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21 Northbrook Close, Portsmouth, PO1 4LR

Property type
End terrace
Floor 02
Habitable rooms
3
From EPC
Floor area
67 m²
721 sq ft
Energy rating
D
Score 65
Council tax
Band A
Tenure
Social Rental
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Overview

About 21 Northbrook Close

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

21 Northbrook Close is an end-of-terrace house in Portsmouth (PO1 4LR). It has a recorded floor area of 67 m² (around 721 sq ft), construction records dating it to 1967-1975 and council tax band A. At 67 m² this is the 2nd smallest of 21 units on EPC record in the building, where floor areas span 66–106 m². The building's EPC ratings span D to C, with this unit at the bottom. The latest certificate (January 2026) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since September 2016. Between certificates, window efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 73).

Before you decide

Everything you need to know about 21 Northbrook Close

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.
Current Certificate(1 of 2)
Jan 2026

EPC Rating

A
B
C
D
D65
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Poor
CO2 Emissions
2.6 t/year
Occupancy
Rented

Certificate validity

Valid until 15 January 2036

9 years remaining

Property Improvements

Changes detected from historical EPC data

Jan 2026from Sept 2016
Low Energy Lighting
50%100%

More low energy lighting installed

SDL Surveying

Get a survey for this property

Level 2 HomeBuyer Report

Late 20th century2nd Floor FlatEPC D

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 £495 · Includes VAT

Planning

Planning history

Applications and permits filed against 21 Northbrook Close, Portsmouth, PO1 4LR, sourced from the PlanIt planning register.

21 Northbrook Close 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.

21 Northbrook Close has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.

Current estimate

£124,000

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 4LR: £172,000 (2026–2016).

On the street

Versus other Northbrook Close homes

Four headline reads against 12 similar flats on this street, drawn from the latest EPC and Land Registry data.

Floor Area for 21 Northbrook Close lags the street by a wide margin.

EPC Rating

65 (D)

Street avg 71 (C)

Below

Floor Area

67 m²

Street avg 70 m²

Strongly below

CO₂ Emissions

2.6 t/year

Street avg 2.2 t/year

Below

Habitable Rooms

3 rooms

Street avg 3 rooms

On par
Before you decide

Everything you need to know about 21 Northbrook Close

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.
£124k

1 Hale Street South

PO1 4HY

£125k

1 Westminster Place

PO1 4LU

£126k

1 Cornwallis Crescent

PO1 4DF

£126k

1 Hertford Place

PO1 4LD

£126k

1 Timpson Road

PO1 4JR

£128k

1 April Square

PO1 4DX

£128k

1 Northbrook Close

PO1 4LR

£120k

1 Watts Road

PO1 4PS

3 bed
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

Crime

501/mo

Falling year-on-year across the wider district.

Nearest stop

0.2 km

Hanway Road — bus stop.

Closest school

0.3 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.

Noise

Road noise across the postcode

Modelled day and night-time noise levels around PO1 4LR from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for PO1 4LR

Daytime· 07:00 – 23:00

56.5dB

Moderate
Night-time road noise heatmap for PO1 4LR

Night-time· 23:00 – 07:00

46.3dB

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 21 Northbrook Close, Portsmouth, PO1 4LR. Each answer is also embedded as structured data for search engines.