The information on this page is based on a number of underlying datasets, most of which are updated monthly. We maintain an update schedule which explains which version of each dataset we are currently relying on.
21 PROGRESS AVENUE is a very large extended terraced house of 115m², built sometime between 1900 and 1929, which could now be worth an estimated £169,284. It was last sold for £95,000 in December 2005, which was around 23% above the average December 2005 terraced price in the Blackburn with Darwen local authority area. The most recent EPC inspection was July 2026, where the current energy rating was D, and the potential energy rating was C.
Land registry data shows one sale for 21 PROGRESS AVENUE since 1st January 1995. The below table shows the price paid for the one sale, along with the average terraced price in the Blackburn with Darwen local authority area for the corresponding sale date. The average price is sourced from the Office for National Statistics' House Price Index (HPI).
| Date | Price | HPI Price | Variation from HPI |
|---|---|---|---|
2005 9 DEC | £95,000 | £77,355 | 23% above HPI |
21 PROGRESS AVENUE might now be worth an estimated £169,284.
This is based on house price inflation of 78.2%, between December 2005 and May 2026, for terraced houses, in the Blackburn with Darwen local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).
The 78.2% inflationary increase is applied to the most recent sale price for 21 PROGRESS AVENUE of £95,000 on 9th December 2005. For the value to have increased from £95,000 to £169,284 over the 21 years and seven months to May 2026, the following assumptions must hold true:
21 PROGRESS AVENUE is 115m², which includes two extensions, according to the EPC inspection conducted in July 2026. This puts it in the largest 20% of terraced houses in Blackburn, based on EPC data. The below chart shows the distribution of terraced houses by size in Blackburn, and where 21 PROGRESS AVENUE lies on this distribution: 85% of terraced houses are smaller than 21 PROGRESS AVENUE, and 14% of terraced houses are larger. Note that EPC data is not available for all properties in Blackburn.

21 PROGRESS AVENUE sits on a plot of roughly 0.023 of an acre, or 92m².
21 PROGRESS AVENUE is located in BLACKBURN, in the BB1 postcode district.
Most recent sales first: