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121a, High Street, Portsmouth, PO1 2HW

3 sales on record4 planning records
Property type
Mid terrace
Floor 01
Bedrooms
2
Bathroom
1
Floor area
58 m²
624 sq ft
Energy rating
C
Score 74
Council tax
Band B
Tenure
Private Rental
Overview

About 121a

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

121a is a two-bedroom mid-terrace house in Portsmouth (PO1 2HW). It has a recorded floor area of 58 m² (around 624 sq ft), construction records dating it to 1976-1982 and council tax band B. The latest certificate (August 2025) shows a C (score 74). When first surveyed in October 2011 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Average, roof efficiency went from Very Poor to Poor and lighting went from Average to Very Good; while window efficiency dropped from Average to Poor.

At 58 m² it sits well below the postcode median (83 m² across 21 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 71% of similar EPCs). Across 1999–2014, sale prices on this property compounded at 7.2% per year. Today's modelled estimate of £234,000 is 41.8% above the 2014 sale price. On a £-per-square-foot basis, the last sale (£264/sq ft) was about 33.1% above the typical sold price in the postcode. 12 years since the last transfer (May 2014). 4 planning records sit against the property, 0 approved, 3 refused.

Specifications

What this property has

Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.

Inside

  • Bedrooms2
  • Bathrooms1
  • Open-plan layoutYes
  • Dining roomYes
Before you decide

Everything you need to know about 121a

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

Pick your report · every report is £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)
Aug 2025

EPC Rating

A
B
C
C74
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Poor
CO2 Emissions
1.6 t/year
Occupancy
Rented

Property Improvements

Changes detected from historical EPC data

Aug 2025from Oct 2011
EPC improved fromD55toC74
Heating Controls
Prog + TRVsFull

Heating controls upgraded for better temperature management

Wall Insulation
UninsulatedPartial Insulation

Wall insulation upgraded

Roof
Very PoorPoor

Roof insulation improved

Low Energy Lighting
43%100%

More low energy lighting installed

SDL Surveying

Get a survey for this property

Level 2 HomeBuyer Report

Late 20th century1st Floor MaisonetteEPC 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 121a, High Street, Portsmouth, PO1 2HW, sourced from the PlanIt planning register.

4 applications on record at 121a, High Street, Portsmouth, PO1 2HW

4decisions2extensions12documents
  1. Jun 2003
    ExtensionFull
    Outcome in report

    CONSTRUCTION OF MANSARD ROOF WITH DORMER WINDOWS TO FRONT AND REAR (SOUTH & NORTH); FORMATION OF ROOF TERRACE WITH 1M HIGH BALUSTRADE

    Documents
    3 docs on file
    Reference
    A*38325/AA
    Full record in report
  2. More recent applications — locked
  3. FullDecision
  4. FullDecision

+ 1 more application in the report

Unlock 121a, High Street, Portsmouth, PO1 2HW's full planning history

You're seeing the shape of it. The report has the substance.

  • Every decision — granted, refused or withdrawn (4 on record)
  • All 4 applications on this property in full
  • The 12 documents, officer reports & conditions
  • What the pattern means for extending or converting here
£14.99one-off · instant

One time fee only - money back guarantee

Price

Sales history & valuation

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

Sale price has at least doubled since 1999.

Current estimate

£234,000

Modelled from EPC, postcode comparables and a sale-price growth of 7.2% per year over 15 years.

See how we calculated this
Last sold (2014)

£165,000

Growth on file: 7.2% per year over 15 years.

Sales timeline

  1. 12 May 2014Most recent

    £165,000

    +32.0%over 11 years

  2. 1 August 2002

    £125,000

    +115.5%over 3 years

  3. 26 March 1999

    £58,000

Median price across the last 5 sales in PO1 2HW: £585,000 (2022–2019).

On the street

Versus other High Street homes

Four headline reads against 16 similar flats on this street, drawn from the latest EPC and Land Registry data.

CO₂ Emissions for 121a runs comfortably ahead of the street norm.

Price per m²

£2,845

Street avg £2,760

Above

Floor Area

58 m²

Street avg 92 m²

Below

Habitable Rooms

3 rooms

Street avg 4 rooms

On par

CO₂ Emissions

1.6 t/year

Street avg 4.3 t/year

Strongly above
Before you decide

Everything you need to know about 121a

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

Pick your report · every report is £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.
£316k

1 Regency Court, King Charles Street

PO1 2RR

2 bed1 bath
£350k

1 Seagers Court

PO1 2GD

2 bed2 bath
£241k

1 Armory Lane

PO1 2PE

1 bed1 bath
£242k

1 Grays Court

PO1 2PN

1 bed
£550k

1 Lombard Street

PO1 2HT

2 bed1 bath
£364k

1 Farthingale Terrace, Peacock Lane

PO1 2TL

3 bed1 bath
£428k

1 Halfpenny Lane

PO1 2TU

3 bed1 bath
£464k

1 King James Terrace, Broad Street

PO1 2LL

3 bed1 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

9/mo

Steady year-on-year across the wider district.

Nearest stop

0.1 km

Portsmouth Grammar School — bus stop.

Closest school

0.2 km

St Jude's CofE Primary School. 29 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 2HW from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for PO1 2HW

Daytime· 07:00 – 23:00

52.3dB

Low
Night-time road noise heatmap for PO1 2HW

Night-time· 23:00 – 07:00

43.6dB

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 121a, High Street, Portsmouth, PO1 2HW. Each answer is also embedded as structured data for search engines.