Basement renovation in Sant Joan Despí.
We turn the basement of your house in Sant Joan Despí into a dry, ventilated space, with lighting and finishes designed around the way you want to use it.
5/5 · Google reviewsWhen does a basement need renovating?
- Rising damp from the floor
- Salt deposits on the walls
- Water after heavy rain
- Dark space that never gets used
What the basement renovation includes
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Internal waterproofing
A damp barrier on the walls and slab, applied from the inside.
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Drainage and pumping
Perimeter channels and a sump pump where the water calls for it.
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Mechanical ventilation
Forced extraction to refresh the air and prevent condensation.
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Insulation and finishes
Lined walls and an insulated floor for a dry, comfortable basement.
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Lighting and electrics
New circuits and lighting designed for a space without windows.
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Fitted out for its use
Wine cellar, gym, games room or workshop, each with the right finishes.
Basements in Sant Joan Despí: where the damp comes from
In areas such as Centre, La Mossota and Residencial Sant Joan and on their outskirts, many terraced and detached houses from the 1980s and 90s have a basement used only as a garage or store. We convert part of it into a gym, den or workshop and, where winters are cold, insulate floor and walls for year-round use.
In basements in areas such as Pla del Vent, Torreblanca and Les Begudes we start by measuring moisture in the walls and slab to see whether water comes from the ground, a leak or condensation. We then apply waterproof mortar on the inner face and form a fillet where wall meets floor.
We go down to the basement with you, measure damp and headroom and give you a detailed written quote; a site manager coordinates every stage. We also renovate basements in nearby areas: Cornellà de Llobregat, Sant Feliu de Llobregat and Esplugues de Llobregat.
Get a quote for your basement
Frequently asked questions
01Basement renovation in Sant Joan Despí: which areas do you cover?
We do this work in Sant Joan Despí, in areas such as Centre, La Mossota, Residencial Sant Joan, Les Planes, Pla del Vent, Torreblanca and Les Begudes, and also nearby: Cornellà de Llobregat, Sant Feliu de Llobregat and Esplugues de Llobregat. Before starting we visit the property and prepare a detailed written quote.
02Does the damp need fixing before the basement is fitted out?
Always. First we find out whether the water comes from the ground, a leak or condensation, and apply the right solution. Skip that step and the finishes will end up damaged.
03Can a basement be used as a bedroom?
For habitable use the CTE requires daylight, ventilation and a minimum ceiling height, and local planning must allow it. We check this on the visit; if it isn't possible, we suggest uses such as a gym, wine cellar or play area.
About us
High-quality renovations in Sant Joan Despí, with deadlines that are met.
We renovate flats and houses with clear planning, close follow-up and attention to every detail.
- Initial visit with no obligation
- Detailed and accurate estimate
- Follow-up until the work is finished
We work in Sant Joan Despí and the surrounding area
Reformas Romero-Vera is a renovation company working in Sant Joan Despí (Baix Llobregat, province of Barcelona) and specialising in basement renovation. We do this work in flats, houses and shops in every neighbourhood, with a prior visit and a detailed estimate with no obligation.
- Company
- Reformas Romero-Vera
- Service
- Basement renovation
- Area
- Sant Joan Despí · Baix Llobregat, province of Barcelona
- Postcode
- 08970
- Location
- 10 km west of Barcelona
- Visit and estimate
- No obligation, in writing
- Phone
- +34 658 09 40 37 · WhatsApp +34 662 04 02 34
We also work in Cornellà de Llobregat, Sant Feliu de Llobregat, Esplugues de Llobregat, Sant Boi de Llobregat and Sant Just Desvern.
Neighbourhoods
- Centre
- La Mossota
- Residencial Sant Joan
- Les Planes
- Pla del Vent
- Torreblanca
- Les Begudes
Main streets and avenues
- Carrer Major
- Avinguda de Barcelona
- Avinguda del Baix Llobregat
- Avinguda de les Flors
- Rambla de Josep Maria Jujol
- Passeig del Canal
- Carrer de Jacint Verdaguer
- Carrer de Francesc Macià
- Carrer de la Creu d'en Muntaner
- Carrer d'Àngel Guimerà
Want to get real use out of your basement?
Tell us on WhatsApp what you would like to use it for or get a quote, and we will come and take a look.