The short answer

Renovating a villa in Cabo Roig is most successful when the house, terraces, pool area and building services are planned as one project. The first decisions should concern the existing structure, legal and documentary position, water management, layout and total budget—not tiles and paint colours.

A substantial villa renovation may involve a complete internal strip-out, structural openings, new electrical and plumbing installations, roof and façade work, windows, kitchen and bathrooms, climate control, terraces, drainage, landscaping and pool surroundings. Because these elements affect one another, fragmented quotations from separate trades can leave important gaps.

For a wider overview of the full process, first read our complete guide to property renovation in Orihuela Costa.

A practical villa-renovation roadmap

Stage Main questions Output before moving forward
1. Property review What exists, what is authorised and what condition is it in? Survey information and risk list
2. Brief and budget How will the villa be used and what is the total investment limit? Priorities, target specification and contingency
3. Design Which layout, structural and exterior changes work together? Coordinated drawings and selections
4. Permissions Which municipal, technical or community procedures apply? Correct applications and approvals
5. Quotation Is every contractor pricing the same defined scope? Comparable proposal, inclusions and exclusions
6. Construction How will structure, services and finishes be sequenced? Controlled programme and inspection points
7. Handover Has everything been tested, documented and corrected? Usable villa, records and warranties

The sequence protects the budget. Pricing a vague concept normally produces either a very broad estimate or a low-looking proposal filled with assumptions.

1. Check the villa before redesigning it

Begin with the building that is actually present. Review roofs, terraces, façades, signs of damp, cracking, drainage, retaining walls, pool structures, electrical capacity, plumbing, waste pipes, windows, air-conditioning and previous alterations.

Collect the title documentation, a current Land Registry extract, cadastral information, available drawings, previous licences and community statutes where relevant. The Spanish Land Registrars portal provides access to registered property information, while the Spanish Cadastre provides descriptive and mapped data. They serve different purposes; a cadastral record should not automatically be treated as proof that every extension is authorised.

If the physical villa, title, Registry and Cadastre do not appear to agree, resolve the position with the appropriate professional before designing around the disputed area.

2. Define how the villa must work

The right design depends on whether the property will be a permanent home, seasonal residence, rental or long-term investment. Establish:

  • How many people will use it and how often.
  • Whether step-free access or future accessibility matters.
  • The balance between bedrooms and shared living space.
  • Storage, laundry and plant-room requirements.
  • The relationship between kitchen, living room, terrace and pool.
  • Privacy, shading and security priorities.
  • Maintenance expectations while the villa is empty.
  • The target completion date and realistic total budget.

A holiday villa often benefits from durable finishes, secure owner storage, straightforward controls and exterior spaces that are easy to maintain. A permanent home may place greater emphasis on insulation, acoustic comfort, storage and year-round climate control.

3. Design for Cabo Roig’s coastal conditions

Cabo Roig villas are exposed to intense sun, heat, humidity, salt-laden air and occasional heavy rainfall. These are design conditions, not decorative details.

Coastal factor Common risk Renovation response to consider
Strong sun Overheating, glare and fading Shading, solar-control glazing and UV-resistant finishes
Salt-laden air Corrosion of exposed metals Suitable fixings, coatings and exterior-grade products
Wind-driven rain Water entry at roofs, walls and openings Correct junction details, flashings and tested drainage paths
Flat roofs and terraces Ponding and concealed leaks Falls, outlets, overflows and compatible waterproofing systems
Humidity Condensation, mould and discomfort Ventilation, insulation strategy and controlled air movement
Long empty periods Undetected leaks or equipment faults Accessible shut-offs, monitoring and maintainable systems

Spain’s Technical Building Code sets requirements that can apply according to the nature and extent of the work. Its health provisions address moisture protection and ventilation, while its energy provisions address the building envelope and energy performance. The project technician should determine the applicable requirements.

4. Resolve structure and layout together

Large openings towards a terrace, removal of internal walls, staircase changes, roof alterations and extensions can transform a villa. They can also change load paths, drainage, insulation, floor levels and the construction sequence.

Structural alterations should be assessed and designed by a competent technician. They may require calculations, drawings, temporary works, municipal authorisation, supervision and final documentation. Never allow a load-bearing element to become an informal decision made during demolition.

When testing a proposed layout, check furniture dimensions, door swings, routes from entrance to living areas, sightlines, bathroom privacy, natural light, storage and the movement between kitchen, dining, terrace and pool.

5. Upgrade the installations as a coordinated system

A complete villa renovation is an opportunity to plan electrical supply, lighting, plumbing, hot water, drainage, air-conditioning, ventilation, data, security and pool equipment together.

Create an electrical and lighting plan before walls are closed. Confirm appliance loads, induction cooking, water heating, pool equipment, exterior lighting, electric-vehicle provision and any photovoltaic plans. Locate air-conditioning equipment and routes early so grilles, drains and external units do not become late visual compromises.

Photograph and record concealed installations before plastering or tiling. These records are valuable for future maintenance and reduce the risk of drilling into hidden services.

