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Get started9 Polwyn Close is a five-bedroom detached house in Heamoor, Penzance, Penzance (TR18 3LA). It has a recorded floor area of 103 m² (around 1109 sq ft), construction records dating it to 1983-1990 and council tax band D. The latest certificate (August 2013) shows a D (score 62), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since November 2010. Between certificates, roof efficiency went from Average to Good; while hot-water efficiency dropped from Good to Average and lighting dropped from Very Good to Very Poor. The recommended improvements would lift it to B (score 84), a 2-band jump. The latest certificate is from August 2013, so improvements made since then won't be reflected. Other recorded features include a conservatory. The home occupies a cul-de-sac position.
Sale prices here have outpaced England HPI: 7.4% per year against 0% for the wider region. Today's modelled estimate of £371,000 is 27.9% above the 2015 sale price. Last sold in April 2015, so it's been off the market for around 11 years. Across the public record there are 6 sales, relatively high churn for a single property. 5 bedrooms is on the larger side for this postcode, where 3 is the typical count.
Recommended upgrades on file would lift this property by multiple EPC bands.
This certificate is over 10 years old and is no longer valid.Expired 19 Aug 2023
9 Polwyn Close has more than tripled in price since its earliest registered sale in 1997.
£371,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.4% per year over 18 years.
£290,000
Growth on file: 7.4% per year over 18 years.
On habitable rooms, 9 Polwyn Close stands well clear of the street.
Price per m²
£2,816
Street avg £3,124
Floor Area
103 m²
Street avg 96 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km

Daytime· 07:00 – 23:00
47.5dB

Changes detected from historical EPC data
Hot water efficiency decreased
Loft insulation upgraded to recommended levels
Low energy lighting percentage decreased
Are we missing something? Tell us about home improvements to help adjust your valuation.
17 April 2015Most recent
£290,000
28 March 2011
£290,000
+19.6%over 3 years1 October 2007
£242,500
+51.6%over 5 years23 July 2002
£159,950
+67.5%over 1 year9 October 2000
£95,500
+16.5%over 3 years19 August 1997
£82,000
Median price across the last 5 sales in TR18 3LA: £285,000 (2025–2013).
CO₂ Emissions
4.1 t/year
Street avg 3.9 t/year
TR18 3DL
Heamoor C P School — bus stop.
Closest school
0.2 km
Heamoor Community Primary School. 11 schools nearby.
Night-time· 23:00 – 07:00
39.3dB
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