Six independent credentials covering competent-person registration, health & safety assessment, technical qualifications, government quality endorsement, building-regulations compliance, and the current wiring standard. Every membership number below is real and can be verified directly with the issuing body.
Electrical work is one of the few trades where membership claims really matter — bad work can kill, and you should know who you’re letting into your property. Anyone can stick a logo in a footer; not everyone can produce a current scheme number. This page explains what each badge in our trust strip actually means, what it covers, and where you can verify it.
If you ever want to check us before booking, every link below goes straight to the issuing body’s public register.

NAPIT (the National Association of Professional Inspectors and Testers) is a UK government-authorised Competent Person Scheme for the electrical trade, registered with the Department for Levelling Up, Housing and Communities (now part of MHCLG). Members are independently audited every year against a strict technical, insurance, and procedural standard.
Being a NAPIT-approved contractor means we can self-certify notifiable electrical work in dwellings under Building Regulations — we issue the Electrical Installation Certificate, NAPIT lodges the Building Regulations Compliance Certificate with your local authority, and you receive a six-year Insurance Backed Guarantee on the work.
NAPIT membership also covers our scope to issue EICRs (Electrical Installation Condition Reports), Minor Works Certificates, and certification on full rewires and consumer-unit replacements.

CHAS (the Contractors Health and Safety Assessment Scheme) is the UK’s founding SSIP (Safety Schemes in Procurement) member. CHAS accreditation is the standard pre-qualification for working on commercial sites, public-sector contracts, housing-association frameworks, schools, healthcare, and most multi-trade construction projects.
The CHAS audit assesses our written Health & Safety policy, risk-assessment and method-statement (RAMS) procedures, training records, insurance cover (£2m public liability, employer’s liability), accident reporting, and competence management. We renew it annually.
If a contracts manager or principal contractor asks for our SSIP certificate before issuing a purchase order, this is the one they’re asking for. Our certificate can be downloaded direct from the CHAS portal — just request it and we’ll forward a current PDF.

City & Guilds 2391 — Inspection and Testing of Electrical Installations is the recognised UK qualification for electricians who carry out periodic inspection, testing, and certification of electrical installations. It’s the qualification you’ll see on every credible EICR provider’s credentials list, and it’s assessed by closed-book exam plus practical observation.
Holding 2391 means our director is qualified to design test sequences, interpret continuity, insulation-resistance, polarity, earth-fault-loop and RCD readings, classify defects (C1, C2, C3, FI), and produce a legally-defensible Electrical Installation Condition Report. We use a calibrated Megger MFT multifunction tester on every inspection.
Without 2391 (or its predecessor 2394/2395), an electrician cannot competently issue an EICR. If anyone is offering you a cheap EICR without listing this qualification on their paperwork, ask why.
TrustMark is the only government-endorsed quality scheme for trades operating in or around UK homes. It’s licensed by the Department for Energy Security and Net Zero, and a contractor can only be listed if they meet defined standards on technical competence, customer service, and trading practice.
Our TrustMark listing is held through our NAPIT scheme operator and renewed annually. As a TrustMark-registered business we agree to the TrustMark Customer Charter — a published code of conduct covering quotations, contracts, deposits, work standards, dispute resolution, and after-sales service.
If something ever goes wrong on a TrustMark-listed job, the homeowner has a defined route to independent dispute resolution — we don’t mark our own homework. Most cowboys can’t accept that level of accountability, which is why most aren’t listed.
Part P of the Building Regulations (Schedule 1, Part P — Electrical Safety) is the legal framework covering domestic electrical work in dwellings in England and Wales. It applies to fixed wiring — new circuits, consumer-unit replacements, work in special locations like bathrooms and kitchens, and outbuildings.
Notifiable Part P work has to be registered with the local authority Building Control. Homeowners can do this manually (slow, expensive), or use a Competent Person Scheme installer who self-certifies through their scheme. Because we’re NAPIT-approved (66245), we self-certify all notifiable work — you receive a Building Regulations Compliance Certificate within 30 days, posted by NAPIT.
If your fuse board has been changed without a compliance certificate on the paperwork, that’s a Part P breach — and a problem at conveyancing time. Every consumer-unit replacement we do is notified, certified, and lodged.
BS 7671 — the IET Wiring Regulations — is the British Standard that defines safe electrical installation in the UK. The current edition is the 18th, BS 7671:2018, incorporating Amendment 2:2022 (effective March 2022 with a transition period to September 2022). Every installation we design, install, test, and certify is BS 7671 compliant.
Amendment 2 introduced significant changes including Surge Protection Devices (SPDs) on most domestic consumer units, AFDDs (Arc Fault Detection Devices) recommended for higher-risk circuits, updated rules on EV charging point installations (Type A or Type F RCBO required — we always use Type A on EV chargers), and revised guidance on metallic consumer units. We work to the current standard, not the one our director qualified on.
Our certificates and EICRs reference the current BS 7671 clause numbers. If you compare a recent DS Electrical EICR with one issued five years ago by another firm, you’ll see different defect codes and updated test ranges — that’s the standard moving forward, and us moving with it.
Check our profiles directly with each issuing body using the links above. Then call Dan and book the job.
Direct Dan Stevens, Director: 07889 334849 Dan Street, Director: 07983 106928