257 South Street, Keighley, BD21 1AG
About 257 South Street
257 South Street is an end-of-terrace house in Keighley (BD21 1AG). It has a recorded floor area of 150 m² (around 1615 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (September 2023) shows a C (score 69), just inside the C band. When first surveyed in November 2016 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Good, roof efficiency went from Average to Very Good and window efficiency went from Poor to Average. The recommended improvements would push it to B (score 82).
Across 2021–2024, sale prices on this property compounded at 48.6% per year. Today's modelled estimate of £129,000 is 24.1% below the 2024 sale of £170,000, an unusual pattern given regional price growth and worth checking against the EPC condition. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include HMO conversion and a loft conversion, meaningful when judging how the property has evolved. Most recent transfer: April 2024 at £170,000.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Windows upgraded, improving insulation
Wall insulation improved
Roof insulation improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
2 applications on record at 257 South Street, Keighley, BD21 1AG
- Jul 2021Loft ConversionOutlineOutcome in report
Rear dormer window
- Documents
- 9 docs on file
- Reference
- 21/02670/CLP
- More recent applications — locked
- HMOOct 2022Decision
Unlock 257 South Street, Keighley, BD21 1AG's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (2 on record)
- All 2 applications on this property in full, plus 2 notable nearby
- The 9 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Sale price has grown by over 3x since 2021.
£129,000
Modelled from EPC, postcode comparables and a sale-price growth of 48.6% per year over 3 years.
£170,000
Growth on file: 48.6% per year over 3 years.
Sales timeline
21 April 2024Most recent
£170,000
+223.8%over 2 years4 May 2021
£52,500
Median price across the last 4 sales in BD21 1AG: £39,500 (2020–1997).
Similar properties nearby
The neighbourhood at a glance
Crime
6/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
The Knowle — bus stop.
Closest school
0.4 km
St Joseph's Catholic Primary School. 19 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
53.0dB

Night-time· 23:00 – 07:00
42.7dB







