By Ivan Skrobov in Motoring · 06 Nov 2026

How to Sell Caravan and Motorhome Accessories Online

List caravan and motorhome kit with the figures buyers check: A-measurement, ramp rating per wheel, hook-up cable spec, regulator pressure and date. Plus why gas cylinders and leisure batteries cannot go by Royal Mail, towing mirror law and shipping bulky items.

To sell caravan and motorhome accessories online in the UK, list each item with the figure that decides whether it fits: the A-measurement for a full awning, the capacity per wheel for levelling ramps, the core size and plug type for a hook-up cable, and the outlet pressure and connections for a gas regulator. Then check the carrier before you set a delivery price. Royal Mail and Parcelforce do not carry gas cylinders, full or empty, and will not take a lead-acid leisure battery, so those are collection items. Towing mirrors need extra care, because the buyer relies on them to tow legally.

Our guides to selling used car parts and selling car accessories cover part numbers, trader duties and returns. This one deals with kit for caravans and motorhomes, where the fitment details and carrier rules are different.

Step 1: Awnings: give the size the maker uses

Full caravan awnings are sized by the A-measurement. Isabella defines it as the length from the ground, through the awning rail and back to the ground about 30 cm to the side, measured with string. It says all A-measurements are indicative and that a change in the caravan's total weight may alter the figure (Isabella: A-measurement search). So give the size printed on the awning's label, plus the A-measurement, make, model and year of the caravan you used it on.

Then list what a buyer will check:

type: full, porch, or drive-away for a motorhome or campervan
frame: steel, aluminium or fibreglass poles, or air beams, and whether the pump is included
contents: every pole, peg, curtain and bag, counted against the maker's parts list
faults: mould, fading, stiff zips, repairs
for porch and drive-away awnings: the connection height range the manufacturer gives

The most useful photo is the awning pitched, from the front and inside. If you cannot pitch it, say so and photograph the fabric laid out with any marks visible.

Step 2: Levelling ramps: copy the rating per wheel

Copy the maker's figures rather than calling a ramp strong. Milenco, for example, lists its Quattro 3 Level (product code 2615) with steps of 4, 9, 13 and 18 cm, a weight of 4.4 kg per level, dimensions of about 20 x 24.5 x 81 cm and a capacity of 1,500 kg per wheel, which it gives as 6,000 kg for a motorhome or 3,000 kg for a caravan (Milenco: Quattro 3 Level). Milenco calls the Quattro 3 a new and improved version of its earlier Quattro Level, so check which version you have before you copy figures.

Say whether it is a pair, and mention cracks, worn tread and missing chocks or bags. Milenco warns never to stack its levels other than its Stacka range, so do not suggest stacking (Milenco: levelling).

Step 3: Hook-up cables: core size, length and plug

The Caravan and Motorhome Club advises a continuous 25 m cable, plus or minus 2 m, with conductors of at least 2.5 mm² and blue cylindrical connectors to BS EN 60309-2. It advises against steel cables, which a magnet will pick out (Caravan and Motorhome Club: cable news). The Camping and Caravanning Club warns that cables with only 1.5 mm² cores are common, and that taped joints and ordinary 13 A household plugs and sockets must not be used (Camping and Caravanning Club: electricity for campers).

A title can then read, for illustration only: "Mains hook-up cable, 25 m, 3 core 2.5 mm² copper, BS EN 60309-2 blue plug and connector, no cuts or repairs". Photograph any core size printed on the sheath, both connectors close up and the full coil. Do not sell a cable with a taped joint or a household plug fitted.

Step 4: Gas regulators, hoses and cylinders

Regulators and hoses

Fitment for gas parts comes down to pressure and connections. Calor describes its 30 mbar caravan regulator as a two-stage regulator for bulkhead mounting, made to the standard required for caravans and motorhomes built to EN 1949. It works with butane or propane by changing the pigtail hose or adding an adaptor, and has a W20 inlet and a 10 mm compression outlet (Calor: 30 mbar caravan regulator). Give the same details for yours: outlet pressure, inlet thread, outlet size, straight or angled, and which cylinder fitting a hose suits.

Age matters as much as fit. Truma says that under the German DVGW worksheet G 607, regulators and hoses must be replaced at the latest ten years after the production date (Truma: maintenance FAQs). Photograph the date on the part and put the year in the listing. If there is no readable date, or you removed it because of a fault, do not offer it for use.

Gas cylinders: never by post

Royal Mail and Parcelforce prohibit flammable compressed gases, including butane, propane and gas cylinders for camping stoves, and the ban covers new, used and empty cylinders. Only empty cylinders open to the atmosphere for inspection are permitted (Royal Mail: prohibited and restricted items). It is also an offence to post anything likely to injure other packets or postal workers, unless the postal operator permits it (Postal Services Act 2000, section 85).

Check who owns the cylinder before you list it. Calor says its cylinders remain the property of Calor Gas Limited at all times, that no unauthorised party may sell them, and that a cylinder no longer needed must go back to Calor or an authorised outlet (Calor: illegal handling of cylinders). If you own a refillable cylinder outright, sell it for collection only.

