What the 61 percent measures — and what it does not

The question the 61 percent answered yes to is not: are you building? It is: have you ever considered it? That is a sentiment reading, not a volume of construction. The same UCI survey records 42 percent across Spain who have considered it and 8.5 percent with a concrete project. The gap remains striking: nine points ahead of Extremadura, in a region where building land is especially scarce. Willingness is highest where building is hardest.

Roughly 3,000 euros on the market against roughly 1,500 to build

The reason is in the price statistics. The Colegio de Registradores records an average of 3,052 euros per square metre for second-hand homes in the Canaries in the second quarter of 2026, Fotocasa 3,375 euros for August 2026. Spanish construction-cost references for 2026, by contrast, put the building work on a detached house at 1,300 to 1,700 euros per square metre, and 1,800 to 2,500 with fees and taxes — excluding land. Between buying and building, then, lies a gap of about a thousand euros per square metre. La Provincia works it through: a house costing 300,000 euros on the market for about 220,000 if self-built — while warning that the hoped-for saving of 120,000 or 150,000 euros does not materialise.

The declared budget is not rising in a straight line

La Provincia sets a second series alongside it: the budget Canary buyers say they are willing to pay for a house. It stands at 196,704 euros in 2026, against 113,911 in 2024 — a rise of 82,793 euros, or 72.7 percent. But the series has a middle value that dismantles the simple story: in 2025 it was 208,375 euros, some 11,700 more. Measured against the previous year, declared budgets have therefore fallen by about 5.6 percent. More plausible than an explosion in willingness to pay is a ceiling set by incomes and credit costs: the average gross salary in the Canaries was most recently 25,120.38 euros a year.

The first filter is the plot

Construction costs without land are an incomplete calculation, and on an archipelago land is the most expensive part. La Provincia names the plot as the first hurdle: first the purchase of a suitable site, then design, permits and associated costs. In early September 2026 the regional president, Fernando Clavijo, cited the scarcity of buildable land as a reason for the shortfall of 30,000 homes he put forward — a government statement with no independent corroboration. At the same time the finding of the Canary housing observatory quoted by La Provincia shows that it is not simply a lack of surface area: serviced urban land is calculated to hold capacity for around 125,000 homes.

Permit, time, and the order in which the money moves

The third condition is time — the reason Law 7/2026 of 31 July exists. It strengthens the responsible declaration and prior notification against the classic permit and generalises positive administrative silence. The preamble states the position it was written for: the three-month deadline had locally become years; Canary municipalities currently cite something closer to six months. What then matters is how this meshes with financing. A self-build mortgage is released in tranches against certified stages of work and presupposes that the plot, an approved design and the permit are already in hand. Own capital therefore pre-finances the most expensive part before the bank comes in.