6. Treat waterproofing and drainage as priorities

Water moves across the whole property. A terrace level affects door thresholds; a pool surround affects falls; a garden wall affects runoff; and a roof outlet affects the façade below.

The design should address:

  • Roof and terrace falls, outlets and emergency overflows.
  • Waterproofing terminations at doors, walls and parapets.
  • Shower and wet-room systems below the visible tiles.
  • Surface-water routes around the villa and pool.
  • Ground levels against the building.
  • Accessible inspection points and drainage maintenance.

Tiles and sealant are not a substitute for a complete waterproofing and drainage strategy.

7. Plan the pool, terraces and garden with the house

Outdoor areas are often central to a Cabo Roig villa. Consider them while designing the interior, not after it.

Review shade, slip resistance, terrace levels, drainage, lighting, outdoor power, shower position, pool-plant access, privacy, planting, irrigation, storage and routes for maintenance. A beautiful exterior that is difficult to drain or service will age badly.

You can see how HURPOMAR approaches complete buildings and outdoor spaces in our selected projects.

8. Build the whole budget

Your total project budget may contain more than the contractor’s construction price.

Budget group Examples
Building work Demolition, structure, installations, finishes and exterior work
Professional services Surveys, design, calculations and site supervision
Statutory costs Licences, municipal taxes, waste requirements and occupation permits
Products Kitchen, sanitaryware, lighting, appliances and bespoke joinery
Owner costs Storage, accommodation, travel, security and utility changes
Risk allowance Concealed conditions and properly approved variations

Read our detailed 2026 guide to renovation costs in Orihuela Costa before comparing totals. A contingency of around 10% may be a starting point for a well-investigated project; older, altered or poorly documented villas may justify more until demolition reduces the uncertainty.

9. Confirm permissions before relevant work starts

Interior finishes, structural changes, roof or façade work, extensions, pools and occupation of public space do not necessarily follow the same procedure. Current forms are published by the Ayuntamiento de Orihuela, but the correct route must be confirmed for the particular property and project.

If the villa belongs to a community or private development, also check the statutes and whether exterior appearance, common services, access or working hours are controlled. Municipal approval and community approval are separate issues.

10. Compare quotations by scope, not by headline price

A useful villa-renovation proposal should identify demolition, structural work, installations, waterproofing, windows, kitchen, bathrooms, exterior areas, product allowances, professional services, licences, waste, VAT, exclusions, provisional sums, payment stages and the change-control procedure.

If one proposal includes the kitchen, pool surround and licence costs while another excludes them, the totals are not comparable. Use our guide to choosing a builder on the Costa Blanca as a comparison checklist. Our complete-reforms service explains the type of whole-property work HURPOMAR coordinates.

11. Use a controlled construction sequence

  1. Protect the property and establish safe access.
  2. Isolate services, strip out and remove waste correctly.
  3. Complete structural and masonry work.
  4. Install drainage, plumbing, electrical and climate-control first fix.
  5. Inspect concealed work and complete waterproofing.
  6. Prepare walls and floors, then install finishes.
  7. Fit kitchen, bathrooms, carpentry and equipment.
  8. Complete façades, terraces, pool and landscaping in the planned order.
  9. Test systems, clean, record defects and complete handover.

Spain’s rules for construction and demolition waste place responsibilities on both the project owner and those executing the work, depending on the type of project. The consolidated Royal Decree 105/2008 is the official reference.

12. Renovating the villa from abroad

If you will not be in Spain throughout the project, establish one main contact, authority limits, a weekly report, a decisions register, payment evidence, photographs of concealed work and a remote handover process. Our guide to renovating a property in Spain while living abroad provides a complete checklist.

Villa-renovation brief: information to prepare

  • Exact property location and approximate built area.
  • Intended use and target completion period.
  • Current plans, photographs and a short walkthrough video.
  • Known problems and previous alterations.
  • Essential changes versus optional improvements.
  • Preferred quality level and total budget range.
  • Whether the property is in a community.
  • Whether you will be resident in Spain during the work.

Frequently asked questions

Can I renovate the interior first and deal with the exterior later?

Sometimes, but roof leaks, drainage, window changes and exterior floor levels can damage or constrain new interiors. Confirm the building-envelope strategy before finishing internal work.

Is replacing windows only a product decision?

No. Opening size, exterior appearance, solar performance, waterproof junctions, shutters, ventilation and community restrictions may all matter.

Should pool work form part of the main renovation?

If terraces, drainage, services or access connect the pool to the house, coordinating them normally reduces conflicts and repeated work. The scope can still be priced as a separate package.

Can a villa renovation be completed while I live overseas?

Yes, provided decisions, reporting, access, payments and approvals are structured before construction. Remote ownership does not remove the need for inspections and project-specific permissions.

Planning a villa renovation in Cabo Roig?

HURPOMAR is a family building company based in Cabo Roig, established in 1995 and focused on complete property transformations, major extensions and new-build homes across Orihuela Costa. Send us the location, approximate size, photographs and the main changes you are considering through our project enquiry page.

Important: This guide provides general information, not a quotation or legal, planning, tax, architectural or engineering advice. Requirements, prices and timescales must be confirmed for the individual property and project.