Construction Log & Technical Management

JOURNAL
of works.

Technical analysis of our projects in Barcelona and Valencia. We document the masonry, plumbing, systems and carpentry processes that distinguish a standard build from a high-end renovation.

31 published articles
Selected Construction Chronicles Barcelona — Valencia — 2025/26
Efficient Construction
02
Barcelona June 2026

Passive House Construction in Barcelona: Comfort and Nearly Zero Energy

Technical guide on building energy-efficient homes and Passivhaus in the province of Barcelona. Requirements for insulation, ventilation, and aerothermal energy.

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Site Management
03
Barcelona June 2026

Site Management and Quality Control in Barcelona: Keys to a Successful Renovation

Why rigorous technical site management and quality control guarantee that your home renovation in Barcelona is completed without time or budget overruns.

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Interior Design & Space
04
Sarrià-Sant Gervasi · Barcelona June 2026

Luxury Interior Design and Space Planning in Sarrià-Sant Gervasi

High-end design and interior keys for home renovations in Sarrià and Pedralbes. Space optimization, noble materials, and concealed architectural lighting.

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Construction Chronicle
05
Sarrià · Barcelona May 2026

Full Renovation in Sarrià: High-End Technical Execution

Analysis of the renovation process in Sarrià-Sant Gervasi. From the replacement of plumbing and drainage networks to precision bespoke joinery and thermoacoustic insulation with plasterboard in a 190 sqm flat.

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Efficient Construction
06
Sant Cugat · Barcelona June 2026

Energy Efficiency and Passive Comfort in Sant Cugat

How continuous EIFS insulation, reversible heat pumps, and KNX smart home systems achieve a nearly-zero energy home in Sant Cugat.

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High End
07
Pedralbes · Barcelona June 2026

Luxury Renovations in Pedralbes: Contractor & Architect Synergy

The importance of pre-construction planning and coordination meetings with design professionals to execute high-end residential projects on budget.

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Site Management
08
Sarrià · Barcelona June 2026

PRL Safety & Liability Insurance in Sarrià Construction Sites

Mandatory occupational risk safety protocols and the legal coverage of comprehensive contractor liability insurance in co-owned property updates.

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Planning
09
Turó Park · Barcelona June 2026

Critical Stages in High-End Renovations in Turó Park

From the initial 3D site survey and layouts to concealed drywall utilities and flush millwork. The key milestones of a professional renovation.

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Regulations
10
Eixample · Barcelona June 2026

CTE Compliance & Building Regulations in Barcelona Renovations

How a qualified building contractor implements Spanish technical codes on energy usage, structural safety, and acoustic insulation.

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Technique & Materials
11
Sarrià · Barcelona June 2026

High-Performance Acoustic Insulation in Sarrià Flats

Professional soundproofing solutions: double-board fonic drywall systems with rock wool, elastomeric membranes underwood, and pipe isolation.

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HVAC & Climate
12
Castelldefels · Barcelona June 2026

Aerothermal Heat Pumps & HVAC Efficiency in Castelldefels Villas

Using air-source heat pumps for invisible underfloor climate control on the coast. Regulating humidity dew point and protecting coils against salinity.

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Rehabilitation
13
Tres Torres · Barcelona June 2026

Structural Rehabilitation & Heritage Restoration in Tres Torres

Structural timber joists consolidation with steel beams, treatment against insects, and hand restoration of classic protected plaster moldings.

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Guarantees
14
Diagonal Mar · Barcelona June 2026

Construction Warranties: Decennial Insurance & Civil Liability

Mandatory LOE insurance policies. Technical auditing OCT, structural 10-year defect warranties, and contract penalty clauses for delay protection.

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Turnkey Projects
15
Esplugues · Barcelona June 2026

Turnkey Renovations in Ciudad Diagonal: Full Technical Control

The benefits of a single point of contact, locked budgets with zero price hikes, scheduled delivery guarantees, and online client tracking portal.

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Technical Guide
16
Permits · Barcelona May 2026

Licenses and Permits to Renovate in Barcelona

Assabentat, Comunicat or Llicència d'Obres. Avoid fines, stoppages and problems with the community by correctly managing the City Council's bureaucracy.

