Market Update · 9 min read
Spain's Housing Shortage Is Growing Towards 800,000 Homes: What It Means for Costa Blanca Buyers in 2026
10 June 2026 · Hansson & Hertzell
Spain faces a structural housing deficit estimated at 600,000–800,000 units, with new build completions running at roughly half the level needed to meet demand. For Costa Blanca buyers, this supply-demand imbalance is the single most important structural driver of property prices through 2026 and beyond.
Spain's housing deficit — the gap between the number of homes being built and the number required to satisfy demand — is now estimated at between 600,000 and 800,000 units, depending on the methodology. The most-cited figure comes from the Bank of Spain's research division: approximately 600,000 units of accumulated undersupply, with the gap continuing to grow as completions lag demand.
New build completions in Spain in 2025 ran at approximately 100,000–110,000 units per year. Demand estimates from housing economists range from 180,000 to 250,000 units per year. The sector is building at less than half the pace needed to close the deficit — and the timeline to close it, even at an optimistic growth in construction output, is measured in years rather than months.
For buyers asking "is now a good time to buy?" — the housing deficit is the structural answer. Markets with a persistent supply shortfall don't correct sharply; they maintain pricing support until the supply imbalance is resolved.
Why Spain Can't Build Fast Enough
The construction sector's capacity constraints are structural, not cyclical:
Labour shortages. Spain's construction workforce was decimated by the 2008–2014 property crash. Skilled trades — electricians, plumbers, tilers, structural specialists — left the sector permanently. The apprenticeship pipeline that would have replaced them was shut down for years. Rebuilding skilled labour takes a decade; demand has returned in 2–3 years.
Materials price inflation. Construction materials (steel, concrete, timber, insulation) saw 30–50% price increases between 2021 and 2023 and have not fully normalised. This squeezes developer margins and can make projects that were viable at 2020 tender prices unviable at 2023 construction costs.
Planning and permitting delays. Spanish municipalities are under-resourced for permitting. Planning applications that would have moved in 6–12 months in 2015 now take 18–36 months in many coastal provinces. Developers who received planning approval in 2021–2022 (a period of lower demand and cautious projections) are only completing those projects now. The pipeline decisions made in optimistic years are still 2–3 years from completion.
Land availability at coastal locations. The Costa Blanca's most desirable coastal areas have limited buildable land remaining. Spanish coastal law (Ley de Costas) restricts development near the shoreline. Developments inland or on hillside sites face longer access infrastructure requirements and higher construction complexity. The lowest-cost new build land is not in the highest-demand locations.
The Costa Blanca's Position Within the National Picture
Alicante province faces its own version of the housing shortage, with some particular characteristics:
Higher demand growth than supply growth. Alicante province's international buyer concentration means demand is growing faster than the national average — fuelled not just by domestic Spanish households but by northern European relocators. This demand level is not well-served by a construction sector operating at less than full capacity.
Tourist rental regulation reducing available stock. Spain's national tourist rental registration (NRU) and local municipality restrictions on new tourist rental licences are reducing the supply of holiday-use apartments. Some owners who previously let short-term are converting to long-term rental — which reduces tourist rental supply and increases long-term rental demand, keeping both rental yields and purchase prices elevated.
Golf resort development as a partial solution. The Costa Blanca's active golf resort development pipeline (Orihuela Costa area, Villamartin, Las Ramblas, Campoamor) is one of the more active new build segments nationally. These developments are supplying units into the international buyer market at a pace other Spanish provinces are not matching. But even this activity is insufficient to close the demand gap.
What This Means for Buyers in 2026
The housing deficit has several concrete implications for buyers considering a Costa Blanca purchase this year:
No price correction is likely. Housing price corrections typically require a demand shock (rising unemployment, mortgage rate spike, loss of buyer confidence) or a supply glut (overbuilding, forced developer sales). Neither condition exists in the Costa Blanca market in 2026. The ECB has cut its deposit rate to 2.00%, demand is diversified across multiple buyer groups, and supply is constrained. The structural case for continued price appreciation is intact.
Off-plan reservation is the value play. Locking in a price today on a development that completes in 18–24 months benefits from both the current price and any appreciation during construction. At the current rate of approximately 14–18% annual appreciation, an off-plan reservation at €250,000 today means completing on a property worth €295,000–300,000+ at handover — building in equity before you take possession.
New build premium will widen. As the cost of construction materials and labour remains elevated, new build will get relatively more expensive over time compared to resale — but the specification and efficiency advantage of new build is also growing. The premium for new build will widen, meaning buyers who enter the new build market now capture better relative value than those who enter in 2028.
Waiting for better prices carries supply risk. Some buyers wait for an anticipated correction. With a structural deficit of 600,000–800,000 units that will take years to close, the more relevant risk is that available inventory in their target specification and price range continues to narrow. The best-specified new build developments in prime locations will be fully pre-sold years before completion as demand absorbs available off-plan inventory.
Historical Context: Why This Cycle Is Different from 2007
The natural question when discussing a Spanish property boom is whether 2026 looks like 2005–2007 — the prelude to Spain's catastrophic crash.
The key differences:
Leverage levels. The 2007 crash was a leveraged crash — Spanish banks had been providing 100–110% LTV mortgages to domestic buyers and developers. Today, non-resident buyers typically finance 30–40% in cash. Spanish domestic mortgage regulations post-crisis cap LTV at 80% for residents. The leveraged speculation that amplified the 2007 crash is structurally prevented by current lending rules.
