Resources

Explore free antique, auction, furniture, jewellery and precious-metal tools from Holytown Antiques. These resources are designed to make it easier to research items, understand auction costs, compare measurements, identify furniture and silver, explore selling options and plan purchases before you buy or sell.

Choose a tool below to get started. Our calculators, identification tools, selling guides and reference resources are provided for general research and planning and are free to use.

Auction Tools

Calculate buying and selling charges, research prices and work out a sensible bidding limit before taking part in an auction.

Auction Buying Fees Calculator

Estimate buyer’s premium, VAT, other auction charges and delivery costs to see approximately what an auction purchase may cost in total.

Calculate Buying Fees

Maximum Auction Bid Calculator

Work backwards from your total budget to estimate a sensible maximum hammer-price limit after buyer’s premium, VAT and other costs.

Calculate Maximum Bid

Auction Selling Fees Calculator

Estimate seller’s commission, VAT and other auction-house deductions to see approximately how much you may receive after a sale.

Calculate Selling Fees

Antique Price Research

Research previous sale results and compare similar antiques and collectables before buying, selling or bidding.

Selling Antiques

Compare different ways to sell antiques and decide whether a dealer, auction house, private sale, online marketplace or another route may suit your circumstances.

Furniture & Home Tools

Measure furniture, check room clearance, investigate possible furniture age and style, plan picture placement and estimate upholstery fabric.

Furniture Measurement Calculator

Convert measurements between metric and imperial units and check basic doorway, vehicle and furniture dimensions before purchasing or collecting a piece.

Measure & Convert

Furniture Room Fit & Clearance Calculator

Compare a furniture footprint with your available room space and estimate centred clearance, alternative orientation and floor-area use.

Check Room Fit

Picture & Mirror Hanging Calculator

Estimate picture and mirror hanging height, bottom-edge position, grouped spacing and wall proportions, including pieces displayed above furniture.

Plan Hanging Position

Upholstery Fabric Calculator

Estimate fabric requirements for chairs, stools, benches, armchairs and sofas with allowances for fabric width, pattern matching and contingency.

Estimate Fabric

Jewellery & Precious Metals

Check whether an item is likely to be solid silver or silver plate, research precious-metal content, understand British hallmarks and narrow down possible dates for UK silver and jewellery.

Precious Metals Price Calculator

Estimate the underlying gold, silver or platinum metal value using weight, fineness and the pure-metal market price you enter.

Calculate Metal Value

Jewellery Hallmark Reference Guide

Learn about UK assay-office marks, gold and silver fineness numbers, date letters and other common precious-metal hallmarking information.

View Hallmark Guide

Researching Something for Your Home or Collection?

Explore current stock at Holytown Antiques, see our latest arrivals or get in touch if you have antique, vintage or quality pre-owned items you are considering selling.