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18 Blossom Square, Portsmouth, PO1 3JH

Property type
End terrace
Habitable rooms
8
From EPC
Floor area
140 m²
1507 sq ft
Energy rating
C
Score 71
Council tax
Band C
Tenure
Social Rental
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Overview

About 18 Blossom Square

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

18 Blossom Square is an end-of-terrace house in Portsmouth (PO1 3JH). It has a recorded floor area of 140 m² (around 1507 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (June 2026) shows a C (score 71). The rating has held steady at C across 2 certificates since April 2024. Between certificates, wall efficiency went from Average to Good; while window efficiency dropped from Average to Poor and lighting dropped from Very Good to Good. This certificate was lodged in the last six months, so the rating reflects current condition.

Before you decide

Everything you need to know about 18 Blossom Square

The true value, the hidden risks and the full sale history, in one report.

Pick your report · from £14.99

One time fee only - money back guarantee

Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

The EPC has just been inspected, so the rating reflects current condition.

Current Certificate(1 of 2)
Jun 2026

EPC Rating

A
B
C
C71
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Poor
CO2 Emissions
3.8 t/year
Occupancy
Rented

Certificate validity

Valid until 6 June 2036

9 years remaining

Property Improvements

Changes detected from historical EPC data

Jun 2026from Apr 2024
Walls
AverageGood

Wall insulation improved

SDL Surveying

Get a survey for this property

Level 2 HomeBuyer Report

Late 20th centuryEnd-Terrace HouseEPC C

We've checked 10 risk factors against the available data for this property and believe a Level 2 HomeBuyer Report could be a suitable option for you.

From £545 · Includes VAT

Planning

Planning history

Applications and permits filed against 18 Blossom Square, Portsmouth, PO1 3JH, sourced from the PlanIt planning register.

18 Blossom Square has no planning applications on record.

2

But the area is active

2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

18 Blossom Square has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.

Current estimate

£272,000

Modelled from EPC, postcode comparables.

See how we calculated this

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 3JH: £295,000 (2023–2013).

On the street

Versus other Blossom Square homes

Four headline reads against 15 similar houses on this street, drawn from the latest EPC and Land Registry data.

Floor Area for 18 Blossom Square runs comfortably ahead of the street norm.

EPC Rating

71 (C)

Street avg 64 (D)

Above

Floor Area

140 m²

Street avg 131 m²

Strongly above

CO₂ Emissions

3.8 t/year

Street avg 4.4 t/year

Above

Habitable Rooms

8 rooms

Street avg 7 rooms

Strongly above
Before you decide

Everything you need to know about 18 Blossom Square

The true value, the hidden risks and the full sale history, in one report.

Pick your report · from £14.99

One time fee only - money back guarantee

Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£280k

1 Arethusa House, Gunwharf Quays

PO1 3TQ

£283k

1 Dean Street

PO1 3BH

4 bed3 bath
£292k

1 Ensign Mews, Cross Street

PO1 3FZ

£253k

1 Britain Street

PO1 3RG

£293k

1 Curzon Howe Road

PO1 3BZ

£246k

1 Cumberland Street

PO1 3JL

£310k

1 Eva Allaway Court, St Georges Square

PO1 3AU

£316k

1 Blackthorn Terrace, Cumberland Street

PO1 3JW

4 bed2 bath
Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the Portsmouth district page.
Full Portsmouth report

Rail-style transport is unusually close for this postcode.

Crime

501/mo

Falling year-on-year across the wider district.

Nearest stop

0.1 km

Curzon Howe Road — bus stop.

Closest school

0.3 km

St George's Beneficial Church of England (Voluntary Controlled) Primary School. 33 schools nearby.

Go deeper on the local area

A Local Area report breaks down crime, transport links, schools and air quality in depth.

Noise

Road noise across the postcode

Modelled day and night-time noise levels around PO1 3JH from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for PO1 3JH

Daytime· 07:00 – 23:00

48.9dB

Low
Night-time road noise heatmap for PO1 3JH

Night-time· 23:00 – 07:00

41.2dB

Low
55 dB
60 dB
65 dB
70 dB
75 dB
80 dB
Defra Road Noise Strategic Mapping, Round 4
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 18 Blossom Square, Portsmouth, PO1 3JH. Each answer is also embedded as structured data for search engines.