SJI Electrical carries out full and partial house rewires in Penilee — a Glasgow scheme on Paisley's doorstep, with Ralston immediately across its southern boundary.
We never recommend rewiring for the sake of it. Every project begins with a proper inspection, and in Penilee that inspection genuinely matters.
Three quick questions, then it goes straight to SJI on WhatsApp.
Penilee was built as a planned community to house workers at the Hillington Industrial Estate, and was brought into Glasgow by the 1938 boundary extension. There is one published detail about how it was built that is directly relevant to rewiring: because of wartime material shortages, many of the flats were constructed from prefabricated materials such as foamslag rather than by conventional methods.
That is a fact about the area's building stock, not about any particular address — but it is a legitimate, verifiable reason to survey a property properly before agreeing a rewire. How a wall or floor is built determines how cable can be routed through it, and that is not something anyone should be guessing at from a phone call. The scheme's modernist detailing — flat roofs, long horizontal windows, ship-deck balcony rails — is another reason a look round beats an assumption.
Not every property needs a full rewire. We inspect first, then recommend what's actually justified.

New wiring throughout, a modern consumer unit, replacement sockets and switches, updated lighting circuits — then inspection, testing and certification.

Where only certain circuits, a single floor or a previously-altered section is outdated. Often the honest answer, and we'll say so.

A modern consumer unit forms part of every full rewire, and can also be upgraded on its own.
Fuse board upgrades →
Rewiring folded into a wider renovation or extension, with cable routes planned around the build rather than after it.
Rewiring means getting into walls, ceilings and floors, and there is no version of that which is invisible. What makes the difference is planning — knowing the property's construction before the first fix starts, phasing circuits sensibly, and being organised about access. Penilee is also currently undergoing residential redevelopment, so schedules sometimes have to work around other trades on site; we'd rather agree that up front than improvise around it.
Seven stages, from the first conversation to the certificate.
Tell us about the Penilee property and what's prompting the rewire.
A proper inspection, including how the property is actually built.
We tell you plainly what we found and whether a full rewire is justified.
A written quotation and an agreed schedule before anything starts.
Structured installation, then full inspection, testing and certification.
Because of how parts of the scheme were built. It is documented that wartime material shortages led to many of Penilee's flats being constructed from prefabricated materials such as foamslag rather than conventional construction. Construction type affects how cable is routed and how the work is planned, so we look before we price.
Not automatically — it means it should be planned rather than assumed. Once we've inspected the property we can be specific about the approach, the scope and the price.
It depends on the size and layout of the property, so we won't put a number on it before seeing it. After the inspection we agree a written timeline and schedule with you, so you know what to expect.
No. In plenty of cases only certain circuits or a previously-altered section need attention, and a partial rewire is the sensible answer. We'll tell you honestly which applies.
Often yes. We phase circuits logically, keep safe access throughout, protect flooring and furnishings, and leave the property safe at the end of each working day.
Yes. Every rewire is installed to current standards, fully inspected and tested, and properly certified by qualified electricians.
If you're considering a full or partial rewire in Penilee, Paisley or the wider Renfrewshire and Glasgow area, contact SJI Electrical to arrange an inspection. Send your postcode and a short description of the property and we'll confirm the next step.