Flat 1, 171 Watling Street West, Towcester, NN12 6BX
About Flat 1
Flat 1 is a mid-terrace house in Towcester (NN12 6BX). It has a recorded floor area of 68 m² (around 732 sq ft) and construction records dating it to 1900-1929. The latest certificate (June 2015) shows a C (score 79), near the top of the C band. The rating has held steady at C across 2 certificates since May 2015. The latest certificate is from June 2015, so improvements made since then won't be reflected.
Today's modelled estimate of £191,000 is 53.7% below the 2022 sale of £412,571, a rare downward gap that often correlates with deferred maintenance or unfinished works. On a £-per-square-foot basis, the last sale (£564/sq ft) was about 141.8% above the typical sold price in the postcode. At 68 m² it's 15% smaller than the typical home in the postcode (80 m² median across 12 EPCs). On energy efficiency it sits in the top 10% of properties in this postcode. Sold September 2022 for £412,571. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at Flat 1
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
Flat 1 ranks among the most efficient homes in the postcode for energy use.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 24 Jun 2025
EPC Rating
Property Improvements
Changes detected from historical EPC data
Windows upgraded, improving insulation
Wall insulation upgraded
Planning history
Flat 1 has no planning applications on record.
Notable planning nearby
7applications of note in the surrounding area
We flagged 1 thing worth checking at Flat 1
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£191,000
Modelled from EPC, postcode comparables.
£412,571
Recorded with HM Land Registry.
Sales timeline
26 September 2022Most recent
£412,571
Median price across the last 5 sales in NN12 6BX: £345,000 (2025–2020).
Nearby sales in NN12 6BX
193a, Watling Street West, Towcester, NN12 6BX
Sold Jan 2025
£345,000161 Watling Street West, Towcester, NN12 6BX
Sold Jun 2021
£398,000157 Watling Street West, Towcester, NN12 6BX
Sold May 2021
£800,000191a, Watling Street West, Towcester, NN12 6BX
Sold Dec 2020
£200,000183a, Watling Street West, Towcester, NN12 6BX
Sold Feb 2020
£633,500
Everything we know about Flat 1, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus other Watling Street West homes
On epc rating, Flat 1 stands well clear of the street.
EPC Rating
79 (C)
Street avg 46 (E)
Floor Area
68 m²
Street avg 73 m²
CO₂ Emissions
1.7 t/year
Street avg 7.5 t/year
Similar properties nearby
Flat 1, 8 Watling Street East
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Flat 1, 152 Watling Street East
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Flat 2, 171 Watling Street West
NN12 6BX
Flat 11, 152 Watling Street East
NN12 6DB
Flat 14, 152 Watling Street East
NN12 6DB
Flat 2, 152 Watling Street East
NN12 6DB
Flat 10, 152 Watling Street East
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The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Brave Old Oak PH — bus stop.
Closest school
0.3 km
Sponne School. 6 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
48.4dB

Night-time· 23:00 – 07:00
40.0dB