Smart Home Technology in London Renovations: A Practical Guide for Luxury Properties

Smart home technology — whole-home audio, automated lighting, climate control, security, and AV systems — has moved from a premium add-on to a standard component of high-specification residential renovation in London. Clients who were cautious about home automation a decade ago are now specifying it as a matter of course.

The challenge is not whether to include it. It is how to integrate it properly — so that it works reliably, ages well, and does not become an expensive problem once the building work is finished.

Why integration must start at first fix

The single most important point about home automation is this: it is a first-fix discipline, not a finishing trade. The infrastructure — conduits, cabling, rack space, control points — must be installed when walls are open and floors are lifted. Retrofitting it afterwards is possible but expensive, often invasive, and always a compromise.

This means your contractor and your AV/automation integrator need to be communicating before work starts on site. Scope, routing, and rack locations need to be agreed. Cable schedules need to be drawn up. If this conversation happens at second fix, you are already too late for many of the best solutions.

ASAAN's process includes an AV/automation coordination step as part of our pre-contract phase on all high-specification projects. We have established relationships with leading integrators in London and include their involvement in our project programmes from the outset.

Lighting control

Lighting control is the most universally valued automation system in luxury residential properties. A well-designed scheme allows:

• —Scene-setting across rooms and zones (dinner, reading, film, morning)
• —Circadian-rhythm lighting that adjusts colour temperature through the day
• —Integration with blinds and curtains for daylight management
• —Presence-based automation so lights are only on when spaces are occupied
• —Instant override — good automation always allows manual control without unlocking a phone

The leading platforms for residential lighting control in London are Lutron (the market standard for large-scale residential), Rako (widely used in mid-to-upper residential), and KNX (an open protocol favoured for complex integrations). Each has its own cabling requirements and control architectures, so the choice should be made before first fix.

A whole-home lighting control system for a 4–5 bedroom London property typically runs to £40,000–£90,000 installed, including all keypads, processors, and commissioning. Lutron RadioRA 3 and Homeworks QSX are the most common specifications in the prime London market.

Whole-home audio

Whole-home audio distributes music and audio sources to any room in the property, typically from a centralised media library or streaming service. In a well-designed system:

• —Each room can play independently or be grouped with others
• —Volume is balanced per room with in-ceiling or in-wall speakers that disappear into the fabric of the building
• —Sources include streaming (Spotify, Tidal, Apple Music), local library, and radio
• —Integration with the broader control system allows scenes (e.g., "Morning" brings up Radio 4 in the kitchen)

Sonos remains popular for simpler applications but is increasingly seen as inadequate for high-specification schemes. Control4, Crestron, and Savant are the platforms most frequently specified for prime London properties, often integrated with the lighting and climate systems under a single control interface.

Climate control and HVAC

Modern central heating and cooling systems — heat pumps, fan coil units, underfloor heating — lend themselves to zone-based control that can be automated and integrated with the broader building system. The benefits include:

• —Zone-level scheduling and temperature control
• —Presence-based operation (heating rooms when occupied, setting back when empty)
• —Integration with weather data (pre-cooling before a hot day, pre-heating after a cold night)
• —Remote access for absentee owners — a particular priority for the overseas clients ASAAN frequently works with

KNX is the most common open protocol for building-level climate integration. Proprietary systems from Crestron and Control4 also offer deep integration with leading HVAC brands.

Underfloor heating throughout a 4–5 bedroom property, with zone-level control integrated to the building system, typically adds £15,000–£35,000 to the cost of a renovation.

Security and access control

Security integration at a luxury residential level goes well beyond a standard alarm system:

• —Video door entry with high-definition cameras and audio, viewable remotely
• —Multi-point access control — keypads, proximity cards, or biometric readers — for external doors, garages, and sensitive internal spaces
• —CCTV with cloud or local storage, integrated to the control interface
• —Intruder detection using PIR, door contacts, and glass-break sensors, with silent monitoring and police response options
• —Panic rooms and safe rooms with independent communications and power backup

For London properties occupied by high-profile clients or managed by family offices, security is often the most carefully specified part of the system. Integration with the lighting control system (so forced entry triggers a predetermined lighting scene, for example) is standard practice at the top of the market.

AV and home cinema

For dedicated home cinema rooms — a feature of many larger prime London properties — the specification is a project in itself:

• —Acoustic treatment: wall panels, floating floors, acoustic ceiling systems
• —Projection: 4K or 8K laser projectors, acoustically transparent screens
• —Sound: Dolby Atmos and DTS:X surround systems with in-ceiling height channels
• —Seating: bespoke upholstered tiered seating or reclining cinema chairs
• —Control: integrated with the wider building system so the room configures itself from a single button press

A properly specified home cinema in a prime London property runs to £80,000–£300,000+ depending on room size, acoustic treatment, and technology choice. At this level, the integration contractor and interior designer need to work together from the concept stage.

Centralised control

The value of home automation is greatest when systems are integrated — when the lighting, audio, climate, security, and AV work together and are controlled from a single interface. The dominant platforms for this in prime London residential are:

The right choice depends on the project complexity, the client's existing devices and preferences, and the integrator's capability. ASAAN works with trusted London integrators across all four platforms.

What to budget

A whole-home automation package for a high-specification London renovation — covering lighting, audio, climate, security, and AV — typically runs to:

These are installed costs including equipment, cabling, commissioning, and programming. Annual maintenance contracts — for firmware updates, system health checks, and remote support — typically run to 5–10% of the installed cost.

What good looks like

The benchmark for excellence in home automation is invisibility. Controls should be where you expect them. Scenes should anticipate what you want. The system should require no instruction manual, no troubleshooting, no workarounds.

If a client has to think about the technology, the integration has not been done properly.

ASAAN's approach is to coordinate the technical specification with the design intent from the start of each project, ensuring that control points, keypads, speakers, and camera positions are integrated into the architecture rather than added on top of it.

If you are planning a high-specification renovation in London and want to discuss home automation integration, contact us to arrange a consultation. You can also see examples of our completed projects in the portfolio.