What type of property is 23 Sir Williams Close, NR11 6AP?

23 Sir Williams Close, NR11 6AP is a 3-bedroom detached house, on a corner plot and which has been extended.

What was the last sold price for 23 Sir Williams Close, NR11 6AP?

23 Sir Williams Close, NR11 6AP last sold for £240,000 in December 2016, around 9 years ago. Source: HM Land Registry.

What energy rating does 23 Sir Williams Close, NR11 6AP have?

The current EPC rating for 23 Sir Williams Close, NR11 6AP is E with a score of 53 out of 100, lodged in April 2016. The assessor estimates the property could reach a C. Source: EPC Register.

What is the floor area of 23 Sir Williams Close, NR11 6AP?

23 Sir Williams Close, NR11 6AP has a recorded floor area of 114 m² (1,227 sq ft), around 38 m² per bedroom. That makes it about 25% larger than the median EPC-recorded property in NR11 6AP. Source: EPC Register.

How is 23 Sir Williams Close, NR11 6AP heated?

The latest EPC at 23 Sir Williams Close, NR11 6AP records mains gas as the main heating fuel. Source: EPC Register.

What council tax band is 23 Sir Williams Close, NR11 6AP?

23 Sir Williams Close, NR11 6AP is in council tax band C.

Where is 23 Sir Williams Close, NR11 6AP located?

23 Sir Williams Close, NR11 6AP sits in Aylsham, Norwich, Norwich. It falls within the NR11 postcode district in Norfolk.

Is 23 Sir Williams Close, NR11 6AP in a safe area?

Police records around 23 Sir Williams Close, NR11 6AP show an average of 3 reported crimes per month over the last 7 months. Violent crime makes up roughly 53% of reports, the most common category. The overall trend is broadly stable. Source: Police UK.

Which schools serve 23 Sir Williams Close, NR11 6AP?

The closest primary school to 23 Sir Williams Close, NR11 6AP is St Michael's Church of England VA Primary and Nursery School (680m), one of 3 primaries within walking distance. The closest secondary is Aylsham High School (150m).

What is the nearest station to 23 Sir Williams Close, NR11 6AP?

The closest underground stop to 23 Sir Williams Close, NR11 6AP is Aylsham (Bure Valley Railway), 500m away.

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23 Sir Williams Close, Aylsham, Norwich, NR11 6AP

Property type

Detached

Bedrooms

Floor area

114 m²

1227 sq ft

Energy rating

Score 53

Council tax

Band C

Tenure

Owner Occupied

Overview

About 23 Sir Williams Close

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

23 Sir Williams Close is a three-bedroom detached house in Aylsham, Norwich, Norwich (NR11 6AP). It has a recorded floor area of 114 m² (around 1227 sq ft), construction records dating it to 1976-1982 and council tax band C. The latest certificate (April 2016) shows an E (score 53), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 80), a 2-band jump. The latest certificate is from April 2016, so improvements made since then won't be reflected. Records show the property has been extended at some point in its history. The home occupies a corner plot.

At 114 m² it's 23.9% larger than the typical home in the postcode (92 m² median across 30 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 80% of similar EPCs). Last sold in December 2016, so it's been off the market for around 9 years. Today's modelled estimate of £328,000 is 36.7% above the 2016 sale price.

Specifications

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

Bedrooms3

Outside

Private gardenYes
GarageDouble
Corner plotYes

Building

Previously extendedYes

Before you decide

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Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

23 Sir Williams Close's carbon output runs well above what efficient homes in the postcode produce.

EPC Expired

This certificate is over 10 years old and is no longer valid.Expired 19 Apr 2026

EPC Rating

E53

Main Heating

Gas

Main Fuel

Gas

Hot Water

Average

Windows

Average

CO2 Emissions

6.9 t/year

Occupancy

Owner Occupied

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Late 20th centuryDetached BungalowEPC E

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Planning

Planning history

Applications and permits filed against 23 Sir Williams Close, Aylsham, Norwich, NR11 6AP, sourced from the PlanIt planning register.

23 Sir Williams Close has no planning applications on record.

A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

23 Sir Williams Close valuation sits well clear of the typical sold price in this postcode.

Current estimate

£328,000

Modelled from EPC, postcode comparables.

See how we calculated this

Last sold (2016)

£240,000

Recorded with HM Land Registry.

Sales timeline

5 December 2016Most recent
£240,000

Median price across the last 5 sales in NR11 6AP: £275,000 (2025–2021).

Nearby sales in NR11 6AP

On the street

Versus other Sir Williams Close homes

Four headline reads against 30 similar houses on this street, drawn from the latest EPC and Land Registry data.

CO₂ Emissions for 23 Sir Williams Close lags the street by a wide margin.

Price per m²

£2,105

Street avg £2,541

Below

Floor Area

114 m²

Street avg 94 m²

Above

Habitable Rooms

7 rooms

Street avg 5 rooms

Strongly above

CO₂ Emissions

6.9 t/year

Street avg 4.5 t/year

Strongly below

Before you decide

Everything you need to know about 23 Sir Williams Close

The true value, the hidden risks and the full sale history, in one report.

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The data behind every report

Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.

£330k

1 Adey Close, Aylsham

NR11 6WH

3 bed1 bath

£322k

1 Buxton Road, Aylsham

NR11 6JD

3 bed

£321k

1 Church Farm Cottages, Banningham Road, Aylsham

NR11 6LS

3 bed1 bath

£349k

1 Aylsham Road, Tuttington

NR11 6TE

3 bed1 bath

£367k

1 Breeze Avenue, Aylsham

NR11 6WF

3 bed2 bath

£383k

1 Banningham Road, Aylsham

NR11 6LP

3 bed

£454k

1 Common Lane, Tuttington

NR11 6TH

3 bed

£345k

1 Aegel Gardens, Aylsham

NR11 6GQ

2 bed1 bath

Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the Norwich district page.

Full Norwich report

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.

Closest school

0.1 km

Aylsham High School. 4 schools nearby.

Go deeper on the local area

A Local Area report breaks down crime, transport links, schools and air quality in depth.

Noise

Road noise across the postcode

Modelled day and night-time noise levels around NR11 6AP from Defra's strategic mapping. The pin marks this postcode's centroid.

Daytime· 07:00 – 23:00

48.6dB

Low

Night-time road noise heatmap for NR11 6AP

Night-time· 23:00 – 07:00

38.9dB

Low

55 dB

60 dB

65 dB

70 dB

75 dB

80 dB

Defra Road Noise Strategic Mapping, Round 4

FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 23 Sir Williams Close, Aylsham, Norwich, NR11 6AP. Each answer is also embedded as structured data for search engines.