Why Small Homes Feel Every Draught

In a compact flat or terraced house there is simply less air to warm up, so every gap around a door or window makes itself known. A draught that would barely register in a large open-plan space can make a small bedroom uncomfortable within minutes. The good news is that most draughts come from a handful of predictable places, and sealing them is one of the cheapest improvements you can make. As well as keeping heat in, it cuts down on traffic noise, whistling winds and the dust that blows in from a busy street.

Start by Finding the Real Gaps

Before buying anything, spend ten minutes working out where the air is actually coming from. Cold air often travels along a wall or under a door before you feel it, so the obvious spot is not always the culprit.

• The hand test: on a windy day, run the back of your hand slowly around the frame, hinges, letterbox and base of the door. Skin is far more sensitive to moving air than you might expect.
• The candle test: hold a lit candle a few centimetres from a suspected gap. A flickering flame shows exactly where the leak is.
• The torch test: at night, have someone shine a torch along the outside of a door while you look from inside.

Check hinges, the top and bottom of frames, letterboxes, keyholes and trickle vents. Around windows, pay attention to the meeting stiles of sash windows and the corners where frame meets wall.

Replacing Worn Seals

Rubber and foam seals harden, shrink and tear over time, and once they lose their spring they stop working. Replacement is usually a fifteen-minute task.

For uPVC and aluminium frames, look at the existing gasket. It is often a push-fit bubble or blade seal that pulls out of a groove. Take a short offcut to a hardware shop to match the profile, then press the new length into place, working around the frame without stretching it. A hair dryer on a low setting helps stubborn seals sit flat.

Timber windows and doors often use foam or felt strip. Peel away the old material, clean the surface, and press on self-adhesive foam tape. Buy tape slightly thicker than the gap you measured, as foam compresses. Screw-on or staple-on brush seals outlast adhesive ones, particularly on doors used many times a day.

Adjusting Hinges and Hardware

A door that has dropped or swollen with the seasons can leave a gap along the top or latch side, even with perfect seals. Try these adjustments before reaching for new parts.

• Tighten the hinges: loose screws are a common cause of sagging. If a screw spins, fill the hole with a wooden matchstick and wood glue, then re-drive a slightly longer screw.
• Adjustable hinges: many modern uPVC and composite doors have hinges with visible adjustment screws. A quarter-turn on the horizontal screw moves the door towards the frame; the vertical screw lifts or lowers it. Make small changes and test after each one.
• Strike plate: if the door rattles or the latch does not engage cleanly, the plate may need to move a few millimetres. Unscrew it, file the opening slightly if needed, and refit.
• Door closers: a closer set too strongly will fight the seals and wear them out.

Brush Strips and the Bottom of the Door

The gap under a door is often the largest single source of draught in a small home, and it is also where noise sneaks in. A brush strip or shaped blade seal, screwed to the bottom of the door, closes it neatly and still glides over carpet or a threshold.

Measure the width of the door and the height of the gap before buying. Most strips are supplied slightly oversize and can be trimmed with a hacksaw. Fit the strip to the door rather than the floor so it moves with the door and does not become a trip hazard.

Do not forget the smaller openings. A letterbox with a tired flap, an unguarded keyhole and a cat flap with a worn brush all leak air. Simple covers and replacement flaps cost very little and take minutes to fit.

Quieter Rooms and a Warmer Home

Draught-proofing does double duty. Sealing gaps reduces the path that sound takes into your home, so a well-sealed front door can noticeably soften traffic and footsteps.

For windows facing a busy road, combine new seals with heavy lined curtains that reach the floor and overlap the frame. Fit them on a track close to the wall so they form a pocket of still air. In period properties, secondary glazing panels add another barrier without the cost of full replacement windows.

Finally, remember ventilation. A small home sealed too tightly can become damp, and condensation is worse than a draught. Keep trickle vents open where fitted, or open a window a little each day, especially in kitchens and bathrooms. The aim is to stop unwanted moving air while still letting your home breathe.