21 Instone Terrace, Askern, Doncaster, DN6 0AN
About 21 Instone Terrace
21 Instone Terrace is a three-bedroom mid-terrace house in Askern, Doncaster, Doncaster (DN6 0AN). It has a recorded floor area of 93 m² (around 1001 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (July 2025) shows a C (score 72). When first surveyed in March 2011 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor; while lighting dropped from Very Good to Good. The recommended improvements would push it to B (score 83). The home occupies a cul-de-sac position.
Today's modelled estimate of £129,000 sits 115% above the 2011 sale of £60,000. On a £-per-square-foot basis, the last sale (£60/sq ft) was about 17.4% below the postcode norm. Its energy rating outperforms most of the postcode (better than 86% of similar EPCs). Last changed hands 15 years ago, in June 2011.
Know exactly what you're buying at 21 Instone Terrace
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
- Bedrooms3
- Bathrooms1
- Open-plan layoutYes
- Dining roomYes
- CloakroomYes
Outside
- Private gardenFront and rear
- Cul-de-sacYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Wall insulation improved
Roof insulation improved
More low energy lighting installed
Planning history
21 Instone Terrace has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at 21 Instone Terrace
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.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
21 Instone Terrace valuation sits well clear of the typical sold price in this postcode.
£129,000
Modelled from EPC, postcode comparables.
£60,000
Recorded with HM Land Registry.
Sales timeline
8 June 2011Most recent
£60,000
Median price across the last 5 sales in DN6 0AN: £120,000 (2025–2023).
Nearby sales in DN6 0AN
43 Instone Terrace, Askern, Doncaster, DN6 0AN
Sold Sept 2025
£122,00041 Instone Terrace, Askern, Doncaster, DN6 0AN
Sold Mar 2025
£125,0007 Instone Terrace, Askern, Doncaster, DN6 0AN
Sold Jun 2024
£120,00027 Instone Terrace, Askern, Doncaster, DN6 0AN
Sold Mar 2024
£110,00047 Instone Terrace, Askern, Doncaster, DN6 0AN
Sold Apr 2023
£80,000
Everything we know about 21 Instone Terrace, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus other Instone Terrace homes
On epc rating, 21 Instone Terrace stands well clear of the street.
Price per m²
£645
Street avg £917
Floor Area
93 m²
Street avg 86 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
3.1 t/year
Street avg 4.3 t/year
Similar properties nearby
1 Avenue Road, Askern
DN6 0AR
1 Highfield Road, Askern
DN6 0LG
1 Campsall Road, Askern
DN6 0BT
1 Belvedere Close, Askern
DN6 0NX
1 Davis Road, Askern
DN6 0QJ
1 Gargrave Close, Askern
DN6 0NN
1 Airstone Road, Askern
DN6 0QA
1 Alfred Road, Askern
DN6 0PY
The neighbourhood at a glance
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
0.1 km
Sutton Road/Doncaster Road — bus stop.
Closest school
0.4 km
Spa Academy Askern. 6 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
48.0dB

Night-time· 23:00 – 07:00
39.5dB