21 Knowles Street, Rishton, Blackburn, BB1 4JA is a leasehold terraced property built between 1900-1929. The property offers approximately 969 square feet of living space. In this location, properties of similar size usually have three bedrooms.

The estimated current market value of the property is £142,279 , which equates to approximately £147 per square foot. It was last sold on 9 Sep 2003 for £43,000. Since then, the value has increased by £99,279, representing a 230.9% increase, or approximately 10.1% per year.

The current estimated value of £142,279 is:

  • 14.3% higher than the average property price on Knowles Street
  • 28.1% higher than the average in the BB1 4JA postcode area
  • and 22.8% lower than the average price for Blackburn as a whole

View sold house prices in BB1 4JA

Building approximate location

About Property

Type
Terraced House
Built
1900-1929
Interior Size
969 sq ft
Tenure
Leasehold
Price (estimate)
£142,279
Price Per sq ft (estimate)
£147
Bedroom Count (estimate)
3 bedrooms

EPC Summary

21 Knowles Street, Rishton, Blackburn, Hyndburn, Lancashire, BB1 4JA has an Energy Performance Certificate (EPC) rating of E, based on the latest assessment carried out on 29 Oct 2013.

This property uses a gas-fired boiler and radiators, connected to the mains gas supply, as its main heating source. Hot water is provided from the main heating system, though the cylinder has no thermostat. The windows are fully double glazed.

The previous EPC assessment was conducted on 20 Jan 2011. The rating of E remains the same, but the energy efficiency score improved by 1.9%.

Since the previous assessment, several changes were observed:

  • The main heating energy efficiency improving from average to good, while the heating system type remained the same (boiler and radiators, mains gas).
  • The roof construction or insulation changed from pitched, 150 mm loft insulation to pitched, 100 mm loft insulation, changing energy efficiency from good to average.
  • The windows were upgraded from mostly double glazing to fully double glazed.
  • The lighting was updated from low energy lighting in 9% of fixed outlets to low energy lighting in 73% of fixed outlets, with efficiency improving from very poor to very good.
Heating Type
Boiler and radiators, mains gas
Good
Hot Water
From main system, no cylinder thermostat
Poor
Roof
Pitched, 100 mm loft insulation
Average
Walls
Sandstone, as built, no insulation (assumed)
Very Poor
Windows
Fully double glazed
Average
Lighting
Low energy lighting in 73% of fixed outlets
Very Good

Compared to BB1 4JA

13 th / 32
Price Rank
28% higher than average
6 th / 27
Size Rank
2% smaller than average
11 th / 27
Price Per Sq FT Rank
31% higher than average

Sale History

Today
£142,279
streetscan.co.uk estimate
+231 %
9 Sep 2003
£43,000
Leasehold

Flood Risk for this Property

Flood risk from rivers and the sea
Very low flood risk
Flood risk from surface water
Very low flood risk
Surface water flood hazard
No mapped risk

* Results are based on Environment Agency flood risk mapping for the property UPRN where available. They are indicative and should not be treated as a site-specific flood survey.

Flood risk from rivers and the sea

This property has very low flood risk from rivers and the sea.

River and sea flooding includes flooding caused by overflowing rivers, estuaries, tidal waters and coastal surges.

Flood risk from surface water

This property has very low surface water flood risk.

Surface water flooding can happen when heavy rainfall overwhelms drains, roads, gardens or other hard surfaces.

Flood depth indicators

Rivers and Sea
  • 0.2m depth No mapped risk
  • 0.3m depth No mapped risk
  • 0.6m depth No mapped risk
  • 0.9m depth No mapped risk
  • 1.2m depth No mapped risk
Surface Water
  • 0.2m depth No mapped risk
  • 0.3m depth No mapped risk
  • 0.6m depth No mapped risk
  • 0.9m depth No mapped risk
  • 1.2m depth No mapped risk

Area Insights

Similar Properties Sold Nearby

rooms: 4
size: 872 sq ft
sale price: £80,000
sale date: 10 Apr 2026
rooms: 4
size: 883 sq ft
sale price: £115,000
sale date: 8 Apr 2026
rooms: 5
size: 904 sq ft
sale price: £105,000
sale date: 14 Jul 2025
rooms: 4
size: 936 sq ft
sale price: £78,000
sale date: 27 Feb 2024
rooms: 4
size: 893 sq ft
sale price: £89,000
sale date: 27 Jun 2023

Data Sources

The property at 21 Knowles Street, Rishton, Blackburn, BB1 4JA appears once in HM Land Registry records, with the transaction recorded on 9 Sep 2003. It also has two Energy Performance Certificate (EPC) records, the earliest dating back to 29 Oct 2013. We use this information to estimate the property's characteristics, flood risk profile and current market value.

This website uses public sector information from:

These datasets are licensed under the Open Government Licence v3.0 .

StreetScan.co.uk is not affiliated with, endorsed by, or associated with HM Land Registry, DESNZ, MHCLG, Defra or the Environment Agency.


Disclaimer: StreetScan.co.uk makes all reasonable efforts to ensure that the information provided on this website is current and accurate. However, no warranties or representations are made regarding its completeness, accuracy, suitability or reliability. Property values, flood risk assessments and other derived information are estimates based on publicly available datasets and should not be relied upon as professional, legal, surveying, environmental, financial or insurance advice. StreetScan.co.uk expressly disclaims all liability for any loss, damage, cost or expense arising directly or indirectly from the use of, or reliance upon, information provided on this website.