Bare floorboards are one of those things that look wonderful in photographs and feel considerably less wonderful underfoot at seven in the morning in February. If you are renting a period flat or a Victorian terrace with original boards, you are probably dealing with three problems at once: cold, noise, and the constant worry of scratching someone else's floor. The good news is that you do not need to spend a fortune or make any permanent changes. A few well-chosen layers will transform the room, keep your deposit intact and make the place feel genuinely homely.

Start With One Properly Large Rug

The single biggest mistake people make with bare boards is buying a rug that is too small. A postage-stamp rug floating in the middle of a room does nothing for warmth or for the look of the space. As a rough rule, your rug should be large enough that at least the front feet of your sofa and chairs sit on it, with a decent border of boards visible around the edges.

In a typical rented living room, that means something in the region of 160 x 230cm, or 200 x 300cm if you have the space. It sounds enormous, but it will make the room feel bigger, not smaller, because it visually anchors the furniture.

• Wool or wool-blend: warmer underfoot, hard-wearing and naturally stain-resistant. Worth the extra if you can stretch to it.
• Cotton flatweave: cheaper, machine-washable in some cases, and ideal if you have pets or small children.
• Jute or sisal: brilliant as a hard-wearing base layer, but scratchy on bare feet and best topped with something softer.

Charity shops, Facebook Marketplace and end-of-season sales are your friends here. A slightly faded wool rug from a house clearance will often outlast a cheap new one and cost a fraction of the price. If you find one that is the right size but the wrong colour, a rug can be dyed at home with a machine dye suitable for the fibre, though check the care label first.

Layer Up for Real Warmth

One thick rug is good. Two thinner ones layered is often better, and it is a trick interior stylists use constantly. A large neutral jute or sisal rug as the base, with a smaller patterned wool or cotton rug laid diagonally on top, gives you depth, texture and far more insulation than either would manage alone.

Layering also solves the rental problem of changing your mind. If you tire of the top rug, you roll it up and swap it out without touching the floor beneath. Add an anti-slip underlay beneath the bottom layer and the whole arrangement stays put, even on polished boards.

Protect the Boards Without Damaging Them

Original floorboards scratch. It is what they do, and every chair dragged across them leaves its mark. The cheapest insurance you can buy is a packet of felt pads.

• Self-adhesive felt pads for every chair, table and sofa leg. Buy a mixed pack in several sizes; the heavy-duty ones with a hard plastic base last far longer than plain felt.
• Heavy-duty cups for anything that gets moved regularly, such as a dining table or a piano stool.
• A felt or rubber-backed runner in hallways and along the kitchen-to-living-room route, where footfall is heaviest.

Check the pads every few months. Grit works its way into the felt and turns it into sandpaper, which is worse than having no pad at all. A quick wipe with a damp cloth and a replacement pad costs pennies. It is far cheaper than the conversation you will otherwise have with your landlord at the end of the tenancy.

Stop the Draughts Before They Start

Original boards often have gaps between them, and those gaps let in a surprising amount of cold air, particularly on the ground floor or above a cellar. Do not reach for expanding foam or silicone, which will damage the boards and almost certainly breach your tenancy agreement.

• Draught excluder snakes along the bottom of internal doors. A homemade one made from a length of tights stuffed with rice or dried lentils works perfectly and costs almost nothing.
• Brush or foam strips for the base of doors, fitted with the self-adhesive backing so they lift off cleanly later.
• Thick, floor-length curtains that just brush the boards. This is the single most effective change for a cold room, and it also protects the boards from sunlight fading.
• Removable sealant cord pressed into visible gaps between boards. It lifts out with a blunt knife when you leave.

Heavy curtains need proper support, so check what the wall is made of before you hang anything. A tension rod works in some windows, but a decent curtain pole fitted into masonry with the correct plugs will hold far more weight and is worth the small outlay.

Finishing Touches That Cost Very Little

Once the floor is warmer, the room tends to come together quickly. A few additions that punch well above their price:

• An extra throw over the arm of the sofa, in a colour picked up from the rug.
• A second-hand footstool with felt pads underneath, for lifting cold feet off the boards on dark evenings.
• Battery-operated warm-white lamps in corners, which make a room feel cosier than a single overhead light ever will.

None of this requires permission, a drill or a big budget. It is simply a case of layering softness over hard surfaces, protecting what is already there, and keeping every change reversible. Do that and your rented room will feel like yours, whatever the floor was doing when you moved in.