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(Above photo -Scottish Grandfather Clock Moonphase Longcase Painted Satinwood 1830)
(Above photo -Victorian Grandfather Clock Long Case J Hardy Dorchester 1850)
Antique grandfather clocks also known as longcase clocks are among the most recognisable and decorative forms of historic timekeeping. Their values can range from a few hundred pounds to well into six figures, depending on age, maker, originality, and condition. Understanding how these elements interact is essential when buying, selling, or insuring a longcase clock.
(Above photo -Victorian Grandfather Clock Longcase Josh Walker Workington 1820)
The first step in valuation is identifying the clocks date of manufacture, as this strongly influences desirability and market value.
Late 17th century (1670-1700): Rare and highly valuable, typically with 30-hour movements, square brass dials, and early architectural cases.
Early mid 18th century (1700-1760): Peak period for English longcase clocks. Eight-day movements, high-quality brass dials, and finely proportioned cases.
Late 18th century (1760-1800): Painted dials become common; values vary depending on maker and quality.
19th century (1800-1900): Larger production numbers. Values are generally lower unless by a notable maker or in exceptional condition.
Earlier clocks with original features command significant premiums.
(Above photo -French Grandfather Clock Kingwood Inlay)
The clockmaker name usually signed on the dial can dramatically affect value.
Highly sought-after English makers: Thomas Tompion, George Graham, Joseph Knibb, Daniel Quare, John Ellicott
Respected provincial makers: Clocks from towns such as York, Exeter, Bristol, Norwich, and Birmingham are often undervalued relative to quality
Scottish, Welsh, and Irish clocks: Increasingly collectible, especially early examples
A clock by a well-documented maker with references in horological records will always attract stronger prices.
(Above photo -Victorian Grandfather Clock Thomas Page Norwich Long Case)
The case is often as important as the movement.
Original case: A major value driver. Replacement or marriage cases reduce desirability.
Wood types: Oak (early), walnut (1700-1735), and mahogany (mid-18th century onwards)
Proportions and detailing: Fine mouldings, well-carved hoods, and elegant trunk doors enhance value
Surface: Original patina is far more desirable than aggressive restoration
A superb case can sometimes outweigh a lesser-known maker.
(Above photo -Antique French Grandfather Clock Floral Inlay)
Dial style helps date the clock and assess quality.
Square brass dials: Typically earlier and more valuable
Arched brass dials: Mid-18th century; often associated with eight-day movements
Painted dials: Later and more common, but still valuable if early, finely painted, or rare
Additional features such as moon phases, calendar apertures, or strike/silent mechanisms can add value.
(Above photo -Walnut Grandmother Clock Chiming Walnut Tempus Fugit)
The movements quality is central to valuation.
Eight-day movements: More desirable than 30-hour
Complications: Deadbeat escapements, pull repeat, seconds dials, and automata increase value
Original components: Replacement movements or heavily altered mechanisms reduce value significantly
Clocks retaining their original weights, pendulum, and movement plates are always preferred.
(Above photo -Sheraton Grandfather Clock Mahogany Inlay Resolute)
Condition can make or break a valuation.
Working order: Important, but originality is often more valuable than recent repairs
Sympathetic restoration: Acceptable when discreet and reversible
Over-restoration: Can halve value, particularly if patina has been stripped
Collectors prefer honest wear that reflects age over as-new finishes.
Documented history adds confidence and value.
Family provenance
Old invoices or auction records
Mentions in horological literature
Association with notable houses or collections
Strong provenance can elevate an otherwise modest clock into a highly desirable example.
Modern buyers are increasingly space-conscious.
Tall, narrow clocks are more marketable
Clocks over 230cm can be harder to place
Shipping and installation costs affect international values
While interest in fine longcase clocks remains strong, practicality plays a role in real-world pricing.
Typical Value Ranges (Guide Only)
19th-century painted dial clocks: B#800-B#3,000
18th-century provincial English clocks: B#3,000-B#12,000
Early London-made clocks: B#15,000-B#80,000+
Museum-quality examples: Six figures and above
Condition, originality, and maker can push prices well beyond these ranges.
When to Seek a Professional Valuation
The clock appears early (pre-1750)
The maker is documented
Insurance or probate is required
International sale or export is planned
A specialist antiques dealer or horological expert can provide a market-accurate assessment.
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