21 Cobden Crescent, Southampton, SO18 4EX
About 21 Cobden Crescent
21 Cobden Crescent is a three-bedroom detached house in Southampton (SO18 4EX). It has a recorded floor area of 137 m² (around 1475 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (September 2018) shows an E (score 54), well below the UK norm with real room to improve. Earlier certificates rated it D (September 2014); the latest reading is one band lower. Between certificates, lighting went from Very Poor to Very Good; while roof efficiency dropped from Average to Very Poor. The recommended improvements would lift it to C (score 70), a 2-band jump.
A recent sale: £500,000 in August 2025. One planning record on file: an extension approved in 2018. Past consents include an extension, meaningful when judging how the property has evolved. At 137 m² it's 25.3% larger than the typical home in the postcode (109 m² median across 10 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 80% of similar EPCs). Across 2004–2025, sale prices on this property compounded at 3.8% per year. On a £-per-square-foot basis, the last sale (£339/sq ft) was about 38.6% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms3
- Bathrooms2
- Open-plan layoutYes
- Dining roomYes
- Utility roomYes
- CloakroomYes
- StudyYes
Outside
- Private gardenSouth-west-facing
- DrivewayYes
Energy performance
21 Cobden Crescent's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Planning history
21 Cobden Crescent has an approved single-storey side and rear extension on the planning record.
- Jan 2018ExtensionFullIn report
Extension: Single storey · Side and rear of property
Erection of a single storey side and rear extension
- Documents
- 4 docs on file
- Reference
- 17/02415/FUL
What's in 21 Cobden Crescent, Southampton, SO18 4EX's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
Latest sale on 21 Cobden Crescent was the highest on Land Registry record across the postcode.
£503,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.8% per year over 21 years.
£500,000
Growth on file: 3.8% per year over 21 years.
Sales timeline
31 August 2025Most recent
£500,000
+62.3%over 10 years6 February 2015
£308,000
+35.7%over 10 years28 July 2004
£227,000
Median price across the last 5 sales in SO18 4EX: £385,000 (2025–2020).
Nearby sales in SO18 4EX
1 Cobden Crescent, Southampton, SO18 4EX
Sold Sept 2025
£362,50027 Cobden Crescent, Southampton, SO18 4EX
Sold Sept 2025
£385,00015 Cobden Crescent, Southampton, SO18 4EX
Sold Nov 2024
£400,00039 Cobden Crescent, Southampton, SO18 4EX
Sold Jul 2020
£395,00035 Cobden Crescent, Southampton, SO18 4EX
Sold Jan 2020
£345,000
Versus other Cobden Crescent homes
21 Cobden Crescent is notably below the street on epc rating.
Price per m²
£3,650
Street avg £3,069
Floor Area
137 m²
Street avg 116 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
6.6 t/year
Street avg 5.1 t/year
Similar properties nearby
1 Cobden Crescent
SO18 4EX
1 Huntly Way
SO18 4EL
1 Glenfield Crescent
SO18 4RG
1 Fernwood Crescent
SO18 4FF
1 Trent Road
SO18 4PR
1 Beechwood Gardens
SO18 4JU
1 Midanbury Lane
SO18 4HY
1 Rossington Avenue
SO18 4RT
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
6/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Glenfield Avenue — bus stop.
Closest school
0.2 km
Beechwood Junior School. 35 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
52.3dB

Night-time· 23:00 – 07:00
41.8dB







