Coastal Building Restrictions in Alicante: What Ley de Costas Means for Buyers

Spain's coastline is treated as public property along a strip nearest the sea, and the Ley de Costas (Coastal Law) sets out how far that public domain reaches and what can be built near it. For a buyer looking at Alicante, this is not abstract legal theory: it can determine whether a house can be extended, whether a terrace built decades ago is fully legal, and, in rare cases involving older constructions close to the shoreline, whether a property's long-term future is secure.

None of this means buying near the sea in Alicante is unwise. Thousands of coastal homes are bought, renovated and enjoyed every year. It simply means the checks need to happen before you commit, not after, and that a local lawyer who reviews the land registry entry, the cadastral file and any municipal coastal certificate is essential rather than optional for this type of purchase.

Alicante province stretches along Spain's southeastern Costa Blanca, combining lively coastal towns like Benidorm and Torrevieja with quieter inland villages and traditional cities such as Alicante itself. It attracts a wide mix of foreign buyers, from retirees seeking year-round mild weather to families and investors drawn to beach access and established expat communities.

Alicante Airport provides strong international connections, making the area easy to reach for both permanent residents and holiday-home owners. Property types range from modern apartments and coastal villas to inland townhouses, with the region generally quieter outside the summer high season.

This section sets out dated, sourced figures for Alicante (province) — residents, advertised prices, access and climate — so you can see the place as it is now. They help you judge, realistically, whether Alicante (province) suits what you have in mind, whether living there, holidaying or renting it out.

On 1 January 2025 the INE recorded 2,033,566 residents across the entire province of Alicante, a figure that includes every municipality, not just the capital that shares its name. These official population data set the context for the local market figures below. Across the province of Alicante, 497,387 residents carry a foreign nationality, near 24 of every 100. This is a solid but moderate presence, one that differs a great deal from town to town across the province.

According to INE, 68,904 British nationals were registered in the province of Alicante on 1 January 2025, among the largest foreign communities found there. This suggests that compatriots of the reader are well settled throughout the province. In 2021, 75,925 were registered, more than the current figure. The decline often reflects people leaving the area or dropping off the padrón rather than any sudden exodus. Here are the largest foreign communities registered in Alicante (province) on 1 January 2025, drawn from the nationality figures INE publishes for each municipality.

Beyond the main nationalities listed above, the INE also registers smaller groups, Germans, Italians, Dutch, Belgians or Scandinavians among them, across Alicante province. This breakdown reflects 1 January 2022, the last edition counting every nationality individually, a different year from the table above.

Our price bank includes 33,334 homes for sale throughout the province of Alicante, with a median of €2,730/m² and a median ticket of €269,000. Both numbers land close to the €3,135/m² median of the 130 towns we track across Spain. Prices vary considerably from one listing to the next, though the bulk of the market, its middle half, falls between €1,880 and €3,650 per square metre.

Taking €269,000 as the median asking price in Alicante (province), the resale transfer tax at 9 % amounts to about €24,200, and notary, land registry and gestoría costs add a further €3,200. The combined figure, close to €27,400, is what a buyer needs ready in savings, separate from any mortgage funds. The figures reflect asking prices in listings live on 2026-11-01, rather than prices actually paid. Final amounts are agreed through negotiation and vary with the state, location and orientation of each property.

This table sets out population, foreign residents per 100 people and median price per square metre for the towns we track in Alicante (province), highlighting how much local markets can vary.

According to INE's experimental estimate from holiday-rental platform listings, Alicante (province) had 32,148 tourist dwellings in 05/2026, offering 164,954 bed places and close to 16 per 1,000 residents. The presence is moderate overall, but a regional licence remains necessary for tourist letting. The Ministry of Housing's reference system puts the median long-term rent for a flat in Alicante (province) in 2024 at €500 a month, drawn from 76,825 declared tenancy contracts. It reflects what was actually paid in the past rather than holiday-let income, and rents can move in either direction. According to the same official data, the middle half of long-term rental flats cost between €400 and €650 a month.

The only commercial airport within the province of Alicante is Aeropuerto de Alicante-Elche (ALC), so it is worth checking in advance whether it operates in the season you plan to travel, since schedules can vary through the year. Because Alicante is where these climate figures were measured, other parts of the province, further inland, at higher altitude or on separate islands, can feel quite different. The mean temperature in January is 11.7 °C (average daily minimum 6.3 °C) and in August 26.0 °C (average daily maximum 30.8 °C), a cool-mild winter pattern. It is worth confirming how any property is heated before buying. Annual rainfall runs to about 311 mm, recorded on roughly 38 days, a clearly dry pattern. The area records about 2,851 hours of sunshine a year. Source: the 1981-2010 climate normals published by AEMET, the state weather agency, for its Alacant/Alicante station, some 3 km from here; local conditions can differ, especially inland or at altitude.

In the twelve months to 07/2026, 51,383 homes changed hands in the province of Alicante, INE figures show. Such activity tends to bring more reference prices and a larger selection for anyone searching. These are province-wide figures for Alicante, and they can differ substantially depending on the town and the property in question. Tell us about your plans and we will go through the numbers for your case.

The transfer tax on a resale home is set by each Spanish region. In Alicante the general rate is 9 %, and on top of it come notary, land registry and gestoría (roughly one more percent). On a new build you pay 10 % VAT plus stamp duty instead of the transfer tax. This money is not lent by the bank.

The law divides the coast into zones. Closest to the water is the public maritime-terrestrial domain, which belongs to the State and cannot be privately built on. Behind that sits a protection zone, where new construction is generally barred and existing buildings may face limits on how much they can be reformed or enlarged. Further back is a wider influence zone, where building is allowed but under stricter local planning rules than inland plots.

Many homes in Alicante sit comfortably outside any restricted strip and are unaffected in practice. Others, particularly older houses built before current rules were tightened, may hold a special legal status that allows the existing building to remain but limits what can be added to it. This is exactly the kind of detail a buyer needs clarified property by property, not assumed from a listing description.

For a property in Alicante that sits anywhere near the water, the paperwork trail matters as much as the view. A lawyer can request the coastal demarcation (deslinde) status from the relevant authority, confirm whether the specific plot or building falls inside a protected strip, and check whether any existing concession or special authorisation applies to it.

These checks take time, so build them into your timeline before exchanging. A property that looks straightforward on a portal listing can turn out to carry conditions that affect a future extension, a pool, or even routine maintenance work near the boundary.

Spain is a relatively short flight away from most UK airports, making regular visits to a Spanish property straightforward for owners based in Britain. Many British buyers are drawn to Spain for its climate, coastal lifestyle and established expatriate communities. One practical point to bear in mind is that Spanish inheritance law differs from UK rules, so it is worth taking specific advice on how it may affect the property and one's estate. Currency movements between sterling and the euro can also affect the overall cost of purchase and ongoing expenses.

Spain and the United Kingdom have a double taxation agreement in place, and a local tax adviser should confirm how rental income or gains from Spanish property must be declared and reported to HMRC.

As the United Kingdom is no longer an EU member state, British citizens may stay in Spain for up to 90 days in any 180-day period without a visa, and must apply for a visa or residence permit for longer stays.

Since the United Kingdom uses the pound sterling (GBP) rather than the euro, buyers should factor in exchange-rate movements and currency conversion costs when paying for a property or transferring funds to Spain.