9 Holywell Road, Watford, WD18 0HT
About 9 Holywell Road
9 Holywell Road is a three-bedroom mid-terrace house in Watford (WD18 0HT). It has a recorded floor area of 103 m² (around 1109 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (July 2020) shows an E (score 54), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since November 2008. The recommended improvements would lift it to B (score 83), a 3-band jump.
At 103 m² the property is well over the postcode median (70 m² across 32 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 88% of similar EPCs). Sold December 2020 for £390,000. Across the public record there are 5 sales, relatively high churn for a single property. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include a loft conversion, meaningful when judging how the property has evolved. Across 1999–2020, sale prices on this property compounded at 6.8% per year. Today's modelled estimate of £470,000 is 20.5% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£352/sq ft) was about 54.3% above the typical sold price in the postcode.
Know exactly what you're buying at 9 Holywell Road
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms3
- Bathrooms2
- Dining roomYes
- EnsuiteYes
- StudyYes
Building
- RefurbishedYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Planning history
- Nov 2007Loft ConversionAmendmentIn report
Converstion of the loft space into habitable room and erection of a rear dormer window
- Documents
- 15 docs on file
- Reference
- 07/01412/LDC
- Sept 2007Loft ConversionFullIn report
Loft conversion involving the installation of a rear dormer
- Documents
- 15 docs on file
- Reference
- 07/00991/FUL
We flagged 1 thing worth checking at 9 Holywell Road
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.
- Signs of HMO activity in the area
30-day money-back guarantee
Sales history & valuation
Sale price has grown by over 3x since 1999.
£470,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.8% per year over 21 years.
£390,000
Growth on file: 6.8% per year over 21 years.
Sales timeline
7 December 2020Most recent
£390,000
+56.0%over 8 years16 March 2012
£249,995
+16.3%over 2 years23 April 2009
£215,000
+28.7%over 4 years8 June 2004
£167,000
+70.4%over 4 years25 November 1999
£98,000
Median price across the last 5 sales in WD18 0HT: £470,000 (2025–2021).
Nearby sales in WD18 0HT
Everything we know about 9 Holywell Road, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area

Versus other Holywell Road homes
EPC Rating for 9 Holywell Road lags the street by a wide margin.
Price per m²
£3,786
Street avg £3,917
Floor Area
103 m²
Street avg 91 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
5.7 t/year
Street avg 3.8 t/year
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The neighbourhood at a glance
Crime
8/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Brightwell Road — bus stop.
Closest school
0.3 km
Laurance Haines School. 36 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
50.4dB

Night-time· 23:00 – 07:00
40.3dB