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.
39 OBSERVATORY ROAD is a very small terraced house of 69m², built sometime between 1950 and 1966, which could now be worth an estimated £198,202. It was last sold for £106,000 in July 2005, which was around 44% above the average July 2005 terraced price in the Blackburn with Darwen local authority area. The most recent EPC inspection was March 2026, where the current energy rating was D, and the potential energy rating was C.
Land registry data shows one sale for 39 OBSERVATORY ROAD 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 28 JUL | £106,000 | £73,719 | 44% above HPI |
39 OBSERVATORY ROAD might now be worth an estimated £198,202.
This is based on house price inflation of 87%, between July 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 87% inflationary increase is applied to the most recent sale price for 39 OBSERVATORY ROAD of £106,000 on 28th July 2005. For the value to have increased from £106,000 to £198,202 over the 21 years and two months to May 2026, the following assumptions must hold true:
39 OBSERVATORY ROAD is 69m² according to the EPC inspection conducted in March 2026. This puts it in the smallest 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 39 OBSERVATORY ROAD lies on this distribution: 13% of terraced houses are smaller than 39 OBSERVATORY ROAD, and 85% of terraced houses are larger. Note that EPC data is not available for all properties in Blackburn.

39 OBSERVATORY ROAD sits on a plot of roughly 0.222 of an acre, or 899m².
39 OBSERVATORY ROAD is located in BLACKBURN, in the BB2 postcode district.
Most recent sales first: