12 High Street, Portsmouth, PO1 2LP
About 12 High Street
12 High Street is a six-bedroom mid-terrace house in Portsmouth (PO1 2LP). It has a recorded floor area of 267 m² (around 2874 sq ft) and construction records dating it to before 1900. It is a listed building, which means external alterations are tightly controlled but it may qualify for heritage tax reliefs. Other recorded features include a basement. The latest certificate (January 2022) shows a D (score 68), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 81), a 2-band jump.
Held since April 2002 — that's 24 years off the open market, well above the local norm. At 267 m² the property is well over the postcode median (117 m² across 16 EPCs), placing it in the larger end of the local stock. 6 bedrooms is on the larger side for this postcode, where 3 is the typical count. Across 1996–2002, sale prices on this property compounded at 29.2% per year. Today's modelled estimate of £915,000 sits 110.3% above the 2002 sale of £435,000. On a £-per-square-foot basis, the last sale (£151/sq ft) was about 39.1% below the postcode norm. 5 planning records sit against the property, 1 approved, 1 refused. Past consents include subdivision, meaningful when judging how the property has evolved. The record references listed-building consent, which constrain future alterations.
What this property has
Inside
- Bedrooms6
- Bathrooms5
- Dining roomYes
- EnsuiteYes
- BasementYes
Outside
- Private gardenYes
Building
- Listed buildingYes
Energy performance
12 High Street's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, is a listed building, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,495 · Includes VAT
Planning history
Council records show a subdivision application — the property's legal arrangement has been altered.
5 applications on record at 12 High Street, Portsmouth, PO1 2LP
- Dec 2007RenovationHeritageOutcome in report
Installation of information plaque on front elevation
- Documents
- 4 docs on file
- Reference
- 07/01973/LBC
- More recent applications — locked
- RenovationJan 2021Decision
- SubdivisionApr 2020Decision
+ 2 more applications in the report
Unlock 12 High Street, Portsmouth, PO1 2LP's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (5 on record)
- All 5 applications on this property in full
- The 63 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
12 High Street has more than quadrupled in price since its earliest registered sale in 1996.
£915,000
Modelled from EPC, postcode comparables and a sale-price growth of 29.2% per year over 6 years.
£435,000
Growth on file: 29.2% per year over 6 years.
Sales timeline
25 April 2002Most recent
£435,000
+362.8%over 5 years2 May 1996
£94,000
Median price across the last 5 sales in PO1 2LP: £582,000 (2022–2015).
Nearby sales in PO1 2LP
Versus other High Street homes
12 High Street is notably below the street on price per m².
Price per m²
£1,629
Street avg £3,102
Floor Area
267 m²
Street avg 172 m²
Habitable Rooms
8 rooms
Street avg 7 rooms
CO₂ Emissions
8.1 t/year
Street avg 6.7 t/year
Similar properties nearby
The neighbourhood at a glance
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
0.1 km
St Jude's CofE Primary School. 28 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
52.1dB

Night-time· 23:00 – 07:00
43.4dB







