Research guide

The Grandline Marousi Review: SECLAND Off-Plan Due Diligence

The Grandline Marousi off-plan review: SECLAND from €300K list price vs €800K Attica GV floor. Unit sizes 48 to 224m², Q4 2026, eligibility gaps explained.

By Maksim, Founder, Greek Invest · Updated August 21, 2026 · 9 min read

Render of The Grandline apartment building by SECLAND

Quick answer: The Grandline is a fourteen-unit SECLAND scheme in Marousi, north Athens, marketed from about €300,000 with typologies running from roughly 48 m² floor apartments to garden residences near 224 m². Marousi is Attica, so a Golden Visa file needs €800,000 on one deed and 120 square metres of certified main usable area. The consequence is that the Golden Visa line runs horizontally through this building: most stacks fail one test or both, and only the largest typology can pass either. This is a reading of public material, not a valuation and not a recommendation.

SECLAND does not pay Greek Invest and we sell nothing in this building. It is reviewed here because a from-price and a residency threshold are routinely read as the same number, and this building is the clearest example on the site of why they are not.

The Golden Visa line runs horizontally through this building

Most schemes qualify or they do not. The Grandline does both, and which one applies depends on which floor a unit sits on.

SECLAND’s typologies span roughly 48 square metres to 224 square metres inside a single fourteen-unit building. The Attica threshold is €800,000 on one deed with 120 square metres of certified main usable area. Put those together and the building divides:

TypologyApproximate enclosed areaAgainst the 120 m² testAgainst the €800,000 test
Floor apartments, 1st to 2nd~58 m²FailsFails at the from-price band
Larger floor stacksup to ~162 m²Can pass if certifiedDepends entirely on the quoted deed price
Penthouse~58 m² enclosed plus large terracesFails: terraces are excludedPriced as a premium unit regardless
Garden residences, ground~224 m²Passes comfortably if certifiedOnly if the deed reaches €800,000

The penthouse is the instructive line. It is the most expensive kind of unit in most buildings and it is the one least likely to qualify here, because what makes it expensive is outdoor area and what the certificate counts is enclosed area. A buyer who assumes the top of the price list is the safest route to a permit has the logic exactly backwards in this building.

A from-price of €300,000 is accurate marketing and irrelevant to a residency file

SECLAND markets The Grandline from about €300,000. That figure is not misleading about the building; it is true of the small typologies. It is misleading only if a reader carries it into a Golden Visa question, where it has no bearing at all.

The threshold is tested on the notarial consideration recorded on one deed. €300,000 is not €800,000 and no combination of units closes the gap: two adjoining apartments cannot be added together to reach either the price or the area, because the rule is one property on one title. A buyer at the from-price is buying a north Athens apartment, which may be an entirely sensible purchase, and is not buying a route to residence.

This is the most common misreading on developer material anywhere in Attica, and it is worth being explicit that it is a reading error rather than a marketing trick. The Golden Visa property tiers page sets out how the threshold is actually assessed.

What Marousi is, and what it is not

Marousi is north Athens: corporate headquarters, the Olympic complex, Metro Line 3, established residential streets and international schools within reach. It is not central Athens and it is not the Riviera, and it does not price like either.

For a Golden Visa asset the relevant characteristic is the tenant. Marousi lets to professionals and to families who need the schools and the Metro, on twelve-month terms, all year, and twelve-month terms are the only letting a qualifying deed may carry, since short-term letting of that deed is prohibited for the life of the permit. Unlike central districts, Marousi never depended on tourist letting, so the prohibition removes an income the district was not structured around in the first place.

What Marousi does not offer is the resale depth of the centre. The buyer pool for a north-suburb apartment is real and stable and narrower than Kolonaki’s, which matters at exit rather than at purchase.

Three sibling schemes, one price signal, and much less to check

Alongside this building SECLAND sells The Regal, Olympia Living and Heya Residence, and the four share one number: a price-from signal near €250,000 to €300,000. Read against the €800,000 Attica floor, that number is a statement about who the buyer is, not a discount on the permit.

The Regal is worth naming because so little about it is checkable. SECLAND publishes no municipality, no unit count, no typology sizes and no delivery quarter for it, which means neither Golden Visa test can be applied to it at all from public material. That is not an accusation of anything; it is the reason The Grandline, with a published typology table, is the scheme in this portfolio a buyer can actually assess. Ask for the building permit number and the horizontal-property table for any of the four before treating a price-from figure as a price.

