Chalkdell House, Flat 28, 42 Loweswater Close, Watford, WD25 0TA
About Chalkdell House
Chalkdell House is a semi-detached house in Watford (WD25 0TA). It has a recorded floor area of 68 m² (around 732 sq ft) and construction records dating it to 2003-2006. At 68 m² this is the largest unit on EPC record across Chalkdell House (41–68 m²). The building's EPC ratings span C to B, with this unit at the bottom. The latest certificate (May 2020) shows a C (score 78), near the top of the C band. Earlier certificates rated it B (June 2010); the latest reading is one band lower. Between certificates, roof efficiency went from Good to Very Good and lighting went from Very Poor to Very Good.
At 68 m² it's 21.4% larger than the typical home in the postcode (56 m² median across 27 EPCs). Across 2004–2017, sale prices on this property compounded at 4.1% per year. On a £-per-square-foot basis, the last sale (£417/sq ft) was about 52% above the typical sold price in the postcode. Last changed hands 10 years ago, in February 2017.
Energy performance
EPC Rating
Certificate validity
Valid until 20 May 2030
Property Improvements
Changes detected from historical EPC data
Loft insulation upgraded to recommended levels
More low energy lighting installed
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Planning history
Chalkdell House 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 Chalkdell House was the highest on Land Registry record across the postcode.
£317,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.1% per year over 13 years.
£305,000
Growth on file: 4.1% per year over 13 years.
Sales timeline
10 February 2017Most recent
£305,000
+64.9%over 12 years21 July 2004
£185,000
Median price across the last 5 sales in WD25 0TA: £250,000 (2022–2020).
Nearby sales in WD25 0TA
Chalkdell House, Flat 22, 42 Loweswater Close, Watford, WD25 0TA
Sold Mar 2022
£235,000Chalkdell House, Flat 25, 42 Loweswater Close, Watford, WD25 0TA
Sold May 2021
£235,000Chalkdell House, Flat 7, 42 Loweswater Close, Watford, WD25 0TA
Sold May 2021
£260,000Chalkdell House, Flat 2, 42 Loweswater Close, Watford, WD25 0TA
Sold Feb 2020
£250,000Chalkdell House, Flat 17, 42 Loweswater Close, Watford, WD25 0TA
Sold Jan 2020
£280,000
Versus other Loweswater Close homes
Floor Area for Chalkdell House runs comfortably ahead of the street norm.
Price per m²
£4,485
Street avg £3,368
Floor Area
68 m²
Street avg 54 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
1.6 t/year
Street avg 1.1 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
214/mo
Falling year-on-year across the wider district.
Nearest stop
0.2 km
Three Horseshoes PH West — bus stop.
Closest school
0.4 km
St Catherine of Siena Catholic Primary School. 23 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
54.5dB

Night-time· 23:00 – 07:00
46.9dB







