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Get started21 High Street is a four-bedroom detached house in Crick, Northampton, Northampton (NN6 7TS). It has a recorded floor area of 158 m² (around 1701 sq ft), construction records dating it to before 1900 and council tax band D. The latest certificate (March 2023) shows an F (score 27), near the bottom of the EPC scale. The rating has held steady at F across 2 certificates since June 2011. Between certificates, window efficiency went from Average to Good and lighting went from Good to Very Good; while hot-water efficiency dropped from Average to Poor and main heating dropped from Average to Very Poor. The recommended improvements would lift it to D (score 57), a 2-band jump. Main heating runs on electricity. Period features are noted in the property record.
Sale prices here have outpaced England HPI: 7.1% per year against 0% for the wider region. Today's modelled estimate of £499,000 is 21.7% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£241/sq ft) was about 46.5% 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. Last sale on file: £410,000 in January 2020. Across the public record there are 4 sales, relatively high churn for a single property.
21 High Street sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
21 High Street has more than quadrupled in price since its earliest registered sale in 1996.
£499,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.1% per year over 24 years.
£410,000
Growth on file: 7.1% per year over 24 years.
21 High Street is notably below the street on epc rating.
Price per m²
£2,595
Street avg £2,223
Floor Area
158 m²
Street avg 145 m²
Habitable Rooms
6 rooms
Street avg 7 rooms
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Church Street — bus stop.

Daytime· 07:00 – 23:00
51.4dB

Changes detected from historical EPC data
Replaced storage heaters with gas boiler
Heating controls upgraded for better temperature management
Hot water system upgraded
Window efficiency improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
24 January 2020Most recent
£410,000
+18.8%over 1 year9 February 2018
£345,000
+25.5%over 6 years13 October 2011
£275,000
+241.6%over 15 years3 May 1996
£80,500
Median price across the last 5 sales in NN6 7TS: £425,000 (2025–2021).
CO₂ Emissions
13.0 t/year
Street avg 8.9 t/year
NN6 7YN
Closest school
0.2 km
Crick Primary School. 2 schools nearby.
Night-time· 23:00 – 07:00
43.2dB
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