21 Watts Road, Portsmouth, PO1 4PS
About 21 Watts Road
21 Watts Road is a mid-terrace house in Portsmouth (PO1 4PS). It has a recorded floor area of 88 m² (around 947 sq ft), construction records dating it to 1950-1966 and council tax band A. The latest certificate (December 2023) shows a C (score 78), near the top of the C band. The rating has held steady at C across 2 certificates since December 2009. Between certificates, lighting went from Poor to Very Good; while wall efficiency dropped from Good to Average and roof efficiency dropped from Good to Average.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
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Planning history
21 Watts Road has no planning applications on record.
But the area is active
2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
21 Watts Road has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£132,000
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 PO1 4PS: £110,000 (2021–2010).
Versus other Watts Road homes
Floor Area for 21 Watts Road runs comfortably ahead of the street norm.
EPC Rating
78 (C)
Street avg 75 (C)
Floor Area
88 m²
Street avg 78 m²
CO₂ Emissions
1.9 t/year
Street avg 1.9 t/year
Habitable Rooms
4 rooms
Street avg 4 rooms
Similar properties nearby
The neighbourhood at a glance
Crime
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Clarendon Street — bus stop.
Closest school
0.1 km
Ark Dickens Primary Academy. 45 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
57.2dB

Night-time· 23:00 – 07:00
47.3dB







