Glen Marnoch 18 Year Old is a collectable Scotch whisky from Glen Marnoch 18 Year Old aged 18 years. Based on 59 recorded auction lots across 29 months of trading data, the current median hammer price is £35, with the most recent sale at £35. Over the trading window, prices have ranged from £25 (low) to £40 (high). Accounting for lot-to-lot variation, a realistic valuation range for Glen Marnoch 18 Year Old is £32–£38 (±8% around the latest sale).
Year-on-year, Glen Marnoch 18 Year Old is up 16.7%, with a 6-month trend of +0% (up). wsky1 aggregates hammer prices from major public Scotch whisky auctions including Scotch Whisky Auctions, Whisky Auctioneer, and Bonhams. All prices are in GBP and exclude buyer's premium (typically 24–28% additional at major houses). Past auction performance is not a guarantee of future value.
Glen Marnoch 18 Year Old is a whisky distillery. Glen Marnoch 18 Year Old is an age-stated bottling at 18 years old.
Age statement
A 18-year age statement signals extended maturation, which limits how much was ever bottled.
These are scarcity and demand signals drawn from the bottle's own attributes — they describe the bottle, not a prediction of future price. Not investment advice.
Latest sale
£35
24-month median
£35
24-month high
£40
24-month low
£25
Estimated value · likely range
£32–£38 ±8%
Auction hammers swing lot to lot with condition, fill level and timing. Treat this band — not a single figure — as the bottle's value.
| Month | Median | Lots |
|---|---|---|
| June 2026 | £35 | 1 |
| February 2026 | £30 | 2 |
| November 2025 | £30 | 2 |
| April 2025 | £30 | 2 |
| February 2025 | £35 | 2 |
| November 2024 | £38 | 4 |
| October 2024 | £35 | 2 |
| November 2023 | £35 | 2 |
| October 2023 | £35 | 2 |
| May 2023 | £35 | 2 |
| December 2022 | £30 | 2 |
| September 2022 | £35 | 2 |
The latest hammer price for Glen Marnoch 18 Year Old at auction is £35. Across the most recent 24 months of auction data, the median hammer price is £35, with a high of £40 and a low of £25. All prices are in GBP and exclude buyer's premium. Data is aggregated from major auction houses including Scotch Whisky Auctions, Whisky Auctioneer, and Bonhams.
Glen Marnoch 18 Year Old is up 16.7% year-on-year based on monthly median hammer prices. Over the past 6 months it has moved up 0%. Past auction performance is not a guarantee of future value.
Glen Marnoch 18 Year Old regularly appears at major Scotch whisky auction houses including Scotch Whisky Auctions (Scotland), Whisky Auctioneer (Scotland), Just Whisky, Whisky Hammer, and Bonhams. The current median hammer price is £35 (excluding buyer's premium). At most major houses, buyer's premium adds 24–28% on top of hammer for the buyer; sellers typically receive the hammer price minus a sales commission of 5–15%.
Over the past 12 months Glen Marnoch 18 Year Old has moved up 16.7%, with a current median hammer price of £35. The bottle has been observed at auction across 59 recorded lots in our database. wsky1 provides hammer-price data for informational purposes only — not investment advice. Whisky is an illiquid alternative asset; secondary-market value depends heavily on bottle condition, fill level, label integrity, and timing.
wsky1 ingests public auction results from major auction houses (via direct scraping of Scotch Whisky Auctions, Whisky Auctioneer, Bonhams, and Whisky Hammer, plus aggregated data from WhiskyHunter). For each bottle, we group hammer prices by year-month and compute the median price per month. The figures shown — latest £35, 24-month median £35 — are derived from this monthly-median methodology. All prices are hammer prices in GBP, excluding buyer's premium.
No. All prices on wsky1 are hammer prices only. Buyer's premium at major Scotch whisky auction houses currently runs at 24–28% on top of the hammer price. A bottle of Glen Marnoch 18 Year Old that hammers at £35 would cost the buyer approximately £44 all-in including buyer's premium.
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