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Case Study // Bathroom Electrical Installation

Bathroom
Lighting
Canford Cliffs

A newly refurbished bathroom in one of Poole's most sought-after postcodes — and a client who wasn't happy with it. PIR movement lighting, LED skirting night lights, and door-activated cupboard strips transformed it in half a day. Part P notified.

Canford Cliffs, BH13
4-Bed Refurbished House
Half Day · 1 Engineer
December 2025
★ Part P Notified
EIC Issued

The Bathroom Wasn't Enough

The client had just completed a full refurbishment of their four-bedroom home in Canford Cliffs, Poole — new carpets, fresh décor throughout, and a newly fitted bathroom. On paper, the bathroom was done. In practice, the client felt something was missing.

The lighting wasn't working for them. The room felt flat. There was no atmosphere, nothing to bring out the quality of the fit-out they'd invested in. They wanted lighting that responded to how the room was actually used — a gentle glow when you walk in at night, light in the cupboard only when you open it, downlights that did their job without being obtrusive.

This is the kind of job where the electrical work and the design instinct have to work together. Getting the sensor placement right, routing cable without damaging the fresh renovation, and keeping everything clean and flush inside existing wooden construction requires care — not just competence.

What Clients Often Don't Know

Any electrical work in a bathroom — even adding a single light — is notifiable under Part P of the Building Regulations. The electrical installation certificate and Part P notification is what protects the homeowner when they come to sell, and what any competent buyer's solicitor will ask to see. We handle this as standard on every bathroom job.

Job Summary
AddressCliff Drive, Canford Cliffs
PostcodeBH13, Poole
Property4-Bed House
StatusNewly refurbished
DurationHalf day
Crew1 engineer
DateDecember 2025
CertificateEIC Issued
Part PNotified ✓
Installed
PIR Night Light✓ Under toilet
LED Strip✓ Cupboard
Door Switch✓ Activated
IP Downlights✓ Installed
Skirting Lights✓ Installed
Technical Scope
Circuit sourceNearest appropriate
PIR sensorMotion-activated
LED stripDoor-activated
Skirting lightsAmbient night use
DownlightsIP65 rated
Zone compliance✓ BS 7671
RCD protection✓ Confirmed
Why Part P Matters

Any new circuit in a bathroom is notifiable under Part P of the Building Regulations. Without it, a future buyer's solicitor will flag the missing certificate — and the work may need to be inspected or redone at the seller's cost. We notify as standard on every bathroom installation.

Four Details, One Room

The brief had four distinct elements, each requiring a different approach to power source, placement, and fixing. Working in a freshly renovated property with new carpets throughout meant protecting every surface from the meter cupboard to the upstairs bathroom before a single cable was run.

01

Property Protection — New Carpets Throughout

Before any tools came out, the route from the front door to the bathroom was fully protected. Carpet runners laid, bathroom temporarily sealed off during work. A newly renovated home requires the same care going in as it does in the electrical work itself.

02

Power Source — Nearest Appropriate Circuit

Located the nearest appropriate power source that could safely feed the new lighting without overloading existing circuits. Bathroom work requires careful attention to circuit type, RCD protection, and zone compliance under BS 7671.

03

PIR Night Light — Under-Toilet Movement Sensor

A passive infrared (PIR) movement sensor positioned to activate an under-toilet ambient light when someone enters the bathroom at night. Sensor placement is the critical decision here — too high and it misses movement, too low and it triggers on pets or air movement. Fitted within the existing wooden construction flush to the surface.

04

LED Skirting Night Lights

LED skirting-level lighting installed to provide a low-level ambient glow — enough to navigate the room at night without disturbing anyone, without needing to hit the main lights.

05

Door-Activated LED Strip — Cupboard

A door-activated switch wired to an LED strip inside the bathroom cupboard. Opens the door, the light comes on. Closes it, the light goes off. Simple in concept, precise in execution — the switch requires correct door-clearance alignment to operate reliably.

06

IP-Rated Downlights

IP65-rated downlights installed to comply with bathroom zone requirements — moisture protection is not optional in a bathroom, and the IP rating must match the zone in which the fitting sits.

07

EIC Issued · Part P Notified

An Electrical Installation Certificate was issued on completion. Part P notification submitted — any new circuit or addition in a bathroom is notifiable work under the Building Regulations, regardless of scale. The homeowner received the documentation the same day.

🛡
Site Protection — New Carpets

The entire route from front door to upstairs bathroom was protected before work began. The bathroom itself was temporarily sealed during cable routing. We get comments on this approach regularly — it's the difference between a trade visit and a disruption.

The Finished Installation

IP downlights, LED skirting night lights, and door-activated cupboard strip lighting — all installed within existing construction without disrupting the fresh renovation.

LED skirting night lights — PIR activated
01LED skirting night lights — PIR activated
IP65 downlights — bathroom zone compliant
02IP65 downlights — bathroom zone compliant
Cupboard LED strip — close up
03Cupboard LED strip — close up
Door-activated LED strip — cupboard
04Door-activated LED strip — cupboard

Four Features, One Brief

Bathroom lighting upgrades like this look simple on the surface. In practice, each element has its own set of requirements — zone compliance for the downlights, correct PIR sensitivity and placement for the night light, precise door-clearance calibration for the cupboard switch, and cable routing that doesn't disturb a fresh renovation. Getting one wrong ruins the others.

🌙

PIR Night Light

Movement-activated under-toilet lighting. Triggered by body heat — no switches needed at 3am. Sensor positioned for reliable activation without false triggers.

💡

IP65 Downlights

Zone-compliant IP-rated downlights. Moisture protection matched to the bathroom zone — non-negotiable under BS 7671, often skipped by less careful contractors.

LED Skirting Strip

Skirting-level ambient lighting for low-level navigation at night. Installed within existing wooden construction — no surface damage, no visible fixings.

📂

Door-Activated Strip

LED strip inside the cupboard wired to a door-activated switch. Light on when open, off when closed. Alignment and clearance critical for reliable operation.

Certificate
EIC
Electrical Installation Certificate issued same day
Notification
Part P
Submitted as required — bathroom notifiable work
Standard
BS 7671
18th Edition Wiring Regulations throughout
Compliance Summary
Wiring standardBS 7671 18th Ed.
Downlight IP ratingIP65
Zone compliance
RCD protection
Part P submitted
EIC issued✓ Same day
NAPIT Accreditation
SchemeNAPIT
Member No.69418
ScopeDomestic
"

The client said the bathroom was fine before — they just didn't love it. After the lighting went in, they said it felt like a completely different room. That's the kind of feedback that makes a half-day job worth writing up.

SC Electric · Bournemouth
LED
NAPIT Member 69418 · Part P Registered

Upgrade Your
Bathroom Lighting

Bournemouth, Poole, and Christchurch. EIC and Part P notification included as standard.