The short answer
A little more often, yes, if the slope is shaded or the gutters are old. Marcham lies between the River Ock and Sandford Brook on low ground, where damp air lingers. A yearly look at gutters, valleys and flashings catches most problems while they are cheap to fix.
Marcham sits between the River Ock to the south and west and Sandford Brook to the east, at roughly 200 to 300 feet above ordnance datum, and a mill has stood on the Ock here since the eleventh century. Valley settlements like this are not exposed in the way a hilltop is, but damp lingers in them, and roofs under trees stay wet for longer.
Q3.1What do moss and shade do to a roof?
A thick mat of moss on a shaded slope keeps the tile wet, and frost then flakes its face. Brushing it off gently and clearing the gutters below is usually enough. We advise against pressure washing, which drives water under the laps and strips the face of old tiles, so any cleaning we do is by hand and brush. Our moss removal page covers when cleaning helps and when it hides a bigger fault.
Q3.2Why do gutters matter so much?
Gutters that overflow soak walls and rot fascias on old cottages. Look for stains under joints, plants growing in the run and water running down the wall in rain. A blocked outlet takes minutes to clear and can save a repair that costs far more.
Q3.3What about flat roofs and extensions?
Rear extensions and garages with flat roofs collect leaves and standing water. If a puddle is still sitting there two days after rain, the fall is poor, and the membrane will age faster beneath it. Ponding is worth a photograph, because it tells us whether a repair will hold or whether the deck needs attention.
None of this is dramatic. After a storm, look for slipped tiles on the lawn, a gutter hanging away from the fascia or a dark streak on a bedroom ceiling, and call us if you see one. A short check each autumn and after any storm is the lightest maintenance a roof can have.