Marbella Old Town, inside the walls of 1485

The casco antiguo is a small, dense, mostly pedestrian quarter on the landward side of Avenida Ramón y Cajal, and it is the only part of Marbella that predates tourism by five centuries. The city surrendered to the Crown of Castile on 11 June 1485 without a fight. What followed shaped the street plan we walk today: the Muslim medina was pulled down to open a main square and a straight street running to the sea gate, leaving the older, tighter lanes to survive around the edges. The rectangular ruin of the castle still anchors the northern side.

The housing is almost entirely pre-modern fabric that has been divided, rejoined and re-divided. Typical stock is a two- or three-storey townhouse three to five metres wide, with a stair core, a roof terrace, and rooms that are tall rather than large. A good many have been converted into one- and two-bedroom flats, some legally and some at a moment when nobody was checking. There is very little parking, no communal pool anywhere, and no new build at all — the only way to add supply here is to reconfigure what exists.

Life runs at walking pace, which is the entire point. The market, the bakeries, the pharmacies and the town hall are all inside a few hundred metres; the Museo del Grabado in the sixteenth-century Hospital Bazán opens on weekdays; Plaza de los Naranjos fills with people who live nearby before it fills with people who do not. Restaurants trade through the winter here in a way that beachfront strips do not, and one of the alleys holds a two-Michelin-star dining room. What you hear at night is voices and shutters, not traffic.

The caveats are real and they are structural. Deliveries, removals and building materials all have to be carried in; a stair is often the only access; a house shares party walls with two neighbours whose renovation plans you do not control. Heritage protection means window frames, façade colours and roof lines are not the owner's decision alone. And in July and August the busiest lanes carry a great many day visitors past the front door until late. None of that is a defect — it is what a fifteenth-century quarter is.

Paula's read is that the old town rewards a specific buyer and quietly punishes everyone else. Those who want a small, characterful, low-running-cost base that works without a car do well here, and resale is steady because the supply cannot grow. Those who arrive expecting the space, the parking and the outdoor living of a coastal urbanisation end up renovating their way towards a compromise. The two groups look identical at the first viewing and completely different two years later.

The fabric is late-medieval and sixteenth-century in origin, repaired continuously ever since. Load-bearing masonry, timber floors, small window openings and internal stairs are the norm; whitewash, wrought iron and terracotta are the surface. The civil set pieces are the ruined castle with its Torre del Cubo, the sixteenth-century Casa del Corregidor on the main square, the Ermita de Santiago as the oldest religious building in the city, and the Hospital Bazán, whose Renaissance shell now holds a print museum. Everything residential sits between those: narrow houses, roof terraces, and flats carved out of former single dwellings.

In February the quarter still works. The greengrocers and the bars around Plaza de las Flores serve people who live upstairs, and the town hall keeps municipal life inside the walls. Children go to school outside the quarter, which means a short drive or a bus, and that is the one journey the old town does not make easy. Evenings are the best hours: the Alameda and the Dalí bronzes on Avenida del Mar are two minutes away, the sea is a five-minute walk, and the noise fades to nothing behind a closed shutter.

It suits a buyer who wants Spain rather than resort Spain: a single person or a couple, a pied-à-terre owner who flies in for long weekends, an investor letting to people who came for the town and not the sand. It does not suit a family that needs three bedrooms on one level, anyone who expects to park outside the door, or a buyer whose weekend involves a boat, a buggy or a set of golf clubs. Nor does it suit an owner who dislikes asking a heritage department for permission.