Consumer unit replacement in Cults from £550 + VAT
We take out old fuse boxes, including the fuse wire boards still found in Cults granite villas, and fit a new consumer unit with its own protective device on each circuit. Most Cults houses cost from £550 + VAT, a big board up to about £950 + VAT, and the work takes one working day with an Electrical Installation Certificate at the end. Ring 07304 027013 to arrange a free survey.
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Replacing a consumer unit in Cults with Faithful Spark Electricians costs from £550 + VAT, with about £950 + VAT as the guide for a large single board. A house with a second board is priced after we have seen both. Fuse box, fuse board and consumer unit are three names for the same panel, so if you searched for any of them, this is the job. Our own team comes to AB15 from Peterhead, surveys free, and fits and certifies the new board to BS 7671:2018+A4:2026.
| Starting price | £550 + VAT for one board in a typical Cults house or flat |
|---|---|
| Large single board | Guide up to about £950 + VAT |
| Second board or sub board | Priced after the survey, once we know what it feeds |
| With an EV charger | £750 to £1,000 + VAT for board and charger together |
| Time on site | One working day; power off for roughly 4 to 6 hours |
| Paperwork | Electrical Installation Certificate with every reading recorded |
| Your written price | Fixed, within one working day of the free survey |
| Local authority | Aberdeen City Council (Cults is in the city, not the shire) |
| Network operator | SSEN, owner of the sealed main fuse before your meter |
How much does it cost to replace a consumer unit in Cults?
£550 + VAT is where most Cults board changes start. Online guides quote national averages; these are our own figures, every one excluding VAT. The number of circuits and the number of boards decide where your house lands. A wider breakdown by board type sits in our guide on how much a fuse box upgrade costs.
Our Cults price list
| One board, typical house | from £550 + VAT |
| One large board, many circuits | to about £950 + VAT |
| Second board or sub board | after survey |
| Board and EV charger | £750 to £1,000 + VAT |
| Surge protection device | £40 to £80 + VAT |
| Additional RCBO, plus fitting | £25 to £30 + VAT |
What moves a Cults price
- How many boards. A villa with a garage board and a garden room sub board is three enclosures, not one.
- Circuit count. High ceilinged period houses with added rooms often carry more circuits than their age suggests.
- The board's position. A hallway press or under stair cupboard with little room behind the old fuse carriers takes longer to clear.
- Bonding. Main bonding to the water and gas pipes that is absent or undersized gets corrected on the same visit.
- Tails. Old meter tails that are perished or too short to reach the new enclosure are renewed.
Your figure for Cults
Send the AB15 address and a photo of each board in the house. After a free survey you get a fixed written price within one working day. It changes only if a test on the day exposes a fault, and you see that reading before we do anything about it.
Call 07304 027013In every Cults price
- A metal consumer unit with a protective device for each circuit
- Readings from your existing cables taken before the old board is disconnected
- Labels you can read without a key, one for every circuit
- Testing of the completed board with all results written down
- Your Electrical Installation Certificate
Extra only when the survey finds it
- A second board, a sub board or a new sub main
- Main bonding that is missing or undersized
- Replacement meter tails
- Repair of a circuit that fails its insulation test
- Anything SSEN or your energy supplier has to do first
Free survey for your Cults consumer unit
No charge for quoting. A fixed written price within one working day of our visit.
Replacing the fuse box in a Cults granite villa
Many of the Victorian and Edwardian villas off North Deeside Road have had kitchens, bathrooms and extensions modernised while the board stayed as it was. We still find fuse wire carriers and early boards with no residual current protection in them.
Why the old board is the weak point
A rewireable fuse only reacts to too much current. It cannot sense current leaking to earth through a damaged cable or a person, which is what an RCD or RCBO is there to catch. In a villa that holds cable from several decades, that missing protection matters more than the age of the box itself.
How we handle a period board change
- Insulation readings on every existing circuit first, so the condition of the cables is known before the new board goes live.
- The new metal enclosure sited to suit the hallway or cupboard, normally in the same position so the granite and plaster are left alone.
- Circuits that fail their readings are shown to you with the figures, and priced before any repair.
Where the readings point to wiring at the end of its life, a new board on old cable is not the answer we will sell you. We explain the choice and quote a rewire in Cults alongside, so you can decide with both prices in front of you.
Switch off at the main switch and phone us if
- The board, its cover or the wall beside it is scorched or discoloured
- There is a smell of hot plastic near it
- You hear crackling, or a switch is too hot to hold
Use the main switch only if you can reach it safely, then ring 07304 027013 within our opening hours.

Cults houses with more than one consumer unit
Bigger Cults and Milltimber homes tend to grow: a converted loft, an annexe, a garage or a garden room at the foot of the plot. Each addition often brought its own board, fitted at a different time by a different firm, so the house ends up with several boards that were never designed together.
What we check across the boards
- Where each board takes its supply from, and whether the cable feeding a sub board is the right size for its load and length.
- Which circuits every board protects, and whether residual current protection covers all of them.
- How the total load sits against the main fuse before anything heavy is added.
- Earthing and bonding at each board, so the whole installation hangs together.
Change one board or all of them?
Not every board in a large house needs replacing. Sometimes the main board is the problem and a newer garage board can stay; sometimes a tired sub board in the annexe is what keeps tripping. You get a price per board, so you can do the urgent one now and the rest later. The photo shows why we leave spare ways: the next charger, hot tub or heat pump should not need another board.
Two or more boards in your house? Call 07304 027013 and tell us where each one is.

Fuse wire, or boards in three places?
Either way, the survey is free and the written price arrives within one working day.
How long a consumer unit replacement takes in Cults
Allow one working day for a single board, with the electricity off for roughly 4 to 6 hours. Each further board adds time, and the survey tells you how much. Our article on how long a consumer unit replacement takes goes through the stages in more depth.
- 1Readings while it is still live. Insulation and earth values are taken from your existing circuits so a cable fault is found before the swap.
- 2Supply off, old board out. The new enclosure goes up in its place and the earthing and bonding are checked.
- 3One circuit at a time. Each circuit is connected to its own device and labelled, with all devices left off.
- 4Dead tests, then live tests. Continuity, insulation resistance, polarity, loop impedance and RCD trip times are measured and recorded.
- 5Power back on. You get the certificate and a walk through the main switch and test buttons.
Plan ahead: tell us about anything that must stay powered, such as medical equipment or a full freezer, and keep the route to each board clear. Clocks, the heating timer and the router will want resetting once the power returns.
Is it illegal to replace your own consumer unit in Cults?
No Scottish law names a consumer unit and bans an owner from changing it, but the finished work must still meet the building regulations, and doing it safely is beyond a home toolkit. Several national guides answer this with Part P. That is the wrong country for a Cults house.
Part P is not Scottish
Part P and Building Control notification come from the regulations for England and Wales. Neither has ever applied in Scotland, so a quote or guide that promises "Part P sign off" for an AB15 address is written for somewhere else.
Standard 4.5 does apply
Scotland's building standard 4.5 asks for an electrical installation that is safe and not a fire risk. The domestic Technical Handbook points to BS 7671 and to people with suitable knowledge and experience doing the work.
No warrant for like for like
Swapping a fixture for one of the same general type is exempt from a building warrant under Schedule 3, type 24, if the result is no worse than before. The owner still holds the duty to comply, and in