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Get started4 Waterworks House is a four-bedroom detached house in King's Lynn (PE33 9JN). It has a recorded floor area of 144 m² (around 1550 sq ft), construction records dating it to 1976-1982 and council tax band C. The latest certificate (October 2020) shows a D (score 62), on the cusp of jumping into the C band. Earlier certificates rated it B (February 2011); the latest reading is 2 bands lower. Between certificates, lighting went from Good to Very Good; while wall efficiency dropped from Very Good to Good and roof efficiency dropped from Very Good to Good. The recommended improvements would lift it to B (score 91), a 2-band jump. Main heating runs on oil.
Sale prices here have outpaced England HPI: 6.8% per year against 0% for the wider region. Today's modelled estimate of £384,000 is 14.6% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£216/sq ft) was about 53.2% above the typical sold price in the postcode. Sold September 2021 for £335,000. Across the public record there are 4 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
4 Waterworks House's carbon output runs well above what efficient homes in the postcode produce.
4 Waterworks House has more than tripled in price since its earliest registered sale in 2001.
£384,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.8% per year over 20 years.
£335,000
Growth on file: 6.8% per year over 20 years.
Habitable Rooms for 4 Waterworks House runs comfortably ahead of the street norm.
Price per m²
£2,326
Street avg £1,891
Floor Area
144 m²
Street avg 133 m²
Habitable Rooms
8 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Closest school
0.5 km

Daytime· 07:00 – 23:00
42.3dB

Changes detected from historical EPC data
Heating controls changed
Hot water efficiency decreased
Floor insulation added or improved
Hot water efficiency decreased
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
15 September 2021Most recent
£335,000
+52.3%over 7 years11 July 2014
£220,000
+126.8%over 12 years4 April 2002
£97,000
+10.2%over 11 months9 May 2001
£88,000
Median price across the last 5 sales in PE33 9JN: £210,000 (2025–2021).
Sunnyview The Street Marham King S Lynn
Sold Apr 2025
Horseshoe Cottage The Street Marham King S Lynn
Sold Dec 2023
Pinawela The Street Marham King S Lynn
Sold Aug 2022
1 Waterworks Cottages The Street Marham King S Lynn
Sold May 2022
The Gables The Street Marham King S Lynn
Sold Aug 2021
Street avg 6 rooms
CO₂ Emissions
6.4 t/year
Street avg 7.4 t/year
PE33 9HP
Cherry Tree Academy Trust Marham Junior. 2 schools nearby.
Night-time· 23:00 – 07:00
36.4dB
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