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Get started21a, Sywell Road, Overstone, Northampton, NN6 0AQ
About 21a
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
21a is a semi-detached house in Overstone, Northampton, Northampton (NN6 0AQ). It has a recorded floor area of 34 m² (around 366 sq ft) and construction records dating it to 2003-2006. At 34 m² this is the smallest unit on EPC record across the building (34–686 m²). The building's EPC ratings span E to B across 28 units on file. The latest certificate (April 2018) shows a C (score 77), near the top of the C band.
Untraded for 20 years, with the last transfer in January 2006. At 34 m² it sits well below the postcode median (147 m² across 27 EPCs), making it one of the more compact homes locally. Today's modelled estimate of £177,000 is 31.1% above the 2006 sale price. On a £-per-square-foot basis, the last sale (£369/sq ft) was about 79% above the typical sold price in the postcode.
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
21a's carbon output is low for the local stock.
EPC Rating
A
B
C
C77
D
E
F
G
Main Heating
Electric & Gas
Main Fuel
Gas
Hot Water
Very Good
Windows
Good
CO2 Emissions
1.1 t/year
Occupancy
Rented
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
21a valuation runs notably under the typical sold price in this postcode.
Current estimate
See how we calculated this£177,000
Modelled from EPC, postcode comparables.
Last sold (2006)
£135,000
Recorded with HM Land Registry.
Sales timeline
Versus other Sywell Road homes
Four headline reads against 3 similar flats on this street, drawn from the latest EPC and Land Registry data.
21a is notably below the street on epc rating.
EPC Rating
77 (C)
Street avg 78 (C)
Floor Area
34 m²
Street avg 59 m²
CO₂ Emissions
1.1 t/year
Street avg 1.5 t/year
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the Northampton district page.
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Road noise across the postcode
Modelled day and night-time noise levels around NN6 0AQ from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
42.8dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 42 points of interest in total.
Beautiful places to visit nearby
Curated scenic spots within reach of this postcode, served by Beautifulplaces.ai. Photography and tagging come from their open dataset.
Common questions
The questions buyers, sellers and homeowners most often ask about 21a, Sywell Road, Overstone, Northampton, NN6 0AQ. Each answer is also embedded as structured data for search engines.