Flat C, 1 Old Sunway, King's Lynn, PE30 1DN
About Flat C
Flat C is a semi-detached house in King's Lynn (PE30 1DN). It has a recorded floor area of 26 m² (around 280 sq ft), construction records dating it to 1996-2002 and council tax band A. The latest certificate (February 2026) shows an E (score 41), well below the UK norm with real room to improve. Earlier certificates rated it D (September 2008); the latest reading is one band lower. Between certificates, lighting went from Poor to Very Good; while wall efficiency dropped from Good to Poor and hot-water efficiency dropped from Average to Very Poor. The recommended improvements would lift it to C (score 75), a 2-band jump. Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition.
At 26 m² it sits well below the postcode median (61 m² across 14 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 86% of similar EPCs).
Energy performance
Flat C's carbon output is low for the local stock.
EPC Rating
Certificate validity
Valid until 7 February 2036
Property Improvements
Changes detected from historical EPC data
Hot water system upgraded
Single glazing replaced with double or better glazing
More low energy lighting installed
Heating system changed
Heating controls upgraded for better temperature management
Hot water system changed
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
Flat C has no planning applications on record.
But the area is active
7 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Flat C has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£117,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in PE30 1DN: £87,500 (2019–2007).
Nearby sales in PE30 1DN
Versus other Old Sunway homes
Flat C is notably below the street on epc rating.
EPC Rating
41 (E)
Street avg 64 (D)
Floor Area
26 m²
Street avg 71 m²
CO₂ Emissions
0.8 t/year
Street avg 3.3 t/year
Habitable Rooms
1 rooms
Street avg 3 rooms
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
458/mo
Steady year-on-year across the wider district.
Nearest stop
0.4 km
Kings Lynn Rail Station — railway station.
Closest school
0.4 km
Eastgate Academy. 17 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
52.7dB

Night-time· 23:00 – 07:00
42.7dB







