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Get startedMullien Cottage is a detached house in Friskney, Boston, Boston (PE22 8NL). It has a recorded floor area of 129 m² (around 1389 sq ft) and construction records dating it to 1950-1966. The latest certificate (May 2023) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 5 certificates since August 2010. Between certificates, roof efficiency went from Average to Good and lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Good to Poor and main heating dropped from Good to Poor. The recommended improvements would push it to C (score 77). Main heating runs on electricity.
Today's modelled estimate of £331,000 is 40.9% above the 2013 sale price. On a £-per-square-foot basis, the last sale (£169/sq ft) was about 28.3% above the typical sold price in the postcode. On the market in October 2013 and unlisted since — roughly 13 years. One historical planning record sits against the property in 2014.
Planning Permission - Construction of a vehicular access and driveway.
Mullien Cottage valuation sits well clear of the typical sold price in this postcode.
£331,000
Modelled from EPC, postcode comparables.
£235,000
Recorded with HM Land Registry.
CO₂ Emissions for Mullien Cottage runs comfortably ahead of the street norm.
Price per m²
£1,822
Street avg £2,515
Floor Area
129 m²
Street avg 122 m²
Habitable Rooms
5 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
44.9dB

Changes detected from historical EPC data
Hot water system changed
Hot water system upgraded
Roof insulation improved
Heat pump installed, significantly improving energy efficiency
Changed to a more efficient fuel source
Heating controls changed
Hot water efficiency decreased
Cavity wall insulation installed
Loft insulation upgraded to recommended levels
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
21 October 2013Most recent
£235,000
Median price across the last 5 sales in PE22 8NL: £185,000 (2025–2023).
Street avg 6 rooms
CO₂ Emissions
3.7 t/year
Street avg 7.0 t/year
Mantle Green — bus stop.
Closest school
1.4 km
Friskney All Saints Church of England Primary School. 1 school nearby.
Flood risk
Low
From the Environment Agency.
Night-time· 23:00 – 07:00
36.5dB
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