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Get started17a, Dereham Road, Mattishall, Dereham, NR20 3AA
About 17a
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
17a is a four-bedroom detached house in Mattishall, Dereham, Dereham (NR20 3AA). It has a recorded floor area of 155 m² (around 1668 sq ft) and construction records dating it to 1991-1995. The latest certificate (July 2022) shows a D (score 60), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since June 2022. Between certificates, roof efficiency dropped from Very Good to Good and window efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 82), a 2-band jump. Main heating runs on oil.
It hasn't traded since June 2004, a hold of 22 years that's notably long for the area. Sale prices here have outpaced England HPI: 9.2% per year against 0% for the wider region. Today's modelled estimate of £432,000 sits 96.4% above the 2004 sale of £220,000. On a £-per-square-foot basis, the last sale (£132/sq ft) was about 17.5% below the postcode norm. At 155 m² the property is well over the postcode median (111 m² across 5 EPCs), placing it in the larger end of the local stock.
What this property has
Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.
Inside
- Bedrooms4
- Bathrooms3
- Dining roomYes
- Utility roomYes
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
17a's carbon output runs well above what efficient homes in the postcode produce.
Current Certificate(1 of 2)
Jul 2022
EPC Rating
A
B
C
D
D60
E
F
G
Main Heating
Gas
Main Fuel
Oil
Hot Water
Average
Windows
Average
CO2 Emissions
6.6 t/year
Occupancy
Owner Occupied
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
17a valuation sits well clear of the typical sold price in this postcode.
Current estimate
See how we calculated this£432,000
Modelled from EPC, postcode comparables and a sale-price growth of 9.2% per year over 2 years.
Last sold (2004)
£220,000
Growth on file: 9.2% per year over 2 years.
Sales timeline
Full property reportLaunch offer · 33% off
The complete analysis of 17a, Dereham Road, Mattishall, Dereham, NR20 3AA
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
Versus other Dereham Road homes
Four headline reads against 5 similar houses on this street, drawn from the latest EPC and Land Registry data.
Years Held for 17a runs comfortably ahead of the street norm.
Price per m²
£1,419
Street avg £1,862
Floor Area
155 m²
Street avg 152 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
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 Dereham district page.
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
1/mo
Steady year-on-year across the wider district.
Closest school
0.1 km
Road noise across the postcode
Modelled day and night-time noise levels around NR20 3AA from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
44.7dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 2 points of interest in total.
Common questions
The questions buyers, sellers and homeowners most often ask about 17a, Dereham Road, Mattishall, Dereham, NR20 3AA. Each answer is also embedded as structured data for search engines.