18 Allard Close, Northampton, NN3 5LY
About 18 Allard Close
18 Allard Close is a four-bedroom detached house in Northampton (NN3 5LY). It has a recorded floor area of 133 m² (around 1433 sq ft), construction records dating it to 1983-1990 and council tax band E. The latest certificate (December 2011) shows a D (score 63), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 71). The latest certificate is from December 2011, so improvements made since then won't be reflected.
It hasn't traded since June 2007, a hold of 19 years that's notably long for the area. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. At 133 m² the property is well over the postcode median (77 m² across 32 EPCs), placing it in the larger end of the local stock. Across 2000–2007, sale prices on this property compounded at 6.5% per year. Today's modelled estimate of £353,000 sits 88.8% above the 2007 sale of £187,000. On a £-per-square-foot basis, the last sale (£131/sq ft) was about 25.6% below the postcode norm.
What this property has
Inside
- Bedrooms4
Everything you need to know about 18 Allard Close
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Energy performance
18 Allard Close's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 13 Dec 2021
EPC Rating
Certificate validity
Expired on 13 December 2021
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Level 2 HomeBuyer Report
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Planning history
18 Allard Close has no planning applications on record.
But the area is active
4 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
18 Allard Close saw 3 transfers in just over a decade — high turnover for the postcode.
£353,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.5% per year over 7 years.
£187,000
Growth on file: 6.5% per year over 7 years.
Sales timeline
17 June 2007Most recent
£187,000
+62.6%over 6 years12 December 2000
£115,000
-5.7%21 September 2000
£122,000
Median price across the last 5 sales in NN3 5LY: £287,000 (2025–2022).
Nearby sales in NN3 5LY
Versus other Allard Close homes
Price per m² for 18 Allard Close lags the street by a wide margin.
Price per m²
£1,405
Street avg £2,640
Floor Area
133 m²
Street avg 83 m²
Habitable Rooms
7 rooms
Street avg 5 rooms
CO₂ Emissions
5.5 t/year
Street avg 3.4 t/year
Everything you need to know about 18 Allard Close
The true value, the hidden risks and the full sale history, in one report.
Pick your report · from £14.99
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The data behind every report
Similar properties nearby
The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
461/mo
Falling year-on-year across the wider district.
Nearest stop
0.2 km
Allard Close — bus stop.
Closest school
0.3 km
Rectory Farm Primary School. 17 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
49.2dB
Night-time· 23:00 – 07:00
40.8dB