Electrical Contractorsin Purley
Commercial electrical work for the shops, offices, units and let properties of CR8, planned with you and tested before it is handed over.
If you run a business, manage a building or let out property in Purley, you need electrical contractors in Purley who can deal with the whole job, from the first survey to the final test certificate. TH Electricians LTD is a commercial electrical contractor based in Sutton. We carry out office and shop fit-outs, data cabling, lighting upgrades, power distribution, planned maintenance, landlord electrical work and CCTV for commercial premises around Purley and the CR8 area.

Fitting out offices and shops around Purley Cross
Much of Purley's commercial life sits in and around Purley Cross: parades of shops, small offices and professional premises, many of them in older buildings that have been altered several times. A fit-out in that kind of unit starts with finding out what is already there, because the existing wiring, distribution board and circuit layout decide what can be reused and what has to change.
Our office and shop fit-out electrical work covers:
- new circuits and socket positions to suit the layout you have planned
- lighting for the sales floor, back office or reception
- power for counters, tills and display equipment
- a safe supply to the new distribution arrangement
Everything is tested before we finish, and you receive the certification for the work.
Scroll. Watch an office come to life.
Keep scrollingAn empty shell with an open ceiling grid.

Units and commercial premises along Purley Way
Purley Way is a different kind of commercial setting from the town centre: retail and industrial units, larger floor areas and heavier electrical demand. Electrical engineering contractors working in that setting spend more time on supply and distribution than on sockets and switches.
For units along Purley Way we can look at power distribution and infrastructure, including how the supply is shared out to different parts of the building, and whether the current arrangement suits how the unit is now being used. We also carry out LED lighting upgrades for commercial premises, which matter most where large areas are lit for long hours, and CCTV installation for those who want to cover a yard, entrance or loading area. Because every unit is different, we survey first and explain what we find before any work is agreed.
See the difference we make.
Seven services, each shown from the problem to the finished job. These are illustrations of typical work; photos from our own jobs are further down the page.

House Rewires
Chased walls and loose cables to a finished, certified room.

Fuse Board Upgrades
Old rewireable fuses out, a modern RCBO consumer unit in.

Lighting Upgrades
One flickering tube replaced with layered LED lighting.

Emergency Electrician
Power out, fault found, lights back on.

CCTV Installation
Discreet cameras and a security light, cables hidden.

Office Fit Outs
A stripped shell to lit, powered desks ready for staff.

Shop Fit Outs
An empty unit turned into a lit, trading shop.

Flats above shops and landlord electrical work
Around Purley Cross there are flats above shops and small commercial units, which puts two kinds of electrics in one building: a business below and a home above. For a landlord or managing agent that means keeping track of separate installations, and making sure each one is safe and documented.
We carry out landlord electrical work and Electrical Installation Condition Reports (EICRs). An EICR is an inspection and test of an existing installation, and it ends with a written report on its condition and anything that needs attention. Where a report lists remedial work, we can quote for putting it right.
If you look after several units or a mixed building, tell us how it is arranged when you call, and we will explain how we would approach the testing.

Data cabling and network readiness for Purley offices
A small office in Purley often outgrows the cabling it was fitted with. Extra desks, a new printer, a phone system or a change of broadband supplier all show up the same weakness: not enough data points, or cable run wherever it was easiest at the time.
Our data cabling and network readiness work is about giving the building a proper base for whatever equipment goes on it. That means agreeing where data points are needed, running the cable neatly and labelling the ends so the next person can follow it, and testing the runs so you know they work before your IT provider connects up. If you are already fitting out or refurbishing, there is less disruption if the cabling is run at the same time as the power and lighting, so we plan the two together.

Planned maintenance so the business keeps trading
Electrical faults tend to arrive at the worst moment for a business. Planned commercial maintenance is a way of finding the problems first: inspecting and testing the installation on a schedule you agree, and dealing with worn or overloaded parts before they cause a trip-out.
A planned visit for a Purley business can include:
- inspection and testing of the installation, with an EICR where one is due
- checking distribution boards for signs of heat, damage or overloaded circuits
- checking lighting circuits and fittings for faults and wear
- a written note of anything that needs repair, so you can budget for it
Where the work can be done around your opening hours, that is something we agree with you beforehand rather than assume.
Electrical services in Sutton & surrounding areas.
Planned domestic work, commercial installations and urgent faults. Pick a circuit.
IllustrationWay 01HomesHouse Rewires
Full and partial rewires planned room by room, with the least disruption we can manage.
IllustrationWay 02HomesFuse Board Upgrades
Consumer unit replacements with RCD and RCBO protection, tested and certified.
Our jobWay 03Homes · LetsEICR Safety Reports
Electrical Installation Condition Reports for landlords, buyers, homeowners and businesses.
Our jobWay 04HomesLighting & Sockets
LED downlights, pendants, smart lighting and extra sockets during a renovation.
IllustrationWay 05UrgentEmergency Electrician
Power loss, a board that won't reset, burning smells or sparks. Call us straight away.
Our jobWay 06Homes · BusinessCCTV Installation
Planned, fitted and configured by qualified electricians. No DIY kits, no botched wiring.
Our jobWay 07BusinessCommercial Contractor
Installations, LED upgrades, power distribution, data cabling and planned maintenance.
IllustrationWay 08BusinessOffice & Shop Fit Outs
Full electrical fit-outs for offices and retail units, scheduled around your opening date.
Not sure which service you need? Contact us and we'll point you in the right direction. We also cover shop fit outs in Sutton.

How a commercial job runs with us
A commercial electrical installation in Purley, from a shop fit-out to a lighting upgrade, follows the same order. First a survey of the premises and a conversation about what you want the building to do. Then a written explanation of the work and how it will be carried out. If access, timing or trading hours matter, we agree that plan before starting. The work itself is carried out by qualified electricians, and finished with inspection and testing.
You then receive the certification for what has been installed. We work to current standards and are registered with NAPIT. If we find something unexpected behind a wall or in a ceiling void, we tell you before doing anything about it.
Covering Kenley, Coulsdon, Sanderstead and Croydon from Purley
From Purley we cover commercial work in Kenley, Coulsdon, Sanderstead and Croydon, as well as the Woodcote, Webb Estate and Riddlesdown side of CR8.
The approach is the same for a shop on a neighbouring parade, an office in Croydon or a landlord with property in several of these places: survey first, explain clearly, test and certify at the end. If your premises are not listed here, ring and ask; we will tell you plainly whether we can take the job on.
Electrical contractors in Purley: common questions
Do you work on shops and offices in Purley town centre?
Yes. We carry out office fit-outs, shop fit-outs, lighting, data cabling and general commercial electrical work in premises around Purley Cross and the rest of CR8. We begin with a survey of what is already installed so that any advice we give is based on the real building.
Can you inspect the electrics in a flat above a shop?
We can. An EICR covers the installation as it currently stands and reports on its condition. If the flat and the shop below share parts of the installation, tell us when you book so we can plan the testing sensibly.
Do you install CCTV for commercial premises in Purley?
Yes, CCTV installation is one of our commercial services. We look at the premises, discuss what you need to see and where cameras can sensibly go, and explain the layout before any work begins.
Will I get certification for the work?
Yes. Commercial electrical work is inspected and tested when it is finished, and you receive the certification for what was installed. We are registered with NAPIT, and we explain the paperwork when we hand the job over.
Photos from our own jobs.
Control panels, testing, sockets and security lighting. Every photo here was taken on a TH Electricians job, not pulled from a stock library.







To talk through a commercial electrical job in Purley, call TH Electricians LTD on 07907 468 578 and tell us what the premises are and what you need done.
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