Measure first: a practical guide to buying furniture and appliances online
Measure the final space and the route into your home, then check the exact dimensions, materials, included parts and installation requirements. Keep assembly, access and any separately selected services in the comparison before choosing a product.

Measure the final space and the route into your home, then check the exact dimensions, materials, included parts and installation requirements. Keep assembly, access and any separately selected services in the comparison before choosing a product.
Measure the space in use
Record width, height and depth, but also think about how the item will be used. A drawer or door needs room to open; a chair needs room to move. Make a simple sketch of the area and note nearby switches, sockets or fixed fittings. This is more reliable than comparing the photograph with your memory of the room.
Check the route into the room
Measure doorways, stair turns and any restricted access. Read package dimensions as well as assembled dimensions where they are supplied. With IKEA UK, Wayfair UK, Dunelm or The Range, check the individual product information and delivery arrangements rather than assuming a furniture item arrives in a particular form.
Separate appearance from specification
Compare material descriptions, usable dimensions and included components. A styled room can make an item appear larger or show accessories sold separately. For textiles, check the actual size and whether the listing is a single item or a pair. For storage, consider what it needs to hold rather than choosing solely by external dimensions.
Treat appliances as an installation task
For an AO.com appliance replacement, note whether the existing space requires an integrated or freestanding product and record the relevant connections. Read the exact model’s instructions. Confirm what any selected installation or removal service covers. Specialist work should follow appropriate professional advice and the manufacturer’s requirements rather than an improvised fitting.
Plan a complete project list
For Wickes or B&Q materials, measure the area and identify the surface or construction involved. Include preparation, fixings and finishing supplies in the plan. Avoid assuming similarly named materials are compatible with the same job. If you are unsure about a safety-critical specification, resolve it with an appropriate professional before buying.
Review the practical details
Check the final order, access information, delivery arrangements and any separate services. Keep product descriptions and order confirmations together. A purchase that fits your room, arrives through the available access and suits your maintenance routine is more useful than one chosen only because its photograph matched your preferred style.
Your questions answered
Measure first: a practical guide to buying furniture and appliances online — where should I start?+
Measure the final space and the route into your home, then check the exact dimensions, materials, included parts and installation requirements. Keep assembly, access and any separately selected services in the comparison before choosing a product.
Where should I confirm current product and order details?+
Use the official merchant links below and the information attached to the exact product, seller or booking you select. This guide explains a comparison method; it does not promise a particular price, service or result.
