Are you a property professional?Get qualified leads from motivated homeowners.
Get startedAre you a property professional?Get qualified leads from motivated homeowners.
Get started23 St Marys Street is a three-bedroom mid-terrace house in Penzance (TR18 2DJ). It has a recorded floor area of 60 m² (around 646 sq ft), construction records dating it to 1900-1929 and council tax band B. Tenure is freehold. The latest certificate (March 2024) shows a D (score 59), a step below the typical UK home. The rating has held steady at D across 3 certificates since March 2014. Between certificates, window efficiency went from Poor to Average. The recommended improvements would push it to C (score 78). Other recorded features include notable views and a self-contained annexe. Our model identifies extension potential, subject to local planning policy.
Sale prices here have outpaced England HPI: 7.3% per year against 0% for the wider region. Today's modelled estimate of £286,000 is 14.4% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£387/sq ft) was about 137.3% above the typical sold price in the postcode. Sold November 2023 for £250,000.
Latest sale on 23 St Marys Street was the highest on Land Registry record across the postcode.
£286,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.3% per year over 22 years.
£250,000
Growth on file: 7.3% per year over 22 years.
Habitable Rooms for 23 St Marys Street runs comfortably ahead of the street norm.
EPC Rating
59 (D)
Street avg 60 (D)
Floor Area
60 m²
Street avg 41 m²
CO₂ Emissions
3.1 t/year
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
Barwis Terrace — bus stop.

Daytime· 07:00 – 23:00
50.8dB

Changes detected from historical EPC data
Heating system changed
Hot water system changed
Windows upgraded, improving insulation
Low energy lighting percentage decreased
Upgraded to gas central heating
Hot water system upgraded
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
23 November 2023Most recent
£250,000
+62.3%over 9 years27 June 2014
£154,000
+193.3%over 12 years17 September 2001
£52,500
Median price across the last 5 sales in TR18 2DJ: £147,500 (2025–2017).
Street avg 2.2 t/year
Habitable Rooms
4 rooms
Street avg 2 rooms
TR18 2FX
Closest school
0.3 km
Humphry Davy School. 11 schools nearby.
Night-time· 23:00 – 07:00
39.7dB
Find out what your property is worth with a free valuation from a top-rated local estate agent.
Free valuation
An expert visits your home
Local expertise
An agent who knows your area
No obligation
You decide if and when to sell