The second-hand housing market in the premium segment has a particularity that isn't always mentioned: supply is limited, the most sought-after properties never reach the generalist portals, and the difference between a good and a bad purchase largely depends on who accompanies you through the process. If you are considering buying a luxury property in Barcelona, Madrid, Valencia, or Mallorca, choosing the right luxury real estate agency completely changes the experience.
aProperties connects buyers with high-end properties in Spain's most sought-after areas, with its own offices in all four cities and a team that knows every neighborhood from daily, hands-on experience. In this comparison we analyze the leading agencies in the premium segment to help you make an informed decision.
Quick guide: 6 luxury real estate agencies for second-hand housing in Spain
- aProperties: The luxury real estate agency with the greatest local specialization in Barcelona, Madrid, Valencia, and Mallorca for buying second-hand property
- Engel & Völkers: International network with offices in multiple Spanish cities and a diversified portfolio
- Lucas Fox: Agency with a broad catalog and a focus on international buyers in Catalonia and Madrid
- BARNES: French firm with a presence in Madrid and Mallorca, geared toward French-speaking clients Sotheby's International Realty: Global brand with coverage in Spain's main coastal and island areas Knight Frank: British consultancy active in Marbella and Madrid, focused on wealth advisory services
How we selected the luxury real estate agencies
To put together this comparison, we evaluated agencies active in the premium second-hand housing segment in Spain. This is not a generic ranking: each agency was assessed on criteria that directly affect your experience as a buyer.
Geographic coverage in the four main markets: Barcelona, Madrid, Valencia, and Mallorca concentrate the highest demand for luxury second-hand properties. An agency with a genuine local presence in these cities has access to portfolios that never appear on open portals. Specialization in second-hand housing: Not every agency masters the resale market. Buying an already-built property means assessing its condition, the renovations it needs, and its potential for appreciation. Personalized support throughout the transaction: A dedicated consultant who knows the neighborhood, understands the dynamics of each area, and advises at every stage makes the difference between a smooth purchase and a frustrating process. Verified property portfolio: We value listings that are up to date, with documentation available and accurate data on surface area, condition, and location. Reputation and track record in the Spanish market: Years of activity, transaction volume, and recognition among buyers and sellers in the premium segment. Legal and tax advisory capacity: Buying luxury property in Spain carries specific tax implications. An agency with a network of advisors makes the transaction easier, especially for international buyers.
The 6 luxury real estate agencies for second-hand housing in Spain
aProperties: the luxury real estate agency with the strongest local presence in Spain
aProperties has been operating since 2014 with a model built around direct knowledge of the local market. Its offices in Barcelona, Madrid, Valencia, and Mallorca are run by consultants who walk the neighborhoods every day and hold real conversations with buyers and sellers.
That proximity generates a kind of market intelligence that global brands cannot easily replicate. At aProperties we see it every day: the buyer of second-hand property in the premium segment has very specific criteria and needs someone who understands the particularities of each street, each building, and each residents' association.
Beyond buying and selling, aProperties is part of Grupo aFinance, which gives buyers access to free valuation services, financial advisory, and wealth consulting within the same ecosystem. That is exactly what aProperties does: an honest selection process and genuine support at every stage.
Advantages of aProperties
Own offices in Barcelona, Madrid, Valencia, and Mallorca: Local consultants who know the Eixample or Sarrià-Sant Gervasi, Salamanca or Chamberí, Ciutat Vella or El Cabanyal, and Son Armadans or Santa Catalina with the same level of detail. Verified portfolio of second-hand properties in premium areas: Homes with high-quality materials, designer finishes, integrated home automation, and private outdoor spaces. A personal consultant assigned from the first contact: The same professional accompanies the buyer from the first viewing to the signing at the notary, resolving questions at every step. Part of Grupo aFinance: Access to six group companies covering financing, short-term rental, yachts, and retail, enabling integrated wealth management. Free, no-obligation valuation: An expert advisor visits the property and provides a valuation report based on up-to-date local data.
