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Get started1a, Hartsgrove Avenue, Blackfield, Southampton, SO45 1WG
3 sales on record
About 1a
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
1a is a detached house in Blackfield, Southampton, Southampton (SO45 1WG). It has a recorded floor area of 65 m² (around 700 sq ft) and construction records dating it to 2020. The latest certificate (November 2021) shows a C (score 74). Main heating runs on electricity: electricity, unspecified tariff.
Sale prices here have outpaced Southampton HPI: 33.4% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£436/sq ft) was about 68.9% above the typical sold price in the postcode. At 65 m² it sits well below the postcode median (139 m² across 13 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 85% of similar EPCs). Most recent transfer: April 2022 at £305,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
1a's carbon output is low for the local stock.
EPC Rating
A
B
C
C74
D
E
F
G
Main Heating
Electric & Gas
Main Fuel
Electric
Hot Water
Poor
Windows
Very Good
CO2 Emissions
1.3 t/year
Occupancy
—
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
1a has more than doubled in price since the earliest registered sale in 2019.
Current estimate
See how we calculated this£316,000
Modelled from EPC, postcode comparables and a sale-price growth of 33.4% per year over 3 years.
Last sold (2022)
£305,000
Growth on file: 33.4% per year over 3 years.
Sales timeline
Versus other Hartsgrove Avenue homes
Four headline reads against 13 similar houses on this street, drawn from the latest EPC and Land Registry data.
EPC Rating for 1a runs comfortably ahead of the street norm.
Price per m²
£4,692
Street avg £3,418
Floor Area
65 m²
Street avg 124 m²
CO₂ Emissions
1.3 t/year
Similar 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 Southampton district page.
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Road noise across the postcode
Modelled day and night-time noise levels around SO45 1WG from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
46.5dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 35 points of interest in total.
Beautiful places to visit nearby
Curated scenic spots within reach of this postcode, served by Beautifulplaces.ai. Photography and tagging come from their open dataset.
Common questions
The questions buyers, sellers and homeowners most often ask about 1a, Hartsgrove Avenue, Blackfield, Southampton, SO45 1WG. Each answer is also embedded as structured data for search engines.