Flat 3, 14 Rosslyn Road, Watford, WD18 0JY
About Flat 3
Flat 3 is a one-bedroom semi-detached house in Watford (WD18 0JY). It has a recorded floor area of 42 m² (around 452 sq ft). At 42 m² this is the 4th smallest of 11 units on EPC record in the building, where floor areas span 31–53 m². The latest certificate (February 2015) shows a C (score 77), near the top of the C band. Main heating runs on electricity: electricity, unspecified tariff. The latest certificate is from February 2015, so improvements made since then won't be reflected.
Across 2015–2021, sale prices on this property compounded at 1.3% per year. Most recent transfer: December 2021 at £242,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. One historical planning record sits against the property in 2015.
Know exactly what you're buying at Flat 3
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
- Bedrooms1
- Bathrooms1
- Open-plan layoutYes
- EnsuiteYes
- StudyYes
Outside
- Private gardenYes
Building
- RefurbishedYes
Energy performance
Flat 3's carbon output is low for the local stock.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 11 Feb 2025
EPC Rating
Planning history
- Jun 2015OutbuildingFullIn report
The erection of a timber framed garden summerhouse within an enclosed garden space for private use.
- Documents
- 12 docs on file
- Reference
- 15/00699/FULH
We flagged 1 thing worth checking at Flat 3
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 landed in the post-pandemic price surge — useful context when reading the figure.
£248,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.3% per year over 7 years.
£242,000
Growth on file: 1.3% per year over 7 years.
Sales timeline
17 December 2021Most recent
£242,000
+8.8%over 6 years20 March 2015
£222,500
Median price across the last 5 sales in WD18 0JY: £222,000 (2023–2015).
Nearby sales in WD18 0JY
Flat 9, 14 Rosslyn Road, Watford, WD18 0JY
Sold Mar 2023
£250,000Flat 11, 14 Rosslyn Road, Watford, WD18 0JY
Sold Mar 2016
£243,000Flat 2, 14 Rosslyn Road, Watford, WD18 0JY
Sold Mar 2015
£191,000Flat 1, 14 Rosslyn Road, Watford, WD18 0JY
Sold Mar 2015
£206,500Flat 4, 14 Rosslyn Road, Watford, WD18 0JY
Sold Mar 2015
£222,000
Everything we know about Flat 3, 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 Rosslyn Road homes
On epc rating, Flat 3 stands well clear of the street.
Price per m²
£5,762
Street avg £4,917
Floor Area
42 m²
Street avg 48 m²
CO₂ Emissions
1.3 t/year
Street avg 1.8 t/year
Years Held
4 years
Street avg 12 years
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
8/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Town Hall — bus stop.
Closest school
0.4 km
Watford St John's Church of England Primary 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
55.9dB

Night-time· 23:00 – 07:00
46.6dB