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Get started20 Hartsgrove Avenue is a detached house in Blackfield, Southampton, Southampton (SO45 1WG). It has a recorded floor area of 155 m² (around 1668 sq ft), construction records dating it to 1967-1975 and council tax band E. The latest certificate (February 2026) shows a D (score 64), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since October 2008. Between certificates, lighting went from Very Poor to Good; while wall efficiency dropped from Good to Poor and window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 74). This certificate was lodged in the last six months, so the rating reflects current condition.
At 155 m² it's 26% larger than the typical home in the postcode (123 m² median across 13 EPCs).
The EPC has just been inspected, so the rating reflects current condition.
20 Hartsgrove Avenue has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£383,000
Modelled from EPC, postcode comparables.
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Floor Area for 20 Hartsgrove Avenue runs comfortably ahead of the street norm.
EPC Rating
64 (D)
Street avg 64 (D)
Floor Area
155 m²
Street avg 118 m²
CO₂ Emissions
4.7 t/year
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

Daytime· 07:00 – 23:00
46.5dB

Changes detected from historical EPC data
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Median price across the last 5 sales in SO45 1WG: £450,000 (2025–2022).
11 Hartsgrove Avenue Blackfield Southampton
Sold May 2025
8 Hartsgrove Avenue Blackfield Southampton
Sold Mar 2025
13 Hartsgrove Avenue Blackfield Southampton
Sold Oct 2024
1 Hartsgrove Avenue Blackfield Southampton
Sold Sept 2024
1a Hartsgrove Avenue Blackfield Southampton
Sold Apr 2022
Street avg 4.6 t/year
Habitable Rooms
6 rooms
Street avg 6 rooms
SO45 1XB
Blackfield Crossroads — bus stop.
Closest school
0.3 km
Blackfield Primary and Nursery School. 5 schools nearby.
Night-time· 23:00 – 07:00
37.0dB