A full home renovation starts before choosing tiles. First describe what the property needs: a different layout, renewed installations, more storage or improved access. Giving companies the same brief makes their proposals easier to compare.
This revision removes the previous “top 10”, the unsupported claim that hundreds of reviews were analysed and an unsubstantiated price table. The examples below describe published services; they do not guarantee workmanship, financial reliability or completion dates.
Two companies to investigate for your project
Arquitectos Madrid 2.0 describes its work as designing and carrying out full home renovations, coordinating architecture, interiors and construction. IASA Design lists full renovations, kitchens, bathrooms, offices and interior design among its services.
Ask for projects comparable to yours and establish who will design the work, appoint trades and supervise construction. Updating a kitchen and changing an entire layout can require different professional input and scope.
A quotation you can compare
Madrid’s regional consumer guidance explains that a quotation should identify the business, work, materials, labour, tax-inclusive total, approximate dates and warranty. It also advises keeping quotations and invoices. Consult the full guide for the requirements and complaint options.
For your comparison sheet, record what each offer includes and excludes: waste removal, protection of communal areas, furniture, appliances and final cleaning. Where a material is still to be chosen, ask for that uncertainty to be clearly identified. A lower total may simply cover less work.
Resolve permits and VAT before starting
Madrid City Council distinguishes work requiring a licence, a responsible declaration and work outside those intervention procedures. The correct route depends on the proposed work and property. Ask the professional to identify the applicable case and who prepares the paperwork. Do not assume any interior renovation can begin without checking.
The Spanish Tax Agency states that renovation and repair work generally carries 21% VAT. The reduced 10% rate has conditions: a private individual using the home privately, at least two years since construction or rehabilitation, and supplied materials costing no more than 40% of the taxable amount. Rental or business use, even partial, does not satisfy that private-use condition. Confirm how the rules apply with the contractor or a tax adviser.
Keep decisions traceable during construction
Choose a main contact and agree how decisions, material substitutions and extra costs will be recorded. Arrange checks at useful stages: before installations are concealed, when finishes are fitted and at handover. Keep photographs and a written list of unfinished details. Informal conversations are easy to remember differently.
What will it cost, and how long will it take?
Homes of the same floor area do not necessarily have comparable renovation costs. Existing condition, access, scope and materials affect both price and timing. Request a measured, project-specific proposal. For the earlier selection stage, see how to choose a renovation company in Madrid.
Sources and review
- Arquitectos Madrid 2.0
- IASA Design
- Comunidad de Madrid: reformas
- Agencia Tributaria: IVA
- Ayuntamiento de Madrid: declaración responsable
Editorial revision and sources checked: 24 September 2026. Illustrative archive image; it does not document a visit or the premises or work of the businesses mentioned.
