12 Sonata House, Lock Approach, Port Solent, Portsmouth, PO6 4UZ
About 12 Sonata House
12 Sonata House is a two-bedroom mid-terrace house in Port Solent, Portsmouth, Portsmouth (PO6 4UZ). It has a recorded floor area of 70 m² (around 753 sq ft), construction records dating it to 1996-2002 and council tax band F. At 70 m² this is the smallest unit on EPC record across the building (70–93 m²). The building's EPC ratings span D to B, with this unit at the bottom. Other recorded features include a balcony and notable views. The home occupies a cul-de-sac position. The latest certificate (July 2021) shows a D (score 66), on the cusp of jumping into the C band. Earlier certificates rated it C (October 2010); the latest reading is one band lower. Between certificates, lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Average to Poor and main heating dropped from Average to Very Poor. Main heating runs on electricity.
Last sold in August 2012, so it's been off the market for around 14 years. Across 2000–2012, sale prices on this property compounded at 1.6% per year. Today's modelled estimate of £343,000 is 31.9% above the 2012 sale price.
Know exactly what you're buying at 12 Sonata House
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms2
Outside
- BalconyYes
- Notable viewsYes
- Cul-de-sacYes
Building
- Heating systemGas
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
More low energy lighting installed
Planning history
12 Sonata House has no planning applications on record.
Notable planning nearby
7applications of note in the surrounding area
We flagged 1 thing worth checking at 12 Sonata House
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
30-day money-back guarantee
Sales history & valuation
12 Sonata House valuation sits well clear of the typical sold price in this postcode.
£343,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.6% per year over 12 years.
£260,000
Growth on file: 1.6% per year over 12 years.
Sales timeline
23 August 2012Most recent
£260,000
+20.9%over 11 years24 September 2000
£215,000
Median price across the last 5 sales in PO6 4UZ: £310,000 (2022–2013).
Nearby sales in PO6 4UZ
7 Sonata House, Lock Approach, Port Solent, Portsmouth, PO6 4UZ
Sold Oct 2022
£380,0004 Sonata House, Lock Approach, Port Solent, Portsmouth, PO6 4UZ
Sold Jun 2017
£317,5006 Sonata House, Lock Approach, Port Solent, Portsmouth, PO6 4UZ
Sold Jul 2016
£310,0001 Sonata House, Lock Approach, Port Solent, Portsmouth, PO6 4UZ
Sold Jun 2015
£296,0003 Sonata House, Lock Approach, Port Solent, Portsmouth, PO6 4UZ
Sold Sept 2011
£267,300
Everything we know about 12 Sonata House, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area

Versus other Lock Approach homes
On floor area, 12 Sonata House runs well behind the street norm.
Price per m²
£3,714
Street avg £3,732
Floor Area
70 m²
Street avg 78 m²
Habitable Rooms
4 rooms
Street avg 3 rooms
CO₂ Emissions
2.9 t/year
Street avg 3.0 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.4 km
Watersedge — bus stop.
Closest school
0.9 km
St Paul's Catholic Primary School. 19 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
55.7dB

Night-time· 23:00 – 07:00
47.5dB