Barcelona · Sant Martí
Flats to rent in el Besòs i el Maresme
Leases signed in el Besòs i el Maresme in 2025 averaged €756 a month, for flats of about 63 m². Here are the numbers, and how to find a flat before everyone else.
How rents have moved in el Besòs i el Maresme
Average signed monthly rent, Incasòl · 2014–2025
What a flat costs by size
Estimated from the 2025 signed price per m². Renovated flats or ones with a terrace usually cost more.
How to find a flat here without wasting your time
- Every new flat, scoredWe compare the price with what similar flats nearby rent for, and check the photos and the agency's Google rating.
- No weak listingsLow scorers never reach you, so your list stays short and only holds flats worth a call.
- The agency's direct numberYou ring the office, not a portal call centre. And you hear about each new flat the moment it lands.
Watch el Besòs i el Maresme
Get every new flat in the area scored, with the agency's direct number. Free for 3 days, no card.
Watch el Besòs i el MaresmeQuestions
How much does it cost to rent in el Besòs i el Maresme?
According to rental deposits lodged with Incasòl, leases signed in el Besòs i el Maresme in 2025 averaged €756 a month, €13.16 per m², for flats of about 63 m².
Are rents rising in el Besòs i el Maresme?
The average signed rent changed by −10.2% in 2025 compared with the year before.
Are asking rents higher than signed rents?
Usually, yes. In Sant Martí, flats listed in the last 60 days ask a median of €18.30 per m², 39.0% more than was signed in 2025.
How many new flats come up in the area?
This week Llavai checked 16 new agency flats in Sant Martí.
How do I find a flat in el Besòs i el Maresme before anyone else?
Llavai watches the portals for you, scores every new flat in el Besòs i el Maresme and alerts you straight away with the agency's direct number.
Other neighbourhoods in Sant Martí
Signed rent: Incasòl, rental deposits lodged for new leases (2025, published data). Asking rents and new flats: agency listings checked by Llavai. Size estimates are a guide only. Updated 18 October 2026