1 Castle Street, Conisbrough, Doncaster, DN12 3HJ
About 1 Castle Street
1 Castle Street is a three-bedroom end-of-terrace house in Conisbrough, Doncaster, Doncaster (DN12 3HJ). It has a recorded floor area of 102 m² (around 1098 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (August 2025) shows a D (score 62), on the cusp of jumping into the C band. When first surveyed in October 2009 the rating was F, the property has climbed 2 bands since. Between certificates, roof efficiency went from Very Poor to Average, hot-water efficiency went from Poor to Good and lighting went from Very Poor to Good. The recommended improvements would push it to C (score 74). Other recorded features include notable views and a basement. Period features are noted in the property record.
At 102 m² the property is well over the postcode median (75 m² across 10 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 2010–2017, sale prices on this property compounded at 1.3% per year. Today's modelled estimate of £150,000 sits 141.9% above the 2017 sale of £62,000. On the market in May 2017 and unlisted since — roughly 9 years.
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Open-plan layoutYes
- Utility roomYes
- EnsuiteYes
- BasementYes
- FireplaceYes
Outside
- Private gardenRear
- Notable viewsYes
Building
- Period featuresYes
- RefurbishedYes
Energy performance
1 Castle Street sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Hot water system upgraded
Floor insulation added or improved
Heating controls upgraded for better temperature management
Wall insulation improved
Loft insulation installed or upgraded to 250mm+
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
1 Castle Street has no planning applications on record.
But the area is active
6 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
£150,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.3% per year over 7 years.
£62,000
Growth on file: 1.3% per year over 7 years.
Sales timeline
4 May 2017Most recent
£62,000
+8.8%over 6 years26 September 2010
£57,000
Versus other Castle Street homes
EPC Rating for 1 Castle Street lags the street by a wide margin.
EPC Rating
62 (D)
Street avg 76 (C)
Floor Area
102 m²
Street avg 78 m²
CO₂ Emissions
4.4 t/year
Street avg 2.2 t/year
Habitable Rooms
3 rooms
Street avg 4 rooms
Similar properties nearby
1 Barnsley Avenue, Conisbrough
DN12 3LB
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1 Burcroft Hill, Conisbrough
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1 Cedric Avenue, Conisbrough
DN12 3PB
1 Castle Grove Terrace, Low Road, Conisbrough
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1 Beltoft Way, Conisbrough
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1 Castle Terrace, Conisbrough
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Castle Hill/Castle Avenue — bus stop.
Closest school
0.4 km
Castle Academy. 10 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
52.0dB

Night-time· 23:00 – 07:00
41.9dB