The documents that settle eligibility here

Because this building’s answer differs by unit, the due diligence is unit-level and document-led:

  1. The horizontal-property table (πίνακας οριζόντιων ιδιοκτησιών), which states each unit’s area and its share of the common parts.
  2. A certified enclosed area for the specific unit, referenced to the Electronic Building Identity, with balconies, terraces, storage and parking itemised separately: the 120 m² rule explains why that separation is the whole test.
  3. A written deed price for that unit, not a band and not a from-price.
  4. Confirmation that it is one title, since a garden residence sold with a separate storage title is two properties.
  5. The tax treatment: 24% VAT as a first delivery or 3.09% transfer tax, confirmed by your own lawyer, which on an €800,000 deed is a difference of well over €150,000.
  6. Stage-payment security, because Greek off-plan practice provides none by default, and a Q4 2026 delivery still leaves instalments exposed.

The horizontal line splits the resale market too

The eligibility line running through this building does not disappear once you own. It reappears at resale, because the sub-threshold units and the qualifying ones sell to different people.

A 48 square metre unit at a list price well under the Attica floor competes for Greek owner-occupiers and domestic investors in a deep, liquid, price-sensitive market. A unit that clears €800,000 on one deed and certifies 120 square metres competes for a much smaller pool of foreign residency buyers, and that pool’s size is set by policy rather than by the Athens market. Price the two halves of this building as two different assets, because on exit that is what they are.

Who this building suits

A buyer who wants a north Athens apartment and is choosing on the apartment. The from-price typologies are priced for that buyer and the location supports them.

A Golden Visa buyer should approach the same building from the opposite end and with a specific unit in mind: the ground-floor garden residences, at a deed price that reaches €800,000, with the enclosed area certified in advance. That is a narrow target inside a fourteen-unit scheme, and a buyer who cannot secure it should compare against schemes where the price test cannot fail, the Athens €800K areas guide maps where that budget goes further on size.

Next steps: how the Attica threshold is actually assessed · what €800,000 buys elsewhere in Athens.

Frequently Asked Questions

SECLAND marketing lists The Grandline from approximately €300,000 on its project page reviewed in June 2026. That entry signal typically corresponds to smaller floor-apartment typologies near 58 square metres of internal space. It is not, by itself, a Golden Visa qualifying price for Attica, the programme requires €800,000 minimum in Marousi under Law 5100/2024.

Marousi is inside the Attica €800,000 Golden Visa zone. Qualification requires one residential deed, minimum €800,000 consideration, and at least 120 square metres of main usable area. SECLAND garden residences marketed near 224 square metres internal may clear the size test if certified, but still must clear the price floor. Typical 58 square metre floor units fail both size and price tests for standard GV tiers.

SECLAND specifies fourteen units across four floors, with typologies ranging from roughly 48 to 162 square metres in marketing materials and garden residences near 224 square metres internal on the ground level. Penthouse marketing adds substantial terrace area that does not count toward Golden Visa usable metres.

SECLAND lists estimated delivery in the fourth quarter of 2026. North Athens boutique builds can hit that window if permits are already issued, but buyers need contractual completion dates, delay penalties, and completion-certificate milestones in the preliminary agreement, not website estimates alone.

Marketing highlights include energy class A+ construction, smart-home systems, photovoltaic panels, underground parking, EV charging, natural gas infrastructure, underfloor heating, landscaped communal garden, and a penthouse private pool. Amenities support owner-occupier appeal but do not substitute for title, usable-area, and price compliance on Golden Visa filings.

Yes. SECLAND positions the project steps from Golden Hall shopping centre in Marousi, north Athens, with access to suburban rail and metro nodes serving the Olympic Athletic Center area. Location suits owner-occupiers and long-term tenants tied to corporate offices and retail employment, not short-term tourist letting on a Golden Visa asset.

Primary risks include confusing list-price-from marketing with Golden Visa eligibility, assuming terrace or garden area counts toward 120 square metres, unsecured off-plan stage payments, and buying a 58 square metre unit while intending to file a Golden Visa application. Independent engineer certification and lawyer review of the preliminary agreement are mandatory before deposits.

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