4 Rosslyn Road, Watford, WD18 0JY
About 4 Rosslyn Road
4 Rosslyn Road is a semi-detached house in Watford (WD18 0JY). It has a recorded floor area of 377 m² (around 4058 sq ft), construction records dating it to 1930-1949 and council tax band G. The latest certificate (December 2019) shows a C (score 69), just inside the C band. When first surveyed in March 2011 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Poor to Average, window efficiency went from Very Poor to Good and lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Very Good to Average and main heating dropped from Very Good to Good.
At 377 m² the property is well over the postcode median (43 m² across 21 EPCs), placing it in the larger end of the local stock. 4 planning records sit against the property, 0 approved, 2 refused, 1 pending. An application is currently awaiting a decision.
Know exactly what you're buying at 4 Rosslyn 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
Energy performance
4 Rosslyn Road's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency decreased
Single glazing replaced with double or better glazing
Wall insulation improved
Roof insulation improved
More low energy lighting installed
Hot water efficiency decreased
Planning history
Council records include a two-storey side extension at 4 Rosslyn Road.
- Jul 2021ConditionsIn report
Details submitted retrospectively for Condition 3 (screened bin store ) pursuant to planning permission 20/00789/COU
- Documents
- 2 docs on file
- Reference
- 21/01065/DISCON
- Sept 2020HMOAmendmentIn report
Change of use from C3 residential dwelling to 11-bed HMO (sui generis)
- Documents
- 8 docs on file
- Reference
- 20/00789/COU
We flagged 1 thing worth checking at 4 Rosslyn 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
4 Rosslyn Road has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£1,093,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in WD18 0JY: £242,000 (2023–2015).
Nearby sales in WD18 0JY
Flat 9, 14 Rosslyn Road, Watford, WD18 0JY
Sold Mar 2023
£250,000Flat 3, 14 Rosslyn Road, Watford, WD18 0JY
Sold Dec 2021
£242,000Flat 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
£206,500
Everything we know about 4 Rosslyn 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

Similar properties nearby
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