Site report for a smash burger fast-casual concept, prepared 16 October 2026 from premises on the market and location data.

Six kitchens ready to smash in Madrid and Barcelona

We screened 2,296 restaurant premises of 80–250 m² for rent for the one thing a smash burger cannot open without, a working smoke outlet, and then for a young, evening-and-weekend crowd. Viladomat in Sant Antoni leads clearly; Madrid’s three options sit within three points of each other.

  1. 1
    Viladomat, Sant Antoni210 m² corner, C3 licence, €2,900 + key money
    87/100
  2. 2
    Pradillo, Prosperidad160 m² operating restaurant, €2,303
    78/100
  3. 3
    Manuel Becerra200 m² with loading, €3,950
    77/100
  4. 4
    Sagasta, Glorieta de Bilbao186 m² nightlife edge, €5,500
    75/100
  5. 5
    Londres, Eixample Esquerra133 m² turnkey, C3, €2,800
    73/100
  6. 6
    Santa Caterina, Born142 m² glazed corner, €2,500
    71/100

The recommendation

Burgers are one of the fastest-growing formats in Spanish organised dining, with close to 2,800 burger-led chain restaurants operating by March 2026, and the smash style has a following of its own: in a 2024 delivery-platform survey, 30% of Spaniards said they prefer a smash burger to a classic one.

Restaurant-ready premises are plentiful but not cheap in Madrid. The screen returned 692 matches there and 1,604 in Barcelona, with a median ask of €3,000 a month in Madrid and €1,995 in Barcelona. Almost every good option is a business transfer, so key money is the real entry cost.

In Barcelona, take Viladomat in Sant Antoni: the deepest young catchment, a C3 licence that allows late trading, a corner, and the lowest rent per m² on the list. In Madrid, Pradillo and Manuel Becerra are the economic picks, the first an operating restaurant with a terrace and the second the largest delivery catchment of the six. Sagasta at Glorieta de Bilbao is the late-night flagship if the brand needs one, at twice the rent per m².

2,296
restaurant-ready premises of 80–250 m² for rent in Madrid and Barcelona
€3,000 · €1,995
median monthly asking rent for that size, Madrid and Barcelona
23–32%
of each shortlisted site’s footfall falls between 7 pm and 1 am
€295,000
the highest stated key money on the list, at Viladomat

The smash burger sweet spot

A smash burger kitchen is simple but unforgiving: it needs a griddle line with serious extraction, a licence that already allows cooking, and a young crowd that eats late and orders in.

What the format needs

RequirementWhy
80–200 m² with room for a flat-top line and 30–70 coversThroughput at the griddle sets capacity, not seats
A working smoke outlet to roof levelWithout it there is no smash; adding one is often impossible in a residential block
Restaurant licence in force: bar-restaurante in Madrid, C3 in BarcelonaTransferring a licence is faster and surer than a new application
Corner or at least 5 m of frontageThe queue and the window drive impulse and social posts
Evening and weekend footfallBurgers peak at dinner, late night and weekends
A deep drive-time catchmentDelivery is a large share of a burger brand’s orders

The rules we screened with

  1. SizeStreet level, kitchen plus 30–70 covers
    80–250 m²
  2. Smoke outletStated in the listing
    required
  3. LicenceFood service with kitchen, in force
    required
  4. Young demandResidents aged 15–29 within a 10-minute walk
    ≥ 15%
  5. Evening tradeShare of footfall 19–01 h
    ≥ 23%
  6. Delivery reachResidents within a 10-minute drive
    ≥ 400,000
  7. RentAsking rent per month
    ≤ €7,000

Thresholds are our working assumptions for a fast-casual smash concept; the operator’s own delivery share and ticket should refine them.

Madrid: where the 692 matches are, with median rent per m²

Lavapiés
58 · €22.7
Malasaña
57 · €22.9
Chueca
41 · €30.0
Gaztambide
29 · €17.4
Goya
27 · €30.0
Cuatro Caminos
26 · €20.7

Barcelona: where the 1,604 matches are, with median rent per m²

Antiga Esquerra Eixample
179 · €18.4
Vila de Gràcia
112 · €13.8
Sant Gervasi–Galvany
100 · €17.5
Nova Esquerra Eixample
98 · €13.7
El Raval
95 · €17.3
Sant Antoni
78 · €15.0

Barcelona has more than twice the restaurant-ready supply at about two-thirds of Madrid’s rent: the median ask for 80–250 m² is €1,995 a month against €3,000.

The smash burger customer

Smash burgers sell to the young. The format grew with delivery after the pandemic and lives on social media, where a crust, a queue and a corner window travel further than any advert. What wins the second visit is consistency: the same burger at 1 am on Saturday as at lunch on Tuesday.

~2,800
burger-led chain restaurants operating in Spain, March 2026
30%
of Spaniards say they prefer a smash to a classic burger
23–32%
of footfall falls between 7 pm and 1 am at the shortlisted sites
15–29
the core age band we screened on

The customer, in one line

An 18-to-34-year-old who finds the place on social media, eats in after 9 pm on a Friday, orders delivery on Sunday night, and comes back for consistency rather than novelty.

