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Get startedRosemullion is a semi-detached house in Kingsdon, Somerton, Somerton (TA11 7LG). It has a recorded floor area of 78 m² (around 840 sq ft), construction records dating it to 1976-1982 and council tax band C. The latest certificate (April 2025) shows a D (score 59), a step below the typical UK home. The rating has held steady at D across 2 certificates since February 2010. Between certificates, roof efficiency went from Average to Good; while hot-water efficiency dropped from Good to Average and main heating dropped from Good to Average. The recommended improvements would lift it to B (score 81), a 2-band jump. Main heating runs on oil.
Sale prices here have outpaced England HPI: 3.5% per year against 0% for the wider region. Today's modelled estimate of £337,000 is 22.5% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£328/sq ft) was about 94.4% above the typical sold price in the postcode. At 78 m² it sits well below the postcode median (135 m² across 7 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 71% of similar EPCs). On the market in August 2017 and unlisted since — roughly 9 years. Across the public record there are 4 sales, relatively high churn for a single property.
Recommended upgrades on file would lift this property by multiple EPC bands.
Rosemullion valuation sits well clear of the typical sold price in this postcode.
£337,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.5% per year over 11 years.
£275,000
Growth on file: 3.5% per year over 11 years.
On floor area, Rosemullion runs well behind the street norm.
Price per m²
£3,526
Street avg £2,573
Floor Area
78 m²
Street avg 162 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
0.2 km

Daytime· 07:00 – 23:00
46.2dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency decreased
Loft insulation upgraded to recommended levels
Are we missing something? Tell us about home improvements to help adjust your valuation.
9 August 2017Most recent
£275,000
+25.0%over 2 years30 January 2015
£220,000
-5.2%over 8 years25 August 2006
£232,000
+25.4%over 6 months22 February 2006
£185,000
Median price across the last 5 sales in TA11 7LG: £435,000 (2025–2019).
CO₂ Emissions
3.9 t/year
Street avg 9.2 t/year
Top Street — bus stop.
Closest school
2.3 km
Ilchester Community School. 2 schools nearby.
Night-time· 23:00 – 07:00
38.8dB
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