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High End
17
Eixample · Barcelona May 2026

Recovering the Soul of the Eixample: Catalan Vault and Nolla

Renovating a regal apartment requires respect for heritage and technical audacity. Discover how we fuse modernist essence with 21st century comfort.

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Design & Comfort
18
Trends · 2026 May 2026

Trends in Luxury Comprehensive Renovations for 2026

Warm minimalism, invisible technology and continuous materials. The new paradigm of residential luxury focuses on silent comfort.

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Construction Chronicle
19
Eixample · Barcelona April 2026

Eixample Penthouse: Catalan Vault and Technical Comfort

Structural restoration and technical upgrade of a historic Eixample property. Artisan masonry, concealed electrics and invisible HVAC in a century-old apartment.

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Building Renovation
20
Poblenou · Barcelona March 2026

Industrial Loft and Structural Renovation in Poblenou

Open-plan space with high acoustic demands. Acoustic plasterboard systems, steel column reinforcement and full industrial services renewal.

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New Build
21
Sant Cugat · Maresme February 2026

Energy-Efficient Construction in Sant Cugat and the Maresme Coast

Thermal envelopes, air-source heat pumps and KNX home automation in two opposing climate types: continental Sant Cugat versus the marine humidity of Premià de Mar.

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Price Guide
22
Guide · Barcelona May 2026

How Much Does a Full Renovation in Barcelona Cost in 2026?

Real costs per sqm, trade-by-trade breakdown, factors that drive prices up and what to demand from any contractor before signing. Comparison table by quality tier.

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Practical Guide
23
Guide · Barcelona May 2026

How to Choose a Reliable Building Contractor in Barcelona

The questions you must ask, the red flags to watch for and what every construction contract must include. Written from the experience of 100+ completed projects.

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Process Guide
29
Guide · Barcelona July 2026

Turnkey full renovation process in Barcelona

Visit, itemised budget, permits, works with a private client panel and handover. The full method with one technical lead.

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Practical Guide
30
Efficiency · Barcelona August 2026

Solar panels and energy-efficient works in Barcelona

PV, aerothermal systems, envelope and monitoring: how to integrate efficiency innovations into real renovations, with community rules, permits and one works programme.

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Practical Guide
31
Structure · Barcelona August 2026

Concrete, steel and timber: structural differences on site

What really changes when you choose a structural system: programme, weight, crane access, fire, moisture and logistics on Barcelona sites.

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Price Guide
24
Kitchens · Barcelona May 2026

How Much Does a Kitchen Renovation in Barcelona Cost in 2026?

Real prices by kitchen type, breakdown by trade (cabinetry, worktop, services) and the 4 factors that most impact the final budget of a kitchen renovation.

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Neighbourhood Guide
25
Gràcia · Barcelona May 2026

Full Renovation in Gràcia: Prices, Permits and Technical Details

Century-old timber joists, outdated services, 3–4 metre ceilings and heritage protection. Everything you need to know before renovating in Gràcia.

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Building Renovation
26
Buildings · Barcelona May 2026

Building Renovation in Barcelona: ITE Inspection, Costs and Grants 2026

What the ITE technical inspection is and when it is mandatory, how much it costs to renovate a facade, roof or communal services, and how to access Next Generation EU grants of up to 80%.

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Price Guide
27
Guide · Valencia May 2026

How Much Does a Full Renovation in Valencia Cost in 2026?

Real costs per sqm, breakdown by neighbourhood (Ruzafa, El Carmen, Valencian Eixample) and by trade. Labour 15–25% cheaper than in Barcelona, with the same execution standards.

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Construction Chronicle
28
Ruzafa · Valencia May 2026

Full Renovation in Ruzafa: Bespoke Joinery and Microcement

Technical chronicle of the complete renovation of a 95 sqm flat in Valencia's most sought-after neighbourhood. Open-plan oak island kitchen, continuous microcement bathrooms and heat pump HVAC.

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Technical Collaborations

Do you have a project in mind in Barcelona or Valencia?

We work side by side with local architects and interior designers to bring premium construction execution. Request a complimentary technical consultation to assess the buildability and material path of your renovation or build.

Contact Technical Office