21 Costar Close, Littlemore, Oxford, OX4 6JX
About 21 Costar Close
21 Costar Close is a two-bedroom semi-detached house in Littlemore, Oxford, Oxford (OX4 6JX). It has a recorded floor area of 55 m² (around 592 sq ft), construction records dating it to 1991-1995 and council tax band C. The latest certificate (May 2018) shows a D (score 67), on the cusp of jumping into the C band. When first surveyed in June 2015 the rating was F, the property has climbed 2 bands since. Between certificates, hot-water efficiency went from Very Poor to Average, lighting went from Good to Very Good and main heating went from Very Poor to Average. The recommended improvements would lift it to B (score 86), a 2-band jump. Main heating runs on electricity.
Across 2004–2015, sale prices on this property compounded at 4.2% per year. Today's modelled estimate of £318,000 is 27.2% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£422/sq ft) was about 67.2% above the typical sold price in the postcode. 11 years since the last transfer (August 2015).
Know exactly what you're buying at 21 Costar 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
Outside
- Private gardenYes
- ParkingYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
Loft insulation upgraded to recommended levels
More low energy lighting installed
Planning history
21 Costar Close has no planning applications on record.
Notable planning nearby
19applications of note in the surrounding area
We flagged 1 thing worth checking at 21 Costar 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
30-day money-back guarantee
Sales history & valuation
21 Costar Close valuation sits well clear of the typical sold price in this postcode.
£318,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.2% per year over 11 years.
£250,000
Growth on file: 4.2% per year over 11 years.
Sales timeline
20 August 2015Most recent
£250,000
+59.2%over 11 years22 March 2004
£157,000
Median price across the last 5 sales in OX4 6JX: £273,000 (2025–2022).
Nearby sales in OX4 6JX
11 Costar Close, Littlemore, Oxford, OX4 6JX
Sold Aug 2025
£275,0006 Costar Close, Littlemore, Oxford, OX4 6JX
Sold Feb 2025
£225,00010 Costar Close, Littlemore, Oxford, OX4 6JX
Sold Jan 2024
£315,00014 Costar Close, Littlemore, Oxford, OX4 6JX
Sold Nov 2023
£247,00019 Costar Close, Littlemore, Oxford, OX4 6JX
Sold Oct 2022
£273,000
Everything we know about 21 Costar 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

Versus other Costar Close homes
Habitable Rooms for 21 Costar Close runs comfortably ahead of the street norm.
Price per m²
£4,545
Street avg £3,867
Floor Area
55 m²
Street avg 52 m²
Habitable Rooms
4 rooms
Street avg 3 rooms
CO₂ Emissions
4.4 t/year
Street avg 3.2 t/year
Similar properties nearby
1 Broadfields, Littlemore
OX4 6LP
1 Furlong Close
OX4 6AT
1 Costar Close, Littlemore
OX4 6JX
1 Greyhound View, Sandy Lane
OX4 6FD
1 Angelica Close
OX4 6PT
1 Harebell Road
OX4 6RG
1 Blackbird Leys Road
OX4 6HH
1 Field Avenue
OX4 6PA
The neighbourhood at a glance
Crime
7/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Sandy Lane West — bus stop.
Closest school
0.1 km
St John Fisher Catholic Primary School, Littlemore. 18 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
52.6dB

Night-time· 23:00 – 07:00
43.3dB