When someone in the family needs a wheelchair-accessible bathroom, the first thing to understand is that it’s not just about “putting up grab bars”. A proper adaptation requires planning, compliance with building regulations, and in most cases, work that affects the entire bathroom layout.
We’ve been doing these projects in Valencia for years. What follows is what we know from experience, not what the catalogue says.
The regulations: CTE DB-SUA
Spain’s Technical Building Code (CTE), in its basic document DB-SUA (Safety and Accessibility), is the reference standard for accessible bathrooms.
Minimum requirements for an accessible bathroom with lateral transfer:
- 1.50 m diameter turning circle free of obstacles up to 70 cm height. This is what most constrains the layout.
- Door with 80 cm minimum clear width, preferably sliding or outward-opening.
- Toilet: seat height 45-50 cm, transfer space of 80 cm minimum on the accessible side.
- Washbasin: wall-hung, top edge at 80-85 cm, with 70 cm clear height and 25 cm depth underneath for frontal wheelchair approach.
- Shower: zero threshold, minimum 90 × 120 cm, transfer space of 80 cm.
- Grab bars: at toilet and shower, at 70-75 cm height.
In practice: a 2.20 × 2.20 m bathroom is the minimum viable to meet regulations. In 1970-80s flats in Valencia where bathrooms are sometimes 1.80 × 2.00 m, a full adaptation may require expanding the space, which can mean major building work.
Types of grab bars
Fixed L-shaped bars (one vertical, one horizontal): strongest option, wall-anchored. Require solid walls. In plasterboard walls, specific anchor fixings are needed. Price installed: 80-200 € per set.
Fold-down bars (fold up against the wall when not in use): the best solution in shared bathrooms with limited space. Lowered for transfer, raised the rest of the time. Price installed: 120-300 € each.
Fold-down bars with floor support: have a support leg, allowing installation on walls that can’t bear the load.
Brands we use: Geberit has quality bars with finishes that don’t look clinical. Pressalit and Hewi are German references available in Spain with modular systems.
Zero-threshold shower: the most important intervention
Removing the bath and creating a level-access shower is the most significant change in most of these projects. The floor must be completely flat, with minimal slope (max 2%) towards the drain, and the transition with the rest of the bathroom must be continuous or have a ramp of less than 1 cm.
Linear drain rather than a shower tray: we recommend a linear drainage channel placed at one side of the shower zone. It allows a larger continuous floor surface and manages water better. Brands: Geberit, ACO, Viega. Linear drains from 60-180 € (without installation).
The shower floor must be anti-slip class C minimum (Rd > 0.6 per UNE-ENV 12633). We always specify tiles with verified anti-slip certification, not just ones labelled “anti-slip” in the catalogue.
A fold-down shower seat is another key element: fixed to the wall at 45-50 cm height, holds minimum 150 kg, folds away when not in use. Price installed: 150-350 €.
Washbasin: height and clear space underneath
A wall-hung washbasin is practically mandatory. Pedestal or undercounter units don’t allow frontal wheelchair approach.
Key features:
- Top edge: 80-85 cm
- Depth: enough for the user to reach the tap (minimum 55 cm)
- Trap: bottle trap offset to the back, flexible pipe wrapped in insulation to prevent burns from hot pipe contact
Grohe or Hansgrohe have accessibility-designed tap ranges from 80-200 €.
Real renovation costs
| Intervention | Approximate cost |
|---|---|
| Grab bars (2 units installed) | 300-600 € |
| Fold-down shower seat | 150-350 € |
| Remove bath, create zero-threshold shower | 800-2,000 € |
| Wall-hung washbasin + accessible trap + tap | 350-700 € |
| Sliding door (replacing swing door) | 400-900 € |
| Tilted mirror | 80-200 € |
| Full accessibility renovation (existing bathroom) | 3,500-8,000 € |
| Renovation + bathroom expansion | 8,000-15,000 € |
Available grants
Dependency assessment: if there is a recognised dependency grade, accessibility renovations may be partially or fully covered by the Valencian Government.
Community building accessibility grants: the State Housing Plan covers up to 75% of costs for accessibility works in residential buildings. The owner can request that the community apply for the grant.
Income tax deduction for accessibility: there is a specific deduction for adaptation works for people with disabilities. See our article on tax deductions for bath-to-shower conversion.
Before pricing the work, we always recommend consulting with a social worker to find out what grants may be available. In some cases, the real cost to the family is much lower than it first appears.
Have a bathroom that needs adapting? Get a quote or find out how we work.