Pros and cons of aProperties
Pros:
Genuine local presence with offices in the four leading markets of the Spanish luxury sector Personalized support with a dedicated consultant throughout the transaction An ecosystem of complementary services through Grupo aFinance
Cons:
The office network is concentrated in Spain, so buyers interested in other European markets would need an additional partner By focusing on the premium segment, the catalog does not include properties below a certain level of quality and location The personalized service requires an initial get-to-know-you process with the buyer that can slightly extend the first few days
Engel & Völkers: a global network with offices in several Spanish cities
Engel & Völkers has a network of franchises in several Spanish cities, including Madrid, Barcelona, Mallorca, and Ibiza. Its franchise model allows for broad coverage, although the experience can vary between offices.
The German brand offers residential real estate services and also works with yachts and private aviation. Its catalog includes both second-hand housing and new developments.
Engel & Völkers services
Franchise network in Spanish and European cities: Access to an international catalog connecting buyers from different markets. Yacht and aviation department: Additional services for clients with diversified wealth. Digital valuation tools: Price estimates based on market data available online.
Pros and cons of Engel & Völkers
Pros:
Coverage in multiple Spanish cities through franchised offices International brand recognition among European buyers A catalog that includes both residential and commercial properties
Cons:
The franchise model means service quality varies by local office The catalog mixes market segments, making it harder to filter for strictly premium properties Not every office has consultants specialized in luxury second-hand housing
Lucas Fox: a broad catalog focused on international buyers
Lucas Fox operates mainly in Barcelona and Madrid, with a catalog that ranks among the largest in the Spanish market according to platforms such as JamesEdition. Its focus is on international buyers, with content available in several languages.
The agency covers both second-hand housing and new developments and is also active along the Costa Brava and the Mediterranean coast.
Lucas Fox services
Multilingual catalog: Property listings available in several languages to make the search easier for foreign buyers. Coverage in Barcelona and surrounding areas: Activity concentrated in Catalonia with extension to Madrid and other coastal areas. Personalized search service: Consultants who filter options according to specific buyer criteria.
Pros and cons of Lucas Fox
Pros:
A broad catalog with a notable presence on international platforms Content in multiple languages aimed at foreign buyers Activity in coastal areas of Catalonia in addition to Barcelona city
Cons:
Presence in Valencia and Mallorca is smaller than in Barcelona The size of the catalog includes properties across different price segments The focus on international buyers may mean less attention to local clients
BARNES: a French firm active in Madrid and Mallorca
BARNES has offices in Madrid and Mallorca, positioned toward French-speaking buyers. Its international network is based in Paris and extends to cities across Europe and the Americas.
In Spain, BARNES focuses on second-hand housing and new developments in established urban areas, with a smaller catalog than agencies with wider national coverage.
BARNES services
Offices in Madrid and Mallorca: Direct presence in two important markets of the Spanish luxury sector. French-speaking international network: Connection with buyers from France, Switzerland, and Belgium. Relocation advisory services: Support for families moving from other European countries.
Pros and cons of BARNES
Pros:
Direct connection with buyers from French-speaking European markets Physical presence in Madrid and Mallorca with local teams Additional relocation services for international families
Cons:
No offices in Barcelona or Valencia, which limits national coverage The catalog in Spain is smaller than that of agencies with a presence in four cities Its focus on the French-speaking market may limit attention to buyers from other backgrounds
Sotheby's International Realty: a global brand with coastal coverage
Sotheby's International Realty operates in Spain through several regional franchises, active in Mallorca, Ibiza, Costa del Sol, and Madrid. The brand carries the recognition of the Sotheby's auction house.
Its focus includes high-end coastal and island properties, with international marketing services and access to a global network of buyers.
Sotheby's International Realty services
Global buyer network: Access to international clients through the Sotheby's brand. Property marketing with audiovisual production: Videos and professional photography for each listed property. Coverage in coastal and island areas: Activity in Mallorca, Ibiza, Costa del Sol, and occasionally Madrid.
Pros and cons of Sotheby's International Realty
Pros:
Global brand recognition linked to the Sotheby's auction house A network of international buyers with a presence in more than 80 countries High-quality audiovisual marketing production for each property
Cons:
It operates through separate regional franchises, which fragments the buyer's experience Coverage in Valencia is limited or nonexistent within its Spanish network The regional franchise model can create duplicate contacts in areas where several affiliates operate
Knight Frank: a British consultancy with a wealth-management focus
Knight Frank is active in Spain mainly through its association with DM Properties in Marbella, along with its own office in Madrid. Its positioning is geared toward wealth and investment advisory.