Step 5: Leisure batteries: collection, not post

Royal Mail's rules exclude almost every leisure battery. Wet spillable lead-acid batteries, lithium batteries sent without the equipment they power, and damaged batteries are not allowed in the UK mail. New non-spillable batteries, such as sealed lead-acid, AGM and gel, are accepted only up to 1.5 kg, one per parcel, with insulated terminals and the package marked "NOT RESTRICTED" and "SPA67 / SP238". Used batteries count as environmental waste and are not allowed (Royal Mail: prohibited and restricted items).

For scale, Yuasa's data sheet for its L35-100 leisure battery gives a mean weight with acid of 24.7 kg (Yuasa: L35-100 data sheet), more than 16 times that limit. Sell batteries for collection, or get a courier's written confirmation before you offer delivery. Give the type (flooded, AGM, gel or lithium), capacity in Ah, dimensions, terminal type and date code.

Step 6: Towing mirrors: the legal point buyers check

GOV.UK says towing mirrors are needed when the caravan or trailer is wider than the rear of the car, and that towing without proper towing mirrors can mean a fine of up to £1,000 and 3 penalty points (GOV.UK: towing equipment). For the vehicles it covers, regulation 33 of the Road Vehicles (Construction and Use) Regulations 1986 says each mirror must stay steady under normal driving conditions, and a mirror less than 2 m above the road must not project more than 20 cm beyond the width of a wider trailer, or 25 cm if it complies with ECE Regulation 46.02 or EU Directive 2003/97 or 2005/27 (regulation 33).

So list the brand and model with a photo of the approval marking, flat or convex glass, whether both mirrors are included, and the state of the clamps, straps and pads that keep it steady. Milenco notes that its mirrors a few years old may not fit the very latest cars, and that spare parts are available to update them (Milenco: towing mirrors). Name only the cars you have fitted the mirror to.

Step 7: Water carriers

Give the make, capacity in litres, the pump or adaptor it works with, and whether it has only held fresh water. Never describe a waste water container as fit for drinking water. Send it drained and dry, with the cap and any hose in the box.

Step 8: Time your listings

The Caravan and Motorhome Club says most of its campsites stay open well into the autumn and many all year, calls winter the best time for minor repairs and refurbishments, and advises booking spring servicing early (Caravan and Motorhome Club: store or tour). Its winter guide notes that a leisure battery will eventually drain if trackers or alarms are fitted (Caravan and Motorhome Club: winter preparation). That suggests two windows: list replacement cables, regulators and battery care kit in winter, while owners are fixing things, and have awnings, ramps and mirrors listed before spring servicing.

Step 9: Price used kit by completeness and age

Search sold listings for the same model and size, not asking prices, then adjust. An awning missing poles, or with mould, is worth less than a complete, clean one. A regulator near the ten-year mark Truma gives has little use left. A cable with a cracked connector needs a new one before use. Decide your lowest price before you list; our guide on handling time-wasters and low offers has replies you can reuse.

Step 10: Ship bulky items without surprises

Weigh and measure the packed item first. Royal Mail Tracked 48 takes medium parcels up to 20 kg and 61 x 46 x 46 cm, with compensation cover up to £75 (Royal Mail: Tracked 48). A single Quattro 3 level, at about 81 cm, is already too long. Parcelforce express48large, a business service, takes parcels up to 2.5 m long, 500 litres and 30 kg each (Parcelforce: express48large). Beyond that, offer collection or a pallet courier and put it in the title.

Pack an awning in its bag inside a box, cover the ends of mirror arms so they cannot pierce the packaging, and bag cable connectors.

Selling on MC999

MC999 is a UK online marketplace with no commission on sales; sellers pay a monthly fee based on the scale of their business, and the first 300 approved UK Founding Sellers get it free for 6 months. Shopify, BigCommerce and Shopline sellers connect their store, and buyers complete the purchase on the seller's own website. Without a web shop, you list items manually and arrange payment with the buyer directly. See Tourism and camping equipment and how the Founding Seller offer works.

FAQ

Can I sell an empty gas cylinder?

Not if it belongs to a gas supplier. Calor says its cylinders remain its property and must be returned to Calor or an authorised outlet. If you own one outright, offer it for collection, because Royal Mail and Parcelforce will not carry it unless it is open to the atmosphere.

Can I post a new sealed leisure battery?

Only if it weighs 1.5 kg or less, which rules out leisure batteries in practice. For anything heavier, offer collection or confirm in writing that your courier accepts it.

What if I do not know my caravan's A-measurement?

Measure it with string as Isabella describes, or give the size on the awning's label with the make, model and year of the caravan it fitted. Isabella's online search also lets buyers look up sizes by caravan brand and production year.

How to Sell Caravan and Motorhome Accessories Online

Step 1: Awnings: give the size the maker uses

Step 2: Levelling ramps: copy the rating per wheel

Step 3: Hook-up cables: core size, length and plug