1a, Brightwell Road, Watford, WD18 0HR
About 1a
1a is a semi-detached house in Watford (WD18 0HR). It has a recorded floor area of 48 m² (around 517 sq ft). At 48 m² this is the 9th smallest of 28 units on EPC record in the building, where floor areas span 24–132 m². The building's EPC ratings span F to B across 28 units on file. The latest certificate (February 2018) shows a C (score 80), near the top of the C band.
Held since October 2009 — that's 17 years off the open market, well above the local norm. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. At 48 m² it sits well below the postcode median (74 m² across 27 EPCs), making it one of the more compact homes locally. Across 2007–2009, sale prices on this property compounded at 21% per year. On a £-per-square-foot basis, the last sale (£484/sq ft) was about 70.8% above the typical sold price in the postcode. 2 planning records sit against the property, 0 approved, 1 refused.
Know exactly what you're buying at 1a
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
Energy performance
1a's carbon output is low for the local stock.
EPC Rating
Planning history
Council records show a subdivision application — the property's legal arrangement has been altered.
- Nov 2011ExtensionAmendmentIn report
Renewal of planning permission 08/00315/FUL for erection of a first floor side extension and conversion to four flats
- Documents
- 29 docs on file
- Reference
- 11/00984/EXT
- Apr 2008SubdivisionFullIn report
Extension: Single storey · Side of property
Erection of a first floor side extension and conversion to four flats
Extension- Documents
- 67 docs on file
- Reference
- 08/00315/FUL
We flagged 1 thing worth checking at 1a
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
The latest sale fell during the post-2008 dip, often a low-water mark in price comparisons.
£274,000
Modelled from EPC, postcode comparables and a sale-price growth of 21.0% per year over 3 years.
£250,000
Growth on file: 21.0% per year over 3 years.
Sales timeline
19 October 2009Most recent
£250,000
+67.8%over 2 years31 January 2007
£149,000
Median price across the last 5 sales in WD18 0HR: £375,000 (2024–2022).
Nearby sales in WD18 0HR
Everything we know about 1a, 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 Brightwell Road homes
On floor area, 1a stands well clear of the street.
EPC Rating
80 (C)
Street avg 76 (C)
Floor Area
48 m²
Street avg 39 m²
CO₂ Emissions
1.0 t/year
Street avg 1.2 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
0.4 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
50.9dB

Night-time· 23:00 – 07:00
40.7dB