Residents aged 15–29 within a 10-minute walk

Viladomat7,255 (18%)Manuel Becerra5,782 (17%)Pradillo5,450 (15%)Londres5,370 (20%)Santa Caterina4,955 (20%)Sagasta4,521 (19%)
Count and share of all residents. Viladomat has the deepest young catchment of the six by a margin of 1,500 people.
LensClassic burger restaurantSmash fast-casual
Size200–400 m²80–200 m²
KitchenGrill or broilerFlat-top griddle, heavy extraction
ServiceTable serviceCounter, takeaway and delivery
PeakDinnerDinner, late night, weekend delivery
Best siteMalls, high streetsYoung neighbourhoods, nightlife edges

Shortlist and scoring

The best matches from both screens, each with a smoke outlet and a food licence stated, scored for a fast-casual smash format.

SiteKitchen & licence
/20
Young demand
/25
Evening & weekend
/15
Delivery reach
/10
Competition
/10
Cost
/10
Locals
/10
TotalRent€/m²Evening
1 ViladomatSant Antoni, Barcelona182312998887€2,90013.827%
2 PradilloProsperidad, Madrid18159999978€2,30314.428%
3 Manuel BecerraFuente del Berro, Madrid171891077977€3,95019.828%
4 SagastaGlorieta de Bilbao, Madrid171815864775€5,50029.632%
5 LondresEixample Esquerra, Barcelona1718101047773€2,80021.128%
6 Santa CaterinaBorn, Barcelona151713769471€2,50017.623%

Kitchen and licence 20 (smoke outlet, licence, size, level, frontage), young demand 25 (residents aged 15–29, count and share), evening and weekend 15 (share of footfall 19–01 h and weekend change), delivery reach 10 (residents within a 10-minute drive), competition 10 (restaurants and fast food within 5 minutes), cost 10 (rent per m² and key money), locals 10 (share of footfall that is not visitors). Kitchen fit and cost are analyst judgements from listing text.

Site dossiers

Each dossier gives the case, the figures and what to check before signing.

Carrer de Viladomat, Sant Antoni, Barcelona
Listing photo
Rent
€2,900€13.8/m²
Key money
€295,000
Area
210 m²2 floors
Licence
C3 mixed
Residents 10′
40,340
Aged 15–29
7,25518%
Evening share
27%
Fast food 5′
1
1

Carrer de Viladomat, Sant Antoni, Barcelona

Corner restaurant with C3 mixed licence (restaurant and late-night), 210 m² on two floors, turnkey, terrace for 12, 10-year lease
Lead: Barcelona

The strongest case on the list. Forty thousand people live within a ten-minute walk, the deepest catchment of the six, and 7,300 of them are 15–29. Footfall holds up at weekends (−10%) and only one fast-food outlet trades within five minutes. The unit is a turnkey corner with smoke extraction, air conditioning, step-free access and a mixed C3 licence that covers late-night trade, at the lowest rent per m² in the screen.

The catch is the €295,000 transfer fee, which buys the licence, the fit-out and a ten-year lease.

Key money€295,000: compare with fit-out cost plus 6–12 months to obtain a new C3 licence
KitchenTwo floors: confirm the griddle can sit on the extraction run and its capacity
HoursConfirm the late-night hours the C3 mixed licence allows
Calle de Pradillo, Prosperidad, Madrid
Listing photo
Rent
€2,303€14.4/m²
Area
160 m²
Frontage
12 m
Licence
Definitive
Residents 10′
36,081
Aged 15–29
5,45015%
Evening share
28%
Restaurants 5′
10
2

Calle de Pradillo, Prosperidad, Madrid

Operating bar-restaurant, 160 m², 72 covers plus terrace for 24, definitive licence, open 8:00–00:00
Lead: Madrid economics

The cheapest restaurant-ready unit in Madrid’s shortlist and a working business: smoke outlet, 72 covers, a terrace, twelve metres of frontage, and nearby universities and offices. Thirty-six thousand people live within ten minutes and the street is not crowded with restaurants. The young share is the lowest of the six at 15%, and weekends are 28% quieter.

TransferThe transfer price is not stated; the seller claims €70,000 a year in profit, ask for accounts
HoursThe licence runs to midnight; late-night trade would need a change
ConceptA large dining room suits a sit-down smash concept more than a counter
Plaza de Manuel Becerra, Fuente del Berro, Madrid
Listing photo
Rent
€3,950€19.8/m²
Area
200 m²
Frontage
6 m
Licence
Bar-restaurante
Residents 10′
34,050
10′ drive
723,805largest
Aged 15–29
5,78217%
Evening share
28%
3

Plaza de Manuel Becerra, Fuente del Berro, Madrid

200 m² bar-restaurant, smoke outlet, 6 m frontage, loading access, business transfer
Delivery hub

A major transport node on the edge of the Salamanca district, with a footfall index above 300,000 and the largest ten-minute drive-time catchment of the six, which makes it the natural delivery kitchen for central-east Madrid. The unit has loading access, useful for a high-volume delivery operation. Weekends are 28% quieter than weekdays.

