What is a Geoff Thornley painting worth?
b. 1942 · Price guide from past auction results
Half of the 34 works by Geoff Thornley with a published auction price sold between $4,640Sign up free to see and $13,262Sign up free to see, and the median is $8,043Sign up free to see. For paintings alone, the median is $8,691Sign up free to see across 29 sales. In the last five years the median was $9,293Sign up free to see across 6 sales. These are past auction results, not a valuation: medium, size, condition and provenance all change what a particular work brings.
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Geoff Thornley prices by medium
- Auction results
- 70
- Sold rate
- 49%
- Active at auction
- 2012–2026
- Median price
- $8kSign up free to see
- Record price
- $24.7kSign up free to see Edgings and Inchings of Final Form, No. 8, Art+Object, Oct 2017
| Medium | Priced sales | Typical range | Median |
|---|---|---|---|
| Paintings | 29 | $5.7k–$14.2kSign up free to see | $8.7kSign up free to see |
| Works on Paper | 4 | $741–$3.3kSign up free to see | $1,000Sign up free to see |
Top auction houses: Art+Object (70)
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Typical range is the middle half of priced sales (USD at the sale-date rate). Past auction results, not a valuation.
Prices by size
| Size (longest side) | Priced sales | Typical range | Median |
|---|---|---|---|
| Small (under 30 cm) | 6 | $793–$1.2kSign up free to see | $995Sign up free to see |
| Mid-size (30–75 cm) | 4 | $4.7k–$6.2kSign up free to see | $5.1kSign up free to see |
| Large (75–150 cm) | 13 | $6k–$13.8kSign up free to see | $9kSign up free to see |
| Very large (over 150 cm) | 11 | $8.6k–$16.5kSign up free to see | $11.5kSign up free to see |
Recent Geoff Thornley sales
- Construction Study, gouache and collage on paper — $616Sign up free to see, Art+Object, Sep 9, 2025
- Naming the Site No. 3, oil on canvas — $7,221Sign up free to see, Art+Object, Aug 19, 2025
- No. 7, oil on canvas laid onto board — $11,365Sign up free to see, Art+Object, Aug 9, 2022
- Untitled, oil on paper laid onto canvas — $5,415Sign up free to see, Art+Object, Apr 7, 2022
- Naming the Site No. I, oil on canvas — $14,162Sign up free to see, Art+Object, Apr 7, 2022
- Untitled No. 11, oil on canvas — $16,961Sign up free to see, Art+Object, Nov 13, 2021
- Construction 3/79, oil on canvas laid onto board — $4,608Sign up free to see, Art+Object, Nov 24, 2020
- C. 82, oil on canvas laid onto board — $8,378Sign up free to see, Art+Object, Nov 24, 2020
Questions about Geoff Thornley prices
What is a Geoff Thornley painting worth?
Based on 34 priced auction sales recorded by ArtSell, works by Geoff Thornley have sold for a median of $8,043, and half of them sold between $4,640 and $13,262. For paintings alone the median is $8,691 (29 sales). Medium, size, condition, subject and provenance all affect the price of a particular work; these are past auction results, not a valuation.
What is the most expensive work by Geoff Thornley sold at auction?
The highest price in ArtSell’s records is $24,663 for “Edgings and Inchings of Final Form, No. 8” at Art+Object in October 2017.
Which Geoff Thornley medium sells for the most?
By median price, paintings lead with $8,691 (29 sales).
How often do Geoff Thornley works sell at auction?
49% of the 70 lots recorded between 2012 and 2026 sold.
How can I sell a Geoff Thornley painting?
Request a free auction estimate on ArtSell: send photos and details, and our specialists will reply with an estimate. There is no obligation.
Of the 70 lots by Geoff Thornley recorded at auction between 2012 and 2026, 34 found a buyer (49%).
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