Data Cabling for New Build Homes¶

Plan and install data cabling during UK new build construction for the cleanest network infrastructure. This guide covers pre-plaster cabling, conduit installation, future-proofing, and working with builders.

Pre-Plaster Data Cabling Strategy¶

Installing data cabling before plasterboarding is the optimal time as all walls and floors are accessible. Pre-plaster installation benefits: cables run within stud walls without conduit restrictions, cables can be fixed to studs for stability, easy routing between floors through service voids, and no surface trunking needed. Strategy: run a minimum 2x data cables to each room, 4x to the living room/TV position, 2x to each bedroom, 1x above hallway for WiFi access point, and 2x to the loft for future expansion. Use Cat6a cable for new builds - the cost difference versus Cat6 is insignificant in the context of a new build. Cable routing: run all cables from the central network location (understairs cupboard or utility room) in a star topology to each room. Secure cables to studs with cable clips at 500mm intervals. Leave 1-metre service loops at both ends. Use 20mm PVC conduit for cables in concrete floors and for vertical drops within stud walls. Label both ends of every cable with the room name and outlet number.

Working with Builders and Certification¶

Coordinate with the builder for data cabling installation. Timing: cables go in after first fix electrics but before plasterboarding - typically week 4-6 of a 12-week new build programme. Provide the builder with a written cable schedule showing: number of cables per room, location of data points on a floor plan (height from floor - standard 300mm for data points), central network location, and external cable entry point. Termination: after plasterboarding and decoration, terminate cables with Cat6a keystone jacks and wall plates. Use white screwless flush faceplates (MK or Deta, £5-£8 each). Patch panel at central location: 24-port Cat6a patch panel (£40-£70). Cable testing: hire a Fluke DSX-600 certification tester (£150/day from HSS Hire) and get a formal certification report. The report confirms the installation meets the required Category standard and is useful when selling the property. Cost guide: new build cabling for a 3-bed house (20 data points, 500m Cat6a, patch panel, faceplates): DIY £400-£600, professional installation £1,200-£2,000. The cost is approximately 0.5-1% of the overall new build budget.

Specifications and Comparison¶

Room Type	Minimum Data Points	Recommended Data Points	Cable Type
Living Room	4	6	Cat6a
Home Office	2	4	Cat6a
Each Bedroom	2	2	Cat6a
Kitchen	1	2	Cat6a
Hallway (AP)	1	1	Cat6a
Loft (spare)	2	2	Cat6a

FAQ¶


: . For more information see our Whole-Home Structured Cabling Design.

Last updated: 2026-05-31.

External Resources¶

For further information consult authority guidelines at the UK Government Building Regulations.