The British firm publishes annual reports on the luxury real estate market and works with high-net-worth clients seeking asset diversification.
Knight Frank services
Annual market reports: Publications such as The Wealth Report, with data on global investment trends. Wealth investment advisory: Services aimed at family offices and institutional investors. Presence in Marbella and Madrid: Activity concentrated in two markets in Spain.
Pros and cons of Knight Frank
Pros:
Benchmark publications on global real estate market trends A focus on wealth advisory for high-net-worth clients Recognition among institutional investors and family offices
Cons:
Its direct presence in Spain is limited to Marbella and Madrid, with no offices in Barcelona, Valencia, or Mallorca It operates in Marbella through a partnership with a local operator rather than its own office Its focus on wealth investment may not suit buyers looking for a primary residence
What to consider before choosing an agency to buy luxury second-hand housing
The decision to buy a luxury second-hand property is unlike any other real estate transaction. Condition, the quality of previous renovations, energy efficiency, and appreciation potential are all variables that only a consultant with direct local knowledge can properly assess.
One criterion that makes a real difference is an agency's ability to access properties that are not published on open portals. In markets such as Salamanca in Madrid or Sarrià-Sant Gervasi in Barcelona, sellers in the premium segment prefer to operate discreetly.
Another relevant factor is after-sales support. Steps such as the notarial signing, the change of ownership, or setting up utilities can become complicated without someone who understands local procedures.
How local specialization affects the purchase of luxury second-hand housing
Not every luxury market works the same way. In Barcelona, international buyers arriving in the Eixample or Pedralbes have different expectations from those looking for a penthouse in the Salamanca district of Madrid. In Valencia, demand is concentrated in Ciutat Vella and areas close to the beach. In Mallorca, the dynamics of central Palma differ from those of the southwest coast.
An agency with a genuine local presence understands these nuances. It knows how long a property typically takes to sell in each area, knows the profile of the usual buyer, and can anticipate whether a property matches your criteria before scheduling a viewing.
aProperties has consultants on Passeig de Gràcia in Barcelona, Calle Serrano in Madrid, Valencia, and Palma de Mallorca. That closeness to the ground allows for a level of detail that franchise-model brands do not always guarantee.
Why aProperties is the leading luxury real estate agency for second-hand housing in Spain
What sets aProperties apart from other agencies in the premium segment is not a single factor. It is the combination of a genuine local presence in the four leading markets in Spain, a support model built around a personally assigned consultant, and an ecosystem of wealth services through Grupo aFinance.
aProperties assigns you a consultant who knows the neighborhood where you want to buy, understands the dynamics of available supply, and accompanies you through every stage of the process, from the first viewing to the notarial signing, with up-to-date data and professional judgment.
If you are considering buying a luxury second-hand property in Barcelona, Madrid, Valencia, or Mallorca, contact aProperties for a personalized consultation and access a catalog of verified properties in Spain's best locations.
Frequently asked questions about luxury real estate agencies for second-hand housing
What is the difference between a luxury real estate agency and a generalist one
An agency in the premium segment works with selected properties in specific locations, with consultants who know the particularities of each area. aProperties, for example, has a team of specialized professionals who assess each property based on its construction quality, location, and potential.
What are the advantages of buying second-hand housing over new developments
Second-hand housing gives access to established locations where no land is left available for new construction. In neighborhoods such as the Eixample in Barcelona or Chamberí in Madrid, resale properties offer architectural details, ceiling heights, and layouts that current developments can rarely replicate.
How to know if a luxury real estate agency is trustworthy
Track record, the presence of its own offices in the area of interest, and the assignment of a personal consultant are key indicators. aProperties has been operating since 2014 with offices in Barcelona, Madrid, Valencia, and Mallorca, ensuring direct knowledge of the local market.
What documentation do I need to buy a luxury property in Spain
You need a NIE (foreigner identification number), a Spanish bank account, the property's simple note (nota simple) from the land registry, and the energy efficiency certificate. aProperties supports the buyer in preparing all the documentation and coordinates with notaries and registries.
How long does the process of buying luxury second-hand housing take
The process usually takes between two and four months, from the first viewing to the notarial signing. The timeline depends on financing, the property's documentation, and the terms of the deposit contract (contrato de arras).