Model valuation£417,0008 Busby Close
Local market context
12 Sonata House, Lock Approach, Port Solent, Portsmouth, PO6 4UZ
Notable views
Property type
Mid terrace
Floor 02
Bedrooms
2
Floor area
70 m²
753 sq ft
Energy rating
D
Score 66
Council tax
Band F
Tenure
Private Rental
About 12 Sonata House
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
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 £333,000 is 28.1% above the 2012 sale price.
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
Outside
- BalconyYes
- Notable viewsYes
- Cul-de-sacYes
Building
- Heating systemGas
Before you decide
Everything you need to know about 12 Sonata House
The true value, the hidden risks and the full sale history, in one report.
Signs of HMO activity in the area
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The data behind every report
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)
Jul 2021
EPC Rating
A
B
C
D
D66
E
F
G
Main Heating
Electric & Gas
Main Fuel
Electric
Hot Water
Poor
Windows
Average
CO2 Emissions
2.9 t/year
Occupancy
Rented
Certificate validity
Valid until 2 July 2031
Property Improvements
Changes detected from historical EPC data
Jul 2021from Oct 2010
EPC improved fromC72toD66
Hot Water
AveragePoor
Hot water efficiency decreased
Low Energy Lighting
0%100%
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Late 20th century2nd Floor FlatEPC DNo mains gas
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £955 · Includes VAT
Planning history
Applications and permits filed against 12 Sonata House, Lock Approach, Port Solent, Portsmouth, PO6 4UZ, sourced from the PlanIt planning register.
12 Sonata House has no planning applications on record.
7
But the area is active
7 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
Current estimate
See how we calculated this£333,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.6% per year over 12 years.
Last sold (2012)
£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 (2025–2015).
Nearby sales in PO6 4UZ
2 Sonata House, Lock Approach, Port Solent, Portsmouth, PO6 4UZ
Sold Jul 2025
£310,0007 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
£296,000
Versus other Lock Approach homes
Four headline reads against 9 similar flats on this street, drawn from the latest EPC and Land Registry data.
On floor area, 12 Sonata House runs well behind the street norm.
Price per m²
£3,714
Street avg £3,779
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
Property research, connected
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Start your researchSimilar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor 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.
Crime
260/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
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode
Modelled day and night-time noise levels around PO6 4UZ from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
55.7dB
Night-time· 23:00 – 07:00
47.5dB
55 dB
60 dB
65 dB
70 dB
75 dB
80 dB
Defra Road Noise Strategic Mapping, Round 4Common questions
The questions buyers, sellers and homeowners most often ask about 12 Sonata House, Lock Approach, Port Solent, Portsmouth, PO6 4UZ. Each answer is also embedded as structured data for search engines.