18 Seafield Road, Portsmouth, PO3 5AR
About 18 Seafield Road
18 Seafield Road is a mid-terrace house in Portsmouth (PO3 5AR). It has a recorded floor area of 72 m² (around 775 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (October 2020) shows a D (score 61), on the cusp of jumping into the C band. Earlier certificates rated it C (October 2009); the latest reading is one band lower. Between certificates, wall efficiency went from Poor to Average; while roof efficiency dropped from Good to Very Poor and window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 76).
Held since July 2005 — that's 21 years off the open market, well above the local norm. Today's modelled estimate of £211,000 sits 97.2% above the 2005 sale of £107,000.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Cavity wall insulation installed
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
18 Seafield Road has no planning applications on record.
But the area is active
10 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
18 Seafield Road valuation sits well clear of the typical sold price in this postcode.
£211,000
Modelled from EPC, postcode comparables.
£107,000
Recorded with HM Land Registry.
Sales timeline
28 July 2005Most recent
£107,000
Median price across the last 5 sales in PO3 5AR: £230,000 (2024–2022).
Nearby sales in PO3 5AR
Versus other Seafield Road homes
18 Seafield Road is notably below the street on floor area.
Price per m²
£1,486
Street avg £2,125
Floor Area
72 m²
Street avg 81 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
3.4 t/year
Street avg 3.2 t/year
Similar properties nearby
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
18/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Copythorn Road — bus stop.
Closest school
0.1 km
Copnor Primary School. 41 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
50.9dB

Night-time· 23:00 – 07:00
40.3dB







