New Build & Self-Build Planning
Electrical Planning for a New Build: What to Decide Before Construction Starts
Plan the home as one coordinated system before construction decisions close off the options.
Start with the finished home
Decide how the home should work before deciding where everything goes.
A useful electrical brief starts with people, rooms and everyday use. Furniture, circulation, lighting, comfort, connected systems and future loads all affect the infrastructure hidden behind the finished surfaces.
That is why early electrical planning matters for a self-build or new home: not every project needs every technology, but the decisions that do matter should be joined up while plans can still influence the installation.
The connected brief
Six decisions that influence one another.
This is not a universal specification. It is a way to expose important interfaces before walls, ceilings, floors and external works close the practical routes.
Supply & distribution
Incoming supply, major electrical loads, distribution locations, plant space, accessible routes and reasonable future capacity.
Rooms & everyday use
Furniture, kitchens, utility equipment, home working, screens, circulation and control positions planned around real use.
Lighting & control
Functional, architectural, decorative, joinery, low-level and exterior lighting considered with ceilings, finishes and zones.
Data, security & access
Wired data, equipment locations, wireless access-point provision, CCTV infrastructure, intercoms, gates and access where required.
Heating, EV & energy
Electrical interfaces for heating or hot water, EV charging, solar and battery readiness, monitoring and possible load management.
Outside & future change
Garden lighting, external power, outbuildings and routes across future landscaping, with sensible provision for foreseeable expansion.
Coordinate early
The value is in the relationships between decisions.
Room use affects lighting. Lighting affects control zones and cabling. Heating, EV charging, solar, batteries and other larger loads can affect the wider electrical brief. External systems need routes before finished landscaping makes them difficult to add.
Review what exists
Start with the plans, project location and current stage—not a demand for a finished tender pack.
Define the outcomes
Discuss how rooms should work, what systems are genuinely being considered and which decisions are still open.
Identify interfaces
Bring the electrical, lighting, control, network, energy and external requirements into one practical conversation.
Agree the NGE scope
Coordinate with the homeowner and relevant architect, builder and specialists, then install, test, certify and commission only what is within the agreed scope.
Genuine NGE evidence
Renovation proof that shows the value of whole-home coordination.
NGE's current publication-safe evidence is from substantial renovations rather than a completed new-build flagship. It still demonstrates the quality and breadth that early coordination supports.
Pangbourne Riverside Renovation
A full rewire, electrical distribution, architectural and integrated lighting, network infrastructure, CCTV, EV charging and coordination across a substantial property.
View Pangbourne
Purley on Thames
NGE delivered the electrical foundation, layered lighting and underfloor-heating/control provision, integrating customer-selected controls while the wider connected-home system remained customer-led.
View PurleyPangbourne and Purley are genuine NGE renovation evidence. They are not presented as completed NGE new-build case studies.
Planning a new home?
Send NGE your plans.
Plans do not need to be final. A useful first email can include:
- Plans or drawings currently available
- Project location
- Current concept, design or build stage
- Systems being considered