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Get started12 Castlegate is a three-bedroom detached house in Gipsey Bridge, Boston, Boston (PE22 7BS). It has a recorded floor area of 108 m² (around 1163 sq ft), construction records dating it to 1976-1982 and council tax band C. The latest certificate (October 2023) shows an E (score 53), well below the UK norm with real room to improve. The rating has held steady at E across 5 certificates since June 2013. Between certificates, wall efficiency went from Poor to Good, roof efficiency went from Average to Good and window efficiency went from Average to Good; while hot-water efficiency dropped from Average to Poor. The recommended improvements would push it to D (score 66). Main heating runs on oil. Other recorded features include a conservatory and attached land beyond the plot. Records show the property has been extended at some point in its history.
Sale prices here have outpaced Boston HPI: 0.6% per year against 0% for the wider region. Today's modelled estimate of £226,000 sits 80.8% above the 2013 sale of £125,000. Last sold in July 2013, so it's been off the market for around 13 years.
12 Castlegate valuation sits well clear of the typical sold price in this postcode.
£226,000
Modelled from EPC, postcode comparables and a sale-price growth of 0.6% per year over 7 years.
£125,000
Growth on file: 0.6% per year over 7 years.
Price per m² for 12 Castlegate lags the street by a wide margin.
Price per m²
£1,157
Street avg £1,556
Floor Area
108 m²
Street avg 111 m²
Habitable Rooms
5 rooms
Street avg 6 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.
Nearest stop
0.1 km

Daytime· 07:00 – 23:00
44.4dB

Changes detected from historical EPC data
Hot water efficiency decreased
Wall insulation upgraded
Low energy lighting percentage decreased
Hot water efficiency improved
Roof insulation improved
More low energy lighting installed
Hot water system changed
Window efficiency improved
Cavity wall insulation installed
Loft insulation upgraded to recommended levels
More low energy lighting installed
Solar PV panels (20 kWp) installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
26 July 2013Most recent
£125,000
+4.2%over 7 years22 June 2006
£120,000
Median price across the last 5 sales in PE22 7BS: £213,000 (2025–2023).
CO₂ Emissions
5.3 t/year
Street avg 6.3 t/year
PE22 7QD
Castlegate — bus stop.
Closest school
0.3 km
Gipsey Bridge Academy. 1 school nearby.
Flood risk
Medium
From the Environment Agency.
Night-time· 23:00 – 07:00
37.5dB
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