5 Glosthorpe Manor is a three-bedroom semi-detached house in King's Lynn (PE32 1NB). It has a recorded floor area of 96 m² (around 1033 sq ft), construction records dating it to 1983-1990 and council tax band B. Tenure is freehold. The latest certificate (February 2020) shows a C (score 76), near the top of the C band. When first surveyed in September 2010 the rating was E, the property has climbed 2 bands since. Between certificates, window efficiency went from Average to Good and lighting went from Average to Very Good; while hot-water efficiency dropped from Average to Poor and main heating dropped from Poor to Very Poor. The recommended improvements would lift it to A (score 92), a 2-band jump. Main heating runs on electricity. Records show the property has been extended at some point in its history.
Untraded for 15 years, with the last transfer in December 2010. Sale prices here have outpaced England HPI: 9.5% per year against 0% for the wider region. Today's modelled estimate of £258,000 sits 69.7% above the 2010 sale of £152,000. On energy efficiency it sits in the top 10% of properties in this postcode. One historical planning record sits against the property in 2014.
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
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5 Glosthorpe Manor ranks among the most efficient homes in the postcode for energy use.
Extension: Single storey · Rear of property
Single storey extension to dwelling and installation of flue for wood burning stove
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
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5 Glosthorpe Manor has more than tripled in price since its earliest registered sale in 1997.
£258,000
Modelled from EPC, postcode comparables and a sale-price growth of 9.5% per year over 13 years.
£152,000
Growth on file: 9.5% per year over 13 years.
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
5 Glosthorpe Manor outperforms the street on epc rating by a wide margin.
Price per m²
£1,583
Street avg £2,536
Floor Area
96 m²
Street avg 124 m²
Habitable Rooms
5 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Closest school
1.2 km

Daytime· 07:00 – 23:00
42.5dB

Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Changes detected from historical EPC data
Window efficiency improved
More low energy lighting installed
Heating system changed
Heating controls upgraded for better temperature management
Hot water efficiency decreased
Loft insulation upgraded to recommended levels
More low energy lighting installed
17 December 2010Most recent
£152,000
+171.4%over 10 years17 April 2000
£56,000
+20.4%over 2 years28 November 1997
£46,500
Median price across the last 5 sales in PE32 1NB: £285,000 (2025–2021).
15 Glosthorpe Manor Ashwicken King S Lynn
Sold Jan 2025
7 Glosthorpe Manor Ashwicken King S Lynn
Sold May 2024
Samara Glosthorpe Manor Ashwicken King S Lynn
Sold Aug 2023
11 Glosthorpe Manor Ashwicken King S Lynn
Sold May 2023
17 Glosthorpe Manor Ashwicken King S Lynn
Sold Mar 2021

Street avg 6 rooms
CO₂ Emissions
3.1 t/year
Street avg 7.1 t/year
PE32 1JJ
Ashwicken Church of England Voluntary Aided Primary School. 1 school nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Night-time· 23:00 – 07:00
35.7dB