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Get started4 Mason Street is a semi-detached house in Bangor (LL57 1DE). It has a recorded floor area of 46 m² (around 495 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (April 2019) shows a C (score 69), just inside the C band. The recommended improvements would push it to B (score 90).
At 46 m² it sits well below the postcode median (69 m² across 12 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the top 10% of properties in this postcode. Sale prices here have lagged England HPI: -0.4% per year against 0% for the wider region. Today's modelled estimate of £140,000 is 27.3% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£222/sq ft) was about 54.8% above the typical sold price in the postcode. Most recent transfer: January 2023 at £110,000.
4 Mason Street ranks among the most efficient homes in the postcode for energy use.
4 Mason Street's sale-price growth has lagged the wider UK trajectory across its history on file.
£140,000
Modelled from EPC, postcode comparables and a sale-price growth of -0.4% per year over 16 years.
£110,000
Growth on file: -0.4% per year over 16 years.
On price per m², 4 Mason Street stands well clear of the street.
Price per m²
£2,391
Street avg £1,640
Floor Area
46 m²
Street avg 71 m²
Habitable Rooms
3 rooms
Reported crime in the wider district is trending notably upward year-on-year.
Crime
3/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Nelson — bus stop.
27 January 2023Most recent
£110,000
-6.8%over 15 years4 May 2007
£118,000
Median price across the last 5 sales in LL57 1DE: £127,000 (2025–2022).
Street avg 4 rooms
CO₂ Emissions
1.9 t/year
Street avg 3.6 t/year
LL57 1BN
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