Every year at GG Real Estate Costa Blanca we see the same pattern among our international buyers: Polish, Norwegian and Baltic families who have been "looking" for months make their decision precisely when summer ends. It isn't intuition — it's market conditions that change. This guide explains why September and October are good months to close a new-build purchase on the Costa Blanca, and what you should have sorted out before taking advantage of them.

Why September and October change the equation

Investing in summer

During the summer, many visits to developments are mixed in with holidays in the area: there is genuine interest, but also an element of tourism that makes people decide more slowly, or simply postpone. As soon as August is over, the profile of the visitor changes: it is usually someone who has already decided to take the step and wants to move forward.

Investing now

That shift is also noticeable on the developers' side. Many reach September aiming to sell units before the end of the year, which in practice often means more room to adjust the payment schedule or reservation terms than during high season. It is not guaranteed in every case, but it is a pattern we observe year after year.

Add to this a purely practical factor: in September and October the Costa Blanca offers a far more comfortable temperature to walk around a development calmly — the real orientation of each home, how light enters the rooms, the views from each floor — without the August heat that tends to rush any visit. Buying a new-build home is a decision best made without haste, and this time of year allows it.

The 2026 financial context: why this matters now

Euribor

The 12-month Euribor closed August 2026 at 2.954%, its highest level in two years, after 2.855% in July. The European Central Bank, which resumed rate hikes on 11 June after almost three years on hold, raised them again on 10 September by a further 25 basis points.

For the average Spanish buyer, this makes mortgages more expensive. But the buyer profile we usually work with — families from northern and eastern Europe buying new-build homes in Jávea, Altea, Calpe and Finestrat, combining their own use with holiday-rental income — tends to contribute a share of own capital far above the Spanish residential market average, which largely cushions the impact of these increases.

What prices on the Costa Blanca are saying

The average price in the province of Alicante stood at €2,267/m² in the second quarter of 2026, according to the Spanish Land Registry Association. In the areas where we work, the picture is different: €4,183/m² in Jávea/Xàbia (+5.8% year on year) and €4,509/m² in Moraira (+6.1% year on year) in August 2026, according to idealista/data.

Sales in the province

46.43% of property sales in the province of Alicante in the second quarter of 2026 were to foreign buyers — the highest share in Spain — which explains why well-located new-build product sells quickly even in a high-rate environment. If you are weighing up which area suits your profile best, in new-build property on the Costa Blanca in 2026: everything you need to know before buying we break down the municipalities with the most development activity and the specific risks of buying off-plan.

What to bear in mind if you decide to take the step

Settle your budget before you visit. With Euribor at a two-year high, knowing how much capital you have — your own or financed — lets you react quickly when you find a development that fits.

Be clear about what is non-negotiable for you. Area, orientation, layout, expected rental yield. With those criteria defined, every visit becomes a real check rather than improvisation.

Take advantage of the flexibility of this time of year. As we explained above, developers often have more room in September and October to adjust deadlines and payment terms.

Sort out the tax and administrative side in good time. NIE, bank account, non-resident taxation: if you are buying as a foreigner, in buying a home on the Costa Blanca as a foreigner: NIE, taxes, mortgage we answer the most common questions before they reach the notary.

At GG Real Estate Costa Blanca we support international buyers throughout the whole process of acquiring a new-build home, from choosing the development to signing at the notary. Browse our catalogue of new-build properties on the Costa Blanca and talk to our team with no obligation.