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Get started12 Grass Slade is a detached house in Brixworth, Northampton, Northampton (NN6 9HZ). It has a recorded floor area of 76 m² (around 818 sq ft), construction records dating it to 1976-1982 and council tax band C. The latest certificate (February 2014) shows a D (score 67), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 85), a 2-band jump. The latest certificate is from February 2014, so improvements made since then won't be reflected.
Sale prices here have outpaced England HPI: 7.5% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£373/sq ft) was about 93.7% above the typical sold price in the postcode. One planning record on file: an extension approved in 2026. Past consents include an extension and a porch, meaningful when judging how the property has evolved. At 76 m² it's 22.4% smaller than the typical home in the postcode (98 m² median across 19 EPCs). Sold June 2022 for £305,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Recommended upgrades on file would lift this property by multiple EPC bands.
This certificate is over 10 years old and is no longer valid.Expired 18 Feb 2024
Council records include a two-storey side extension at 12 Grass Slade.
Extension: Two storey · Side of property
Proposed two storey side extension and front canopy
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£324,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.5% per year over 8 years.
£305,000
Growth on file: 7.5% per year over 8 years.
On price per m², 12 Grass Slade stands well clear of the street.
Price per m²
£4,013
Street avg £2,784
Floor Area
76 m²
Street avg 93 m²
Habitable Rooms
5 rooms
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
BT Exchange — bus stop.

Daytime· 07:00 – 23:00
51.2dB

7 June 2022Most recent
£305,000
+80.5%over 8 years17 April 2014
£169,000
Median price across the last 5 sales in NN6 9HZ: £300,000 (2025–2021).
Street avg 5 rooms
CO₂ Emissions
3.1 t/year
Street avg 4.3 t/year
Closest school
0.7 km
Brixworth CofE VC Primary School. 2 schools nearby.
Night-time· 23:00 – 07:00
41.0dB
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