21a, Butlers Close, Aston Le Walls, Daventry, NN11 6UH
About 21a
21a is a detached house in Aston Le Walls, Daventry, Daventry (NN11 6UH). It has a recorded floor area of 110 m² (around 1184 sq ft) and council tax band E. The latest certificate (August 2012) shows a C (score 78), near the top of the C band. Main heating runs on oil. The latest certificate is from August 2012, so improvements made since then won't be reflected.
On energy efficiency it sits in the top 10% of properties in this postcode. Most recent transfer was August 2025 at £430,000 — fresh data. Across 2013–2025, sale prices on this property compounded at 2.1% per year. On a £-per-square-foot basis, the last sale (£363/sq ft) was about 52.7% above the typical sold price in the postcode.
Know exactly what you're buying at 21a
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
21a 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This certificate is over 10 years old and is no longer valid.Expired 23 Aug 2022
EPC Rating
Planning history
21a has no planning applications on record.
Notable planning nearby
3applications of note in the surrounding area
We flagged 1 thing worth checking at 21a
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
Latest sale on 21a was the highest on Land Registry record across the postcode.
£406,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.1% per year over 12 years.
£430,000
Growth on file: 2.1% per year over 12 years.
Sales timeline
14 August 2025Most recent
£430,000
+28.4%over 11 years19 September 2013
£335,000
Median price across the last 5 sales in NN11 6UH: £360,000 (2025–2021).
Nearby sales in NN11 6UH
14 Butlers Close, Aston Le Walls, Daventry, NN11 6UH
Sold Mar 2025
£422,00022 Butlers Close, Aston Le Walls, Daventry, NN11 6UH
Sold Feb 2025
£360,00027 Butlers Close, Aston Le Walls, Daventry, NN11 6UH
Sold Oct 2023
£292,5002 Butlers Close, Aston Le Walls, Daventry, NN11 6UH
Sold May 2022
£325,00012 Butlers Close, Aston Le Walls, Daventry, NN11 6UH
Sold Aug 2021
£375,000
Everything we know about 21a, 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 Butlers Close homes
21a is notably below the street on years held.
Price per m²
£3,909
Street avg £2,933
Floor Area
110 m²
Street avg 106 m²
CO₂ Emissions
3.1 t/year
Street avg 6.3 t/year
Years Held
1 years
Street avg 9 years
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1 Fessey Road, Byfield
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1 Butlers Close, Aston Le Walls
NN11 6UH
1 Home Close, Staverton
NN11 6JR
1 High Street, Byfield
NN11 6XQ
1 Boddington Road, Byfield
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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
0.2 km
Main Street — bus stop.
Closest school
0.1 km
St Mary's Catholic Primary School, Aston-le-Walls. 4 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
43.5dB

Night-time· 23:00 – 07:00
35.7dB