CompetitionNo restaurants are mapped within five minutes, which looks like a mapping gap at the plaza; count on site
DeliveryCheck rider pick-up space and stopping rules on the plaza
Key moneyNot stated in the listing
Calle de Sagasta, Glorieta de Bilbao, Madrid
Listing photo
Rent
€5,500€29.6/m²
Area
186 m²120 at street
Frontage
5 m
Licence
Bar-restaurante
Footfall index
303,620
Evening share
32%highest
Weekend
+15%
Transit 5′
12 stops
4

Calle de Sagasta, Glorieta de Bilbao, Madrid

186 m² open-plan bar-restaurant, 3.5 m ceilings, smoke outlet, between Malasaña, Chueca and Chamberí
Flagship option

The best late-night address of the six: a third of footfall arrives after 7 pm, weekends are busier than weekdays, and twelve transit stops sit within five minutes. It is the place to be seen by Madrid’s young crowd, at twice the rent per m² of the economic picks.

ListingsA second listing at Sagasta 12 asks €6,465 for 186 m² with 120 m² at street level; reconcile
LayoutOnly 120 m² at street level: fit the griddle line and counter there
CostAt €29.6/m² the unit needs late-night volume to pay
Carrer de Londres, Eixample Esquerra, Barcelona
Listing photo
Rent
€2,800€21.1/m²
Key money
€170,000
Area
133 m²text says 250
Licence
C3
Residents 10′
26,226
Aged 15–29
5,37020%
Evening share
28%
Restaurants 5′
91
5

Carrer de Londres, Eixample Esquerra, Barcelona

Turnkey restaurant with C3 licence and smoke outlet, 70 covers plus terrace, key money €170,000
Strong, crowded

A burger-ready unit on a main street near the Eixample’s late-night strip, with a young share of 20% and a deep drive-time catchment. The listing itself names a burger restaurant as a suitable use. Ninety-one restaurants within five minutes make it the most contested site on the list.

AreaThe data says 133 m², the listing text 250 m²; measure on site
CompetitionAudit burger operators within 500 m
Key money€170,000 for the business and licence
Santa Caterina, Born, Barcelona
Listing photo
Rent
€2,500€17.6/m²
Area
142 m²2 floors
Licence
C3
Footfall index
447,395
Weekend
+29%
Visitors
42%
Aged 15–29
4,95520%
Fast food 5′
8
6

Santa Caterina, Born, Barcelona

142 m² corner on two floors, glazed façade, C3 licence, smoke outlet, 33 covers
Visitor-led

Heavy footfall that peaks at weekends, by the Santa Caterina market, but 42% of it is from more than 50 km away. Good for a visible second Barcelona site once the brand has a local base; weak as the first store.

ListingsA second listing on the plaza shows the same size and rent with a terrace permit; likely the same unit
KitchenTwo floors and 33 covers: check griddle placement
MixPlan for tourist peaks and quieter weekday evenings

Risks and next steps

Risks and assumptions

  • Most options are business transfers; key money is stated only at Viladomat (€295,000) and Londres (€170,000).
  • Smoke outlet capacity is unknown: a griddle needs more extraction than many bar kitchens have.
  • Barcelona restricts new food licences in parts of the centre through district use plans; check before relying on a new C3.
  • Two Madrid and one Barcelona premises appear in two listings each, with different figures to reconcile.
  • Footfall and demographics are 2024 modelled data; restaurant counts are OpenStreetMap places, under-mapped at Manuel Becerra.
  • Excluded: a Gòtic corner with 1.07 million footfall but 68% visitors, and a Malasaña listing whose text describes another location.

Next steps

  1. Visit Viladomat, Pradillo and Manuel Becerra on a Friday after 9 pm and a Sunday at 8 pm.
  2. Ask for transfer prices, accounts and licence certificates for all six.
  3. Have a kitchen engineer check extraction capacity for a griddle line at the top three.
  4. Model delivery revenue for Manuel Becerra against its 724,000-resident drive catchment.
  5. Run a second Madrid screen in Lavapiés and Malasaña, the densest restaurant supply.

Sources and method

Premises from screens of listings on the market on 16 October 2026: Madrid and Barcelona, 80–250 m², for rent, street level, with a smoke outlet and food licence sought. Footfall: Location Intelligence 2024 index within a 5-minute walk. Residents and income: Location Intelligence and MB Research 2024 within a 10-minute walk and drive. Restaurants, fast food and transit: OpenStreetMap places. Market facts:

Site report for a smash burger fast-casual concept, Madrid and Barcelona, 16 October 2026. Figures are indicative and subject to site visits and due diligence.