NAPIT registered · Part P · Purley based
Electrician in Purley& surrounding areas, done right the first time
Jonathan Oatley and one apprentice, a small, hands-on outfit covering Purley, Croydon, South London and Surrey. Free quotes, certified work, a year's guarantee, and a phone answered by the man doing the job.
Standard hours 8:00am–5:30pm · Emergency call-outs evenings, weekends and 24/7
- 10/10 on Checkatrade · 320 reviews
- NAPIT & Part P registered
- £2m public liability
- 12-month workmanship guarantee
- Free, no-obligation quotes
Get your free quote
Send the details and Jon replies the same working day, usually within a couple of hours.
- 15 years' experience: domestic & commercial
- NAPIT & Part P registered: certified to BS 7671
- £2m public liability insurance
- 1-year workmanship guarantee
- Rated 10/10 on Checkatrade
- Small, hands-on team: deal with Jon direct
- Free, no-obligation quotes
- Rewires, fault-finding, fuse box upgrades & EICR testing
- EV chargers, external & interior lighting, extra sockets
- 24/7 emergency call-outs, evenings & weekends
- Serving Croydon, Purley & across Surrey






NAPIT registered
Government-approved competent person scheme
Part P registered
Domestic work certified to Building Regulations
£2 million cover
Public liability insurance on every job
1 year guarantee
Workmanship guaranteed for twelve months
10/10 on Checkatrade
320 reviews logged on the profile over the years
What we do
Domestic and commercialelectrical work, fully certified
From an extra socket to a full rewire, every job is tested, certified and guaranteed for twelve months.

House rewires
Full and partial rewires with certification, planned around your household.
House rewires in Croydon & Surrey →
Fault finding
Tripping circuits and dead sockets traced and fixed, not guessed at.
Fault finding in Croydon & Surrey →
Consumer unit upgrades
Modern RCBO fuse boards fitted, tested and certified.
Consumer unit upgrades in Croydon & Surrey →
EICR & periodic reports
Periodic inspection reports for homeowners, landlords and businesses.
EICR & periodic reports in Croydon & Surrey →
Outside & external lighting
Garden, drive and security lighting installed safely and weather-tight.
Outside & external lighting in Croydon & Surrey →
EV charger installation
Home and workplace EV charge points installed and certified.
EV charger installation in Croydon & Surrey →
Extra sockets & lighting
Additional sockets, spurs, downlights and switching where you need them.
Extra sockets & lighting in Croydon & Surrey →
Commercial wiring & reports
Offices, shops and units wired, maintained and periodically tested.
Commercial wiring & reports in Croydon & Surrey →
Emergency call-outs
24/7 emergency response for dangerous or total-loss electrical faults.
Emergency call-outs in Croydon & Surrey →
PAT testing
Portable appliance testing for offices, landlords and small businesses.
PAT testing in Croydon & Surrey →
Landlord safety certificates
Electrical safety certificates for rented property, issued on time.
Landlord safety certificates in Croydon & Surrey →
Garden, garage & outbuilding power
Buried supplies and consumer units for garages, sheds and garden offices.
Garden, garage & outbuilding power in Croydon & Surrey →Most weeks we are booked with house rewires in Croydon, fuse board upgrades in Purley and EICR electrical testing for Surrey landlords, alongside extra sockets and LED lighting installation, EV charger installation and 24/7 emergency electrician call-outs. You can see photographs of recent electrical work or browse the towns we cover across Surrey and south London.
Why JMO
A personal service,not a call centre
JMO Electrical Services is run by Jonathan Oatley, fifteen years on the tools, one apprentice, and no middle layer between you and the person doing the work. You get the same face at the quote, the job and the sign-off.


Registered and insured
NAPIT and Part P registered, with £2 million public liability cover on every job.
Priced up front
Free quotes on planned work. £85 call-out during standard hours covers the first hour of fault finding; evenings and weekends are £140 per hour.
There when it matters
Standard hours 8:00am–5:30pm, with emergency call-outs available evenings, weekends and 24/7.
Backed for a year
All workmanship is guaranteed for twelve months, in writing.
Reviews
10/10 on Checkatrade,320 reviews deep
Quality of work 10. Reliability 10. Communication 10. Here's what customers actually wrote.
10/10
“Communications and arranging the date was excellent. Standard of work to a high standard and all to the agreed quotation.”
10/10
“Jon and his team turned up promptly as agreed, completed all works to a high standard and at a reasonable price.”
10/10
“Quickly turned up and safely dealt with cut cable to external garage. Great communication throughout.”
Questions
Straight answers before you call
What does a call-out cost?
£85 during standard working hours, which covers the first hour of work on fault-finding jobs. Evenings and weekends are charged at £140 per hour. Quotes for planned work are free.
Are you available out of hours?
Standard hours are 8:00am–5:30pm, with emergency call-outs available evenings, weekends and 24/7.
Are you registered and insured?
Yes. JMO Electrical Services is NAPIT registered and Part P registered, and carries £2 million public liability insurance.
Is the work guaranteed?
All workmanship is guaranteed for one year.
Do you take on commercial work?
Yes: domestic and commercial. That includes commercial wiring, periodic inspection reports and out-of-hours work for businesses.
Is there anything you don't do?
We don't install solar panels or battery storage, and we don't take on smart home wiring or automation. Everything else electrical, we cover.
Need an electrician you can actually get hold of?
Free quotes on planned work, £85 call-out covering the first hour on fault finding, and emergency cover 24/7.
