Blog/Design
21 September 2025 · 6 min read
The single-storey courtyard plan, revisited
The single-storey courtyard plan keeps reappearing in the best new villas on the coast. It is not nostalgia. On a hot, exposed plot, the courtyard quietly solves five problems at once.
Carlos
Architect and Founder, DIEZ
Why the plan keeps coming back
Spend enough time reading floor plans on the Costa del Sol and a pattern surfaces. The villas that hold up best in summer, and that feel calm rather than exposed, often share one move: a single storey arranged around an open courtyard. It is not a fashion. The same diagram appears in the Roman atrium house, in the Andalusian cortijo, and in the Moorish patio, for the same climatic reasons.
The logic is simple. A hot, bright, sometimes windy plot is a difficult place to put glass. Rather than face all of that outward, the courtyard plan folds the building around a sheltered centre and lets the rooms draw light and air from the inside as well as the outside. The result is a house that is generous with views where you want them and quiet everywhere else.
The courtyard is not lost space. It is the room that makes the other rooms work.
What follows is a plain account of the five problems this form solves on an exposed coastal plot, and what to actually look for in a plan before you trust that it has solved them.
The five problems it solves
On paper a courtyard looks like a cost: you give up buildable area to an open void in the middle of the plan. In practice that void does several jobs at once, and each one removes a problem that would otherwise need a separate, less elegant fix later. The table below sets them side by side.
| Problem on the plot | How the courtyard solves it |
|---|---|
| Summer heat and an exposed footprint | The narrow, single-aspect-depth wings allow cross-ventilation through every room, and the planted, often shaded courtyard sits cooler than the surrounding terrace, drawing warm air off the living spaces. |
| Wind off the coast and the sierra | Solid outer walls take the prevailing wind, while the enclosed courtyard stays still. You gain a sheltered outdoor space on days when an open terrace is unusable. |
| Overlooking and lack of privacy | Glazing turns inward to the courtyard rather than outward to neighbours or the street, so the house can open up fully without being seen into. |
| Harsh glare and direct sun on glass | A deep overhanging eave around the courtyard, sized to the latitude, shades the glass in summer and admits low winter sun, so rooms stay bright without the heat load. |
| No genuine usable outdoor room | The courtyard becomes a sheltered, private outdoor space used across the day and the seasons, in effect an extra room rather than a leftover margin. |
None of these are exotic. Each is the kind of problem a buyer notices only after a first summer, when a terrace turns out to be too windy in the afternoon or a wall of glass turns a room into a greenhouse. The courtyard answers them in the geometry rather than the specification.
What to read before the finishes
A courtyard on a plan is not proof that the plan works. The form can be drawn well or badly, and the difference is usually invisible in the marketing images. Three things decide it.
The orientation of the void
The courtyard should be placed so the principal living wing sits on the cooler, controllable side and the open centre captures sun in winter without baking in summer. A south-facing courtyard with deep eaves behaves very differently from a west-facing one left unshaded. Ask where the sun lands in August at four in the afternoon, not in the render.
The depth of the overhang
The single detail that most often separates a comfortable courtyard house from a hot one is the depth of the roof overhang around the patio. Too shallow and the glass takes full summer sun; correctly sized for this latitude it shades the opening in summer and lets low winter sun reach in. It is a number you can measure on a section drawing.
The depth of the wings
- Rooms one bay deep can ventilate and light from both sides; rooms two or three bays deep cannot, and the courtyard advantage is lost.
- A wing that is too thick reintroduces the dark, hot interior the form is meant to avoid.
- Check that bedrooms and the main living space genuinely have two aspects, not just a courtyard-facing window onto a deep, single-lit room.
If the section is not drawn, the courtyard has not yet been designed. It has only been suggested.
The honest trade-offs
The plan is not free. A single storey wrapped around a void uses more ground than a compact two-storey box of the same area, so it needs a plot with room to spread. The roof and external wall area are larger, which raises build cost per square metre. And the open centre asks for maintenance: drainage, planting, and surfaces that take sun and rain.
- 1It favours wider, flatter plots; on a steep or narrow site the form is harder to justify and may not be the right answer.
- 2Expect a higher build cost per square metre than a stacked plan, offset against lower running costs in summer and a more usable house.
- 3Budget for the courtyard as a built room, with proper drainage and irrigation, not as a garden afterthought.
Set against the right plot, those costs buy a house that stays comfortable without working its systems hard, and an outdoor space that is used rather than admired. That balance is why the form has outlasted every style that has passed over it.
- Atrium
- The open central space of a Roman house, the direct ancestor of the courtyard plan, used to light and ventilate the rooms around it.
- Patio
- In the Andalusian and Moorish tradition, an enclosed planted courtyard, often with water, kept cool and private at the heart of the dwelling.
- Single aspect
- A room with windows on only one side. The courtyard plan aims instead for dual aspect, where rooms draw light and air from two sides.
- Eave overhang
- The horizontal projection of the roof beyond the wall. Its depth, set to the site latitude, controls how much summer sun reaches the glass.
Common questions
Isn't a single-storey courtyard house a waste of plot compared with a two-storey villa?
It uses more ground for the same internal area, so on a tight plot it can be the wrong choice. On a wider plot the open centre is not waste; it is a sheltered outdoor room that the surrounding spaces all use and borrow light and air from. The question is whether the plot has room to spread, not whether the area is efficient on paper.
Will the courtyard make the house hot in summer rather than cool?
Only if it is drawn badly. A correctly oriented courtyard with a deep enough eave overhang stays cooler than the open terrace and helps draw warm air out of the rooms. A west-facing, unshaded courtyard can do the opposite. Read the section drawing and ask where the August afternoon sun lands before you trust the form.
Does this plan suit a steep Costa del Sol hillside plot?
Less naturally. The form wants a wider, reasonably flat footprint to wrap around its centre, so it suits coastal flats and gentle slopes better than steep terraced sites. On a steep plot a stepped or stacked plan often makes more sense, and the courtyard idea may survive only as a partial, sheltered patio rather than a full wrap.
How do I tell a well-designed courtyard plan from a cosmetic one?
Look past the renders at three things: the orientation of the open centre, the depth of the roof overhang on a section drawing, and the depth of the surrounding wings. If the principal rooms are one bay deep with two aspects and the eave is sized for this latitude, the form is doing its job. If the section has not been drawn, the courtyard has been suggested rather than designed.
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