Sort by Most recent sale Address Highest price Highest £ per sqm Largest area Smallest area	Last sold	Price paid	Floor area (m²) Floor area (sq ft)	£ per m² £ per sq ft	Type	Sold	m² sq ft	£/m² £/sq ft
35, Treforthlan, Illogan, TR16 4RN -	08 Aug 2025	£335,000	101 m² 1087 sqft	£3,316 £308	Detached (2 bed)
10, Treforthlan, Illogan, TR16 4RN -	16 May 2025	£380,000	97 m² 1044 sqft	£3,917 £363	Semi-D (2 bed)
11, Treforthlan, Illogan, TR16 4RN -	09 Jan 2025	£320,000	75 m² 807 sqft	£4,266 £396	Semi-D (3 bed)
26, Treforthlan, Illogan, TR16 4RN -	23 Feb 2024	£270,000	80 m² 861 sqft	£3,375 £313	Detached (2 bed)
28, Treforthlan, Illogan, TR16 4RN -	20 Dec 2021	£305,000	74 m² 796 sqft	£4,121 £382	Detached (2 bed)
12, Treforthlan, Illogan, TR16 4RN -	06 Dec 2019	£270,000	79 m² 850 sqft	£3,417 £317	Semi-D (2 bed)
16, Treforthlan, Illogan, TR16 4RN -	27 Sep 2019	£175,000	63 m² 678 sqft	£2,777 £257	Detached (2 bed)
23, Treforthlan, Illogan, TR16 4RN -	30 Jun 2016	£199,000	78 m² 839 sqft	£2,551 £236	Detached (2 bed)
14, Treforthlan, Illogan, TR16 4RN -	19 Feb 2016	£180,000	69 m² 742 sqft	£2,608 £242	Detached (2 bed)
17, Treforthlan, Illogan, TR16 4RN -	03 Oct 2014	£170,000	63 m² 678 sqft	£2,698 £250	Semi-D (2 bed)
6, Treforthlan, Illogan, TR16 4RN -	01 Sep 2014	£202,500	80 m² 861 sqft	£2,531 £235	Semi-D (2 bed)
18, Treforthlan, Illogan, TR16 4RN -	18 Nov 2005	£137,500			Semi-D (2 bed)
30, Treforthlan, Illogan, TR16 4RN	24 Oct 2003	£167,500			Detached (2 bed)
25, Treforthlan, Illogan, TR16 4RN	28 Jul 2000	£64,950			Semi-D (2 bed)
32, Treforthlan, Illogan, TR16 4RN	19 May 1997	£64,950			Detached (2 bed)
19, Treforthlan, Illogan, TR16 4RN	29 Mar 1996	£55,000			Detached (2 bed)
35, Treforthlan -	£335,000 Aug-2025	101 1087	3,316 308
10, Treforthlan -	£380,000 May-2025	97 1044	3,917 363
11, Treforthlan -	£320,000 Jan-2025	75 807	4,266 396
26, Treforthlan -	£270,000 Feb-2024	80 861	3,375 313
28, Treforthlan -	£305,000 Dec-2021	74 796	4,121 382
12, Treforthlan -	£270,000 Dec-2019	79 850	3,417 317
16, Treforthlan -	£175,000 Sep-2019	63 678	2,777 257
23, Treforthlan -	£199,000 Jun-2016	78 839	2,551 236
14, Treforthlan -	£180,000 Feb-2016	69 742	2,608 242
17, Treforthlan -	£170,000 Oct-2014	63 678	2,698 250
6, Treforthlan -	£202,500 Sep-2014	80 861	2,531 235
18, Treforthlan -	£137,500 Nov-2005
30, Treforthlan	£167,500 Oct-2003
25, Treforthlan	£64,950 Jul-2000
32, Treforthlan	£64,950 May-1997
19, Treforthlan	£55,000 Mar-1996

The data above for Treforthlan can be visualised as a scatter graph, this will show price trends over time.

The average price per square metre (per square foot) in Treforthlan, Illogan is £3,732 sqm (£346 per sq ft), this is based on the price paid of the 6 most recent sales.
The majority of homes in Illogan are now selling for between £2,830 and £3,960 per square metre (£262 and £367 per square foot) , find out more in this local analysis of TR16 4 (Illogan) house prices.
There are approximately 16 homes on Treforthlan, we would have expected about 2 sales each year given that in the UK people sell their homes on average once every 7 years.
In the last 4 years there have been 6 property sales in Treforthlan, averaging about 1 home sales per year .
The average size of all the properties on Treforthlan is 79 m2 (850 sqft).