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Get started25 Sir Williams Close is a three-bedroom detached house in Aylsham, Norwich, Norwich (NR11 6AP). It has a recorded floor area of 94 m² (around 1012 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (September 2012) shows an E (score 44), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 74), a 2-band jump. The latest certificate is from September 2012, so improvements made since then won't be reflected. It has already been extended once and our model flags further extension potential, a sign of buyer flexibility.
Today's modelled estimate of £286,000 sits 58.9% above the 2012 sale of £180,000. It lags the bulk of the postcode on energy efficiency (less efficient than 80% of similar EPCs). On the market in November 2012 and unlisted since — roughly 13 years.
25 Sir Williams Close's carbon output runs well above what efficient homes in the postcode produce.
This certificate is over 10 years old and is no longer valid.Expired 11 Sept 2022
25 Sir Williams Close valuation sits well clear of the typical sold price in this postcode.
£286,000
Modelled from EPC, postcode comparables.
£180,000
Recorded with HM Land Registry.
On epc rating, 25 Sir Williams Close runs well behind the street norm.
Price per m²
£1,915
Street avg £2,548
Floor Area
94 m²
Street avg 94 m²
Habitable Rooms
4 rooms
Rail-style transport is unusually close for this postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.5 km
Aylsham (Bure Valley Railway) — subway entrance.

Daytime· 07:00 – 23:00
48.6dB

30 November 2012Most recent
£180,000
Median price across the last 5 sales in NR11 6AP: £275,000 (2025–2021).
Street avg 5 rooms
CO₂ Emissions
6.6 t/year
Street avg 4.6 t/year
NR11 6JD
Closest school
0.1 km
Aylsham High School. 4 schools nearby.
Night-time· 23:00 – 07:00
38.9dB
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