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Get started11 Baker Street is a two-bedroom semi-detached house in Wellingborough (NN8 4DY). It has a recorded floor area of 79 m² (around 850 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (August 2023) shows an E (score 48), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since June 2013. Between certificates, window efficiency went from Average to Good and lighting went from Good to Very Good. The recommended improvements would lift it to C (score 74), a 2-band jump.
Sale prices here have outpaced England HPI: 11.8% per year against 0% for the wider region. Today's modelled estimate of £186,000 is 30.1% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£168/sq ft) was about 66.3% above the typical sold price in the postcode. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. On the market in December 2016 and unlisted since — roughly 9 years. Across the public record there are 7 sales, relatively high churn for a single property.
11 Baker Street sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
11 Baker Street has more than quadrupled in price since its earliest registered sale in 1997.
£186,000
Modelled from EPC, postcode comparables and a sale-price growth of 11.8% per year over 20 years.
£142,995
Growth on file: 11.8% per year over 20 years.
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EPC Rating for 11 Baker Street lags the street by a wide margin.
Price per m²
£1,810
Street avg £1,435
Floor Area
79 m²
Street avg 78 m²
Habitable Rooms
5 rooms
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Health Centre — bus stop.

Daytime· 07:00 – 23:00
52.2dB

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Changes detected from historical EPC data
Window efficiency improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
9 December 2016Most recent
£142,995
+16.7%over 3 years18 October 2013
£122,500
-1.8%over 6 years19 April 2007
£124,750
+17.7%over 1 year19 August 2005
£106,000
+101.9%over 4 years24 May 2001
£52,500
+46.0%over 3 years11 July 1997
£35,950
+131.9%5 February 1997
£15,500
Median price across the last 5 sales in NN8 4DY: £142,500 (2025–2011).
Detailed EPC data
Full energy ratings, history and recommendations
Full planning history
Every application and decision on record
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Comparable sales, transport, crime, schools and more

Street avg 4 rooms
CO₂ Emissions
5.2 t/year
Street avg 3.9 t/year
NN8 4HH
Closest school
0.1 km
The Avenue Infant School. 19 schools nearby.
Night-time· 23:00 – 07:00
42.4dB