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Get started4 St Marys Street is a one-bedroom mid-terrace house in Penzance (TR18 2DH). It has a recorded floor area of 82 m² (around 883 sq ft), construction records dating it to before 1900 and council tax band B. The latest certificate (October 2018) shows a D (score 59), a step below the typical UK home. When first surveyed in January 2014 the rating was E, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Poor to Good; while lighting dropped from Good to Poor. The recommended improvements would push it to C (score 80).
2 planning records sit against the property, 1 approved, 1 refused. Past consents include a garage conversion, meaningful when judging how the property has evolved. Today's modelled estimate of £247,000 is 39.2% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£201/sq ft) was about 46.9% above the typical sold price in the postcode. 11 years since the last transfer (June 2015).
Council records show a subdivision application — the property's legal arrangement has been altered.
Change of use of annex to separate dwelling
4 St Marys Street valuation sits well clear of the typical sold price in this postcode.
£247,000
Modelled from EPC, postcode comparables.
£177,500
Recorded with HM Land Registry.
On habitable rooms, 4 St Marys Street runs well behind the street norm.
Price per m²
£2,165
Street avg £2,202
Floor Area
82 m²
Street avg 82 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Tolver Road — bus stop.

Daytime· 07:00 – 23:00
50.5dB

Changes detected from historical EPC data
Heating system changed
Changed to a more efficient fuel source
Heating controls changed
Hot water system changed
Wall insulation improved
Low energy lighting percentage decreased
Upgraded to gas central heating
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
Window efficiency improved
Cavity wall insulation installed
Floor insulation added or improved
Are we missing something? Tell us about home improvements to help adjust your valuation.
Alterations to existing garage to form studio space for use ancillary to the main dwelling
9 June 2015Most recent
£177,500
Median price across the last 5 sales in TR18 2DH: £273,500 (2025–2019).
CO₂ Emissions
3.6 t/year
Street avg 3.4 t/year
TR18 2EY
Closest school
0.4 km
Humphry Davy School. 11 schools nearby.
Night-time· 23:00 – 07:00
39.4dB
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