25 Cosin Close, Oxford, OX4 1GD
About 25 Cosin Close
25 Cosin Close is a two-bedroom semi-detached house in Oxford (OX4 1GD). It has a recorded floor area of 79 m² (around 850 sq ft), construction records dating it to 1996-2002 and council tax band C. The latest certificate (April 2019) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since October 2008. Between certificates, roof efficiency went from Average to Good and main heating went from Average to Good. The recommended improvements would lift it to B (score 85), a 2-band jump.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 2009–2023, sale prices on this property compounded at 3.4% per year. Today's modelled estimate of £415,000 is 12.2% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£435/sq ft) was about 223.3% above the typical sold price in the postcode. Sold November 2023 for £370,000.
Know exactly what you're buying at 25 Cosin Close
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
- Bathrooms1
- Dining roomYes
Outside
- Private gardenSide
- ParkingOff street
Energy performance
25 Cosin Close sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Roof insulation improved
Floor insulation added or improved
Planning history
25 Cosin Close has no planning applications on record.
Notable planning nearby
63applications of note in the surrounding area
We flagged 2 things worth checking at 25 Cosin Close
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
- Larger development activity nearby
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Sales history & valuation
25 Cosin Close valuation sits well clear of the typical sold price in this postcode.
£415,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.4% per year over 14 years.
£370,000
Growth on file: 3.4% per year over 14 years.
Sales timeline
16 November 2023Most recent
£370,000
+60.4%over 14 years28 July 2009
£230,730
Median price across the last 4 sales in OX4 1GD: £138,500 (2025–2000).
Everything we know about 25 Cosin Close, 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
- Larger development activity nearby
Versus other Cosin Close homes
On price per m², 25 Cosin Close stands well clear of the street.
Price per m²
£4,684
Street avg £1,908
Floor Area
79 m²
Street avg 83 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
3.5 t/year
Street avg 2.8 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
7/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
East Avenue — bus stop.
Closest school
0.3 km
East Oxford Primary School. 27 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
50.2dB
Night-time· 23:00 – 07:00
40.2dB