Full Joinery Renovation: How to Renovate Windows and Enclosures in Your Home

Introduction: when is the right time for a full joinery renovation?

A full joinery renovation involves replacing all the windows, enclosures, gates and solar protection in a home in a single coordinated project. Rather than changing one window here and another there, it means completely transforming the comfort, energy efficiency and security of your home in one go, saving money and time compared to piecemeal renovations.

At Tecnisun C.B. we carry out full joinery renovations in Granada and Malaga combining the sector's leading brands: STRUGAL (windows and gates), INSTALLUX (enclosures) and SAXUN (solar protection). As official manufacturers and distributors of all three brands, we offer a unified project with a single point of contact, a single quote and coordinated warranties.

Signs your home needs a full renovation

Your joinery needs a complete overhaul if you spot several of these symptoms:

• Windows over 20 years old: aluminium profiles without thermal break (RPT) or degraded wooden windows lose up to 30% of heat in winter and let heat in during summer.
• Condensation on the glass: water droplets inside the glass indicate that the glazing has lost its seal and the argon gas has escaped.
• Excessive external noise: if you can clearly hear traffic, construction or neighbours, the windows are not fulfilling their acoustic function.
• Draughts with windows closed: deteriorated weatherseals and misadjusted hardware create air infiltrations that drive up energy consumption.
• Difficulty opening/closing: rusted hardware, warped profiles or jammed tracks indicate structural deterioration.
• High energy bills: if you spend more than €150/month on climate control in a 100 m² home in Granada, your joinery is probably the main cause.

What does a full joinery renovation include?

A full renovation covers all the exterior joinery elements of the home:

Phases of a full joinery renovation

At Tecnisun we follow a structured 6-phase process to guarantee an impeccable result:

Phase 1: Free energy assessment

A technician visits your home, assesses the current state of all joinery, identifies energy-loss points and measures every opening. We use a thermal imaging camera to detect thermal bridges invisible to the naked eye. This assessment is free and with no obligation.

Phase 2: Project design and quotation

We present a comprehensive project with:

• Material and series selection for each element (PVC, aluminium or mixed depending on location and use).
• Estimated energy savings calculation with the new elements (based on certified Uw values).
• Finish, colour and accessory proposal.
• Detailed quote broken down by line items.
• Finance plan if needed (up to 60 months interest-free with our partner institutions).
• Next Generation EU subsidy application (if eligible).

Phase 3: Workshop manufacturing

Everything is custom-made at our Granada workshop: PVC and aluminium windows on CNC, custom INSTALLUX enclosures, STRUGAL gates and mosquito screens. Manufacturing takes 20-30 working days depending on project complexity.

Phase 4: Removal and preparation

We remove all old joinery carefully to avoid damaging wall surfaces. We prepare openings (repair, levelling, damp treatment if needed). Waste is managed through an authorised construction-waste handler.

Phase 5: Coordinated installation

We install all elements in a logical order: first windows and enclosures (which require sealing and foaming), then gates and finally solar protection (blinds, awnings, mosquito screens). Installation of a 150 m² detached house typically takes 5-7 working days.

Phase 6: Final adjustment and handover

Fine-tuning of hardware, watertightness testing, post-construction cleaning and document handover: warranty certificates for each brand, technical datasheets, maintenance instructions and updated energy certificate if requested.

Next Generation EU subsidies for energy renovations in Andalusia

The Next Generation EU funding for building energy rehabilitation is active in Andalusia and covers up to 40% of the renovation cost (up to 80% in cases of energy vulnerability). To be eligible:

• Main requirement: the renovation must achieve at least a 30% reduction in the building's non-renewable primary energy consumption.
• Maximum amount: €3,000 per dwelling for building-envelope interventions (windows, enclosures, insulation). Extendable to €6,520 if multiple interventions are combined.
• Compatible with: 20-40% income-tax deduction for energy-improvement works (up to €5,000-7,500 base).
• Deadline: grants are available until December 2026 (subject to fund availability).

Real example: full renovation of a detached house in Granada

To illustrate the scope of a full renovation, here is a typical project we regularly undertake:

This net cost pays for itself in 8-12 years through energy savings, and the property gains €30,000-50,000 in value according to local Granada valuers.

Flexible financing

For full renovations, we offer flexible financing options:

• 0% finance up to 12 months: pay for your renovation in 12 interest-free instalments with no fees.
• Finance up to 60 months: fixed payments from €350/month for a €20,000 project (APR from 5.9%).
• Phased payment: 30% on confirmation, 40% on material delivery, 30% on installation completion.

Frequently asked questions about full renovations

How long does a full joinery renovation take?

From first visit to final handover: 45-60 working days (20-30 manufacturing + 5-10 installation + paperwork). For occupied homes, we coordinate installation zone by zone to minimise disruption.

Can we live in the house during the renovation?

Yes. Joinery installation causes less disruption than masonry renovation. We work room by room, leaving each space functional at the end of the day. Only the removal of old windows (15-30 minutes per window) leaves the room temporarily open to the outside.

Is it worth combining PVC and aluminium in the same home?

Yes, it is a very common strategy: STRUGAL PVC for bedrooms and interior rooms (maximum insulation) and STRUGAL aluminium RPT for living rooms with large windows and enclosures (large dimensions and aesthetics). As manufacturers of both materials, we coordinate the aesthetics with matching finishes.