23 Chalk Hill, Watford, WD19 4BL
About 23 Chalk Hill
23 Chalk Hill is an end-of-terrace house in Watford (WD19 4BL). It has a recorded floor area of 189 m² (around 2034 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (September 2025) shows a C (score 69), just inside the C band. When first surveyed in September 2012 the rating was E, the property has climbed 2 bands since. Between certificates, roof efficiency went from Very Poor to Good and window efficiency went from Poor to Average; while lighting dropped from Very Good to Good. The recommended improvements would push it to B (score 83).
At 189 m² the property is well over the postcode median (48 m² across 14 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. 2 planning records sit against the property, 1 approved, 0 refused. Past consents include a loft conversion, meaningful when judging how the property has evolved. Across 2013–2021, sale prices on this property compounded at 11.2% per year. Today's modelled estimate of £747,000 is 49.4% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£246/sq ft) was about 34.8% above the typical sold price in the postcode. Last sale on file: £500,000 in March 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Everything you need to know about 23 Chalk Hill
The true value, the hidden risks and the full sale history, in one report.
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The data behind every report
Energy performance
23 Chalk Hill ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
Loft insulation installed or upgraded to 250mm+
Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
- Jul 2014DemolitionFullIn report
Extension: Rear of property
Retrospective application for existing double storey rear extension to be demolished and rebuilt to same dimensions.
RetrospectiveExtension- Documents
- 15 docs on file
- Reference
- 14/00759/FULH
- May 2013Loft ConversionAmendmentIn report
Lawful development certificate for conversion of the loft space into a habitable room including associated works of physical alteration incorporating the installation of a dormer window to the rear.
- Documents
- 27 docs on file
- Reference
- 13/00296/LDC
We flagged 1 thing worth checking at 23 Chalk Hill
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Larger development activity nearby
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Sales history & valuation
23 Chalk Hill has more than doubled in price since the earliest registered sale in 2013.
£747,000
Modelled from EPC, postcode comparables and a sale-price growth of 11.2% per year over 8 years.
£500,000
Growth on file: 11.2% per year over 8 years.
Sales timeline
15 March 2021Most recent
£500,000
+138.1%over 8 years11 January 2013
£210,000
Median price across the last 5 sales in WD19 4BL: £324,000 (2022–2019).
Versus other Chalk Hill homes
23 Chalk Hill outperforms the street on epc rating by a wide margin.
Price per m²
£2,646
Street avg £4,084
Floor Area
189 m²
Street avg 85 m²
Habitable Rooms
8 rooms
Street avg 5 rooms
CO₂ Emissions
5.8 t/year
Street avg 4.0 t/year
Everything you need to know about 23 Chalk Hill
The true value, the hidden risks and the full sale history, in one report.
30-day money-back guarantee
The data behind every report
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Bushey Railway Station East — bus stop.
Closest school
0.3 km
Bushey and Oxhey Infant School. 33 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode
Daytime· 07:00 – 23:00
53.5dB
Night-time· 23:00 – 07:00
44.3dB