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Get startedBlackthorne Cottage is a detached house in Ballinger, Great Missenden, Great Missenden (HP16 9LN). It has a recorded floor area of 173 m² (around 1862 sq ft), construction records dating it to 1950-1966 and council tax band G. The latest certificate (October 2021) shows a C (score 78), near the top of the C band. When first surveyed in September 2020 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Poor to Average, roof efficiency went from Average to Good and hot-water efficiency went from Poor to Average. The recommended improvements would push it to B (score 81). Main heating runs on electricity.
Held since January 1996 — that's 30 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. At 173 m² the property is well over the postcode median (93 m² across 15 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. Today's modelled estimate of £1,070,000 sits 457.3% above the 1996 sale of £192,000. On a £-per-square-foot basis, the last sale (£103/sq ft) was about 74.8% below the postcode norm.
Blackthorne Cottage ranks among the most efficient homes in the postcode for energy use.
Blackthorne Cottage's modelled value sits at over four times its earliest registered sale price (1996).
£1,070,000
Modelled from EPC, postcode comparables.
£192,000
Recorded with HM Land Registry.
On price per m², Blackthorne Cottage runs well behind the street norm.
Price per m²
£1,110
Street avg £4,995
Floor Area
173 m²
Street avg 124 m²
Habitable Rooms
7 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
41.8dB

Changes detected from historical EPC data
Cavity wall insulation installed
Solar PV panels (40 kWp) installed
Heat pump installed, significantly improving energy efficiency
Changed to a more efficient fuel source
Heating controls changed
Hot water system upgraded
Roof insulation improved
Solar water heating added
Are we missing something? Tell us about home improvements to help adjust your valuation.
24 January 1996Most recent
£192,000
Median price across the last 5 sales in HP16 9LN: £650,000 (2023–2021).
Four Acres Blackthorne Lane Ballinger Great Missenden
Sold Feb 2023
2 Watson Cottage Blackthorne Lane Ballinger Great Missenden
Sold Mar 2022
Bluff Cottage Blackthorne Lane Ballinger Great Missenden
Sold Feb 2022
Orchard House Blackthorne Lane Ballinger Great Missenden
Sold Feb 2021
1 Ballinger Row Blackthorne Lane Ballinger Great Missenden
Sold Feb 2021
Street avg 6 rooms
CO₂ Emissions
3.1 t/year
Street avg 5.8 t/year
Chiltern Road — bus stop.
Closest school
1.1 km
Lee Common Church of England School. 4 schools nearby.
Night-time· 23:00 – 07:00
35.6dB
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