Hardwick House, Flat 20, King Street, Norwich, NR1 1DB
About Hardwick House
Hardwick House is a semi-detached house in Norwich (NR1 1DB). It has a recorded floor area of 51 m² (around 549 sq ft), construction records dating it to 2007-2011 and council tax band B. At 51 m² this is the 11th smallest of 22 units on EPC record in Hardwick House, where floor areas span 23–276 m². The building's EPC ratings span G to C, with this unit at the top. The latest certificate (July 2024) shows a C (score 69), just inside the C band. The rating has held steady at C across 2 certificates since November 2011. Between certificates, wall efficiency went from Good to Very Good and lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Average to Very Poor and main heating dropped from Average to Very Poor. The recommended improvements would push it to B (score 85). Main heating runs on electricity.
Last sold in April 2016, so it's been off the market for around 10 years. Across 2007–2016, sale prices on this property compounded at -4.9% per year. Today's modelled estimate of £138,000 is 26.6% above the 2016 sale price.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating system changed
Heating controls upgraded for better temperature management
Hot water system changed
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
Hardwick House has no planning applications on record.
But the area is active
1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
£138,000
Modelled from EPC, postcode comparables and a sale-price growth of -4.9% per year over 9 years.
£109,000
Growth on file: -4.9% per year over 9 years.
Sales timeline
18 April 2016Most recent
£109,000
-35.9%over 8 years23 May 2007
£170,000
Median price across the last 5 sales in NR1 1DB: £105,000 (2025–2024).
Nearby sales in NR1 1DB
Hardwick House, Flat 9, King Street, Norwich, NR1 1DB
Sold Sept 2025
£105,000Hardwick House, Flat 15, King Street, Norwich, NR1 1DB
Sold May 2025
£175,000Hardwick House, Flat 4, King Street, Norwich, NR1 1DB
Sold Apr 2025
£128,000Hardwick House, Flat 1, King Street, Norwich, NR1 1DB
Sold Nov 2024
£100,000Hardwick House, Flat 12, King Street, Norwich, NR1 1DB
Sold Sept 2024
£105,000
Versus other King Street homes
On co₂ emissions, Hardwick House stands well clear of the street.
Price per m²
£2,137
Street avg £2,272
Floor Area
51 m²
Street avg 68 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
1.9 t/year
Street avg 3.8 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
10/mo
Rising year-on-year across the wider district.
Nearest stop
0.6 km
Norwich Rail Station — railway station.
Closest school
0.3 km
Charles Darwin Primary School. 33 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
52.6dB

Night-time· 23:00 – 07:00
41.9dB







