21 Barnwell Close, Thrapston, Kettering, NN14 4UY
About 21 Barnwell Close
21 Barnwell Close is a three-bedroom detached house in Thrapston, Kettering, Kettering (NN14 4UY). It has a recorded floor area of 78 m² (around 840 sq ft), construction records dating it to 1996-2002 and council tax band C. The latest certificate (August 2020) shows a C (score 70). When first surveyed in April 2010 the rating was D, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Average to Good, lighting went from Very Poor to Very Good and main heating went from Average to Good. The recommended improvements would push it to B (score 84). The home occupies a corner plot.
Across 1996–2021, sale prices on this property compounded at 5.6% per year. Today's modelled estimate of £291,000 is 17.6% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£295/sq ft) was about 75.3% above the typical sold price in the postcode. Last sale on file: £247,500 in February 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms3
- Bathrooms1
Outside
- Private gardenRear
- GarageSingle
- Corner plotYes
Building
- RefurbishedYes
Energy performance
EPC Rating
Certificate validity
Valid until 5 August 2030
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
Window efficiency improved
Floor insulation added or improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has been extended more than once, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
21 Barnwell Close has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
Sale price has grown by over 3x since 1996.
£291,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.6% per year over 25 years.
£247,500
Growth on file: 5.6% per year over 25 years.
Sales timeline
24 February 2021Most recent
£247,500
+61.8%over 7 years10 June 2013
£153,000
+7.0%over 2 years21 October 2010
£143,000
+15.3%over 7 years12 June 2003
£124,000
+89.3%over 4 years30 October 1998
£65,500
+2.4%over 2 years20 February 1996
£63,950
Median price across the last 5 sales in NN14 4UY: £327,000 (2026–2021).
Nearby sales in NN14 4UY
17 Barnwell Close, Thrapston, Kettering, NN14 4UY
Sold Jan 2026
£210,00015 Barnwell Close, Thrapston, Kettering, NN14 4UY
Sold Jan 2025
£295,0007 Barnwell Close, Thrapston, Kettering, NN14 4UY
Sold Sept 2022
£400,0008 Barnwell Close, Thrapston, Kettering, NN14 4UY
Sold Dec 2020
£335,00019 Barnwell Close, Thrapston, Kettering, NN14 4UY
Sold Sept 2020
£310,000
Versus other Barnwell Close homes
21 Barnwell Close outperforms the street on price per m² by a wide margin.
Price per m²
£3,173
Street avg £2,295
Floor Area
78 m²
Street avg 93 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
2.9 t/year
Street avg 3.5 t/year
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The neighbourhood at a glance
Crime
172/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Barnwell Close — bus stop.
Closest school
0.6 km
Thrapston Primary School. 2 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
54.4dB

Night-time· 23:00 – 07:00
43.8dB