Supply dynamics. Spain was massively overbuilding in 2005–2007 — 800,000+ completions per year at peak. Today's 100,000 completions is a completely different supply context. The current market is supply-constrained rather than supply-saturated.
Buyer profile. The 2007 market had significant speculative domestic buying (buying to flip). The current international buyer base is predominantly lifestyle/retirement purchasers and long-horizon investors — not speculators. There is no dominant "quick flip" culture in the current market.
The conditions that caused the 2007 crash are not present. The current conditions — structural undersupply, diverse multi-national demand, post-crisis mortgage caution — are the opposite.
The Supply Gap in Numbers
The argument above rests on a handful of quantities. Set out together, they show how far apart the two sides of the Spanish housing equation have drifted.
| Measure | Figure |
|---|---|
| Accumulated housing deficit | 600,000–800,000 units |
| New build completions, 2025 | approximately 100,000–110,000 per year |
| Estimated annual demand | 180,000–250,000 units |
| Planning-to-completion lead time | 3–5 years |
| Nominal price growth, Q2 2026 | +15.2% (Tinsa IMIE) |
| Full-year 2026 price forecast | approximately +12% (BBVA) |
The last two rows are the ones that turn a supply argument into a price argument. A deficit only matters if it shows up in what people pay, and in the second quarter of 2026 it did: 15.2% nominal growth on the national Tinsa index, with BBVA forecasting around 12% across the full year.
H1 2026: Fewer Sales, Higher Prices
There is a reading of the half-year data that looks like a rebuttal to everything above, and it deserves a direct answer rather than a footnote.
Notary statistics show national home sales down roughly 8% year-on-year in the first half of 2026 — about 7% lower in Q1, about 9% lower in Q2. On its face, falling transactions sound like softening demand, which would undercut a shortage narrative.
It does not, for a straightforward reason. When demand weakens, volumes and prices fall together. In H1 2026 volumes fell and prices accelerated. That combination is what a supply constraint looks like from the inside: not everybody who wants to buy can find something to buy, so fewer transactions complete, and the ones that do complete are settled at higher prices by the better-funded end of the buyer pool.
The composition confirms it. The decline is concentrated among domestic Spanish buyers, who are most exposed to mortgage affordability. The foreign-buyer share of Spanish purchases is at a record and is concentrated in coastal provinces — which is to say, in the market this article is about. Fewer Spanish households are transacting inland; roughly as many northern Europeans are transacting on the coast, against a pipeline that has not grown.
For a buyer weighing an off-plan reservation, the H1 data does not change the calculation set out above. If anything it sharpens it: the constraint is on the supply side, and lower national volumes are not going to produce coastal inventory that the construction sector has not built.
What Off-Plan Costs to Buy and Finance
The off-plan value argument above works only if the cost side is included, and one input changed part-way through 2026.
| Cost | New build (off-plan) | Resale |
|---|---|---|
| VAT (IVA) | 10% of price | Not applicable |
| Stamp duty (AJD) | 1.5% of price | Not applicable |
| Transfer tax (ITP), Comunitat Valenciana | Not applicable | 9% from 1 June 2026, previously 10% |
| Maximum loan-to-value, non-residents | 60–70% | 60–70% |
| Typical mortgage rate | 3.0–3.8% variable / 3.5–4.2% fixed | Same |
New build carries 11.5% in headline tax against resale's 9% since the Comunitat Valenciana's June 2026 transfer tax cut. That is a real difference on a €250,000 purchase — roughly €6,250 — and it should be built into any comparison of an off-plan reservation against an equivalent resale property, alongside the specification and warranty advantages that run the other way.
The financing point matters more for off-plan than for resale, because the timeline is longer. Non-residents are typically lent 60–70% of price or valuation at completion, not at reservation, and the valuation is taken at completion too. A buyer reserving today on an 18–24 month build should plan the cash position around a 30–40% deposit and should not assume the appreciation described above will be recognised in the bank's valuation.
If the intention is to let the property short-term once complete, the Licencia Turística is a separate question from the purchase and should be checked against the specific municipality before reservation. Letting without one carries fines up to €60,000, and — as noted above — municipalities restricting new licences make existing ones more valuable, not less.
Related guides
If you are working through a purchase, these cover the neighbouring ground in more detail:
- Costa Blanca Property Market Outlook 2026: What Buyers and Investors Should Expect
- Dutch Buyers Overtake Germans in Spain: What the Foreign Buyer Reshuffle Means for Nordic Purchasers
- Spain's Government Housing Plan 2026: Should Costa Blanca Buyers Be Worried?
- Costa Blanca Property Market Update — Spring 2026
Browse our current listings on the Costa Blanca or get in touch.
From our listings
Key-ready on Costa Blanca right now
Finished new builds with builder guarantees — nothing to renovate, no waiting for construction.
Avileses · 1 - 3 bed
Edificio Nuestra Señora del Carmen
from €82,000
L'Alfás del Pi · 1 - 3 bed
THE COMM Senior Living
from €149,000
Algorfa · 1 - 3 bed
La Vista Algorfa
from €158,202
Torrevieja · 0 bed
Apartments Palangre Beach
from €160,000
Hondón de las Nieves · 1 - 3 bed
Edificio Cierna
from €175,000
Hondón de las Nieves · 2 - 3 bed
Vineyard Views
from €185,000
