20 Castle Hill, Daventry, NN11 4AQ
About 20 Castle Hill
20 Castle Hill is a semi-detached house in Daventry (NN11 4AQ). It has a recorded floor area of 56 m² (around 603 sq ft), construction records dating it to 1967-1975 and council tax band B. The latest certificate (November 2025) shows a D (score 62), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since October 2020. Between certificates, wall efficiency went from Average to Good; while roof efficiency dropped from Good to Average and window efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 72).
Know exactly what you're buying at 20 Castle Hill
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
EPC Rating
Property Improvements
Changes detected from historical EPC data
Wall insulation improved
More low energy lighting installed
Planning history
20 Castle Hill has no planning applications on record.
Notable planning nearby
11applications of note in the surrounding area
We flagged 2 things worth checking at 20 Castle Hill
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.
- Signs of HMO activity in the area
- Larger development activity nearby
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Sales history & valuation
20 Castle Hill has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£197,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in NN11 4AQ: £220,000 (2022–2010).
Everything we know about 20 Castle Hill, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area
- Larger development activity nearby
Versus other Castle Hill homes
Floor Area for 20 Castle Hill lags the street by a wide margin.
EPC Rating
62 (D)
Street avg 64 (D)
Floor Area
56 m²
Street avg 73 m²
CO₂ Emissions
2.2 t/year
Street avg 3.3 t/year
Habitable Rooms
3 rooms
Street avg 5 rooms
Similar properties nearby
The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
The Pasture — bus stop.
Closest school
0.3 km
St James Infant School. 12 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
52.7dB
Night-time· 23:00 – 07:00
41.8dB