21 Church Road, Watford, WD17 4PY
About 21 Church Road
21 Church Road is an end-of-terrace house in Watford (WD17 4PY). It has a recorded floor area of 46 m² (around 495 sq ft), construction records dating it to before 1900 and council tax band D. The latest certificate (June 2024) shows a D (score 66), on the cusp of jumping into the C band. When first surveyed in October 2020 the rating was G, the property has climbed 3 bands since. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Very Poor to Average and window efficiency went from Very Poor to Good. The recommended improvements would lift it to B (score 88), a 2-band jump.
Held since August 2005 — that's 21 years off the open market, well above the local norm. Across 1995–2005, sale prices on this property compounded at 11.8% per year. Today's modelled estimate of £417,000 sits 95.8% above the 2005 sale of £213,000. On a £-per-square-foot basis, the last sale (£430/sq ft) was about 19.7% above the typical sold price in the postcode. At 46 m² it's 18.6% smaller than the typical home in the postcode (57 m² median across 30 EPCs). One historical planning record sits against the property in 2019.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Certificate validity
Valid until 9 June 2034
Property Improvements
Changes detected from historical EPC data
Upgraded to gas central heating
Fuel source changed
Hot water system upgraded
Single glazing replaced with double or better glazing
Wall insulation improved
Loft insulation installed or upgraded to 250mm+
Floor insulation added or improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,020 · Includes VAT
Planning history
1 application on record at 21 Church Road, Watford, WD17 4PY
- May 2019RenovationFullOutcome in report
Replacement railings to front of property to match the original when cottage was first built.
- Documents
- 10 docs on file
- Reference
- 19/00299/FULH
Unlock 21 Church Road, Watford, WD17 4PY's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 3 notable nearby
- The 10 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
21 Church Road has more than tripled in price since its earliest registered sale in 1995.
£417,000
Modelled from EPC, postcode comparables and a sale-price growth of 11.8% per year over 10 years.
£213,000
Growth on file: 11.8% per year over 10 years.
Sales timeline
9 August 2005Most recent
£213,000
+213.5%over 10 years24 May 1995
£67,950
Median price across the last 5 sales in WD17 4PY: £420,000 (2025–2023).
Versus other Church Road homes
21 Church Road is notably below the street on floor area.
Price per m²
£4,630
Street avg £6,027
Floor Area
46 m²
Street avg 84 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
CO₂ Emissions
2.3 t/year
Street avg 3.4 t/year
Similar properties nearby
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
266/mo
Falling year-on-year across the wider district.
Nearest stop
0.2 km
Railway Bridge — bus stop.
Closest school
0.7 km
Nascot Wood Infant and Nursery School. 36 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
50.9dB

Night-time· 23:00 – 07:00
41.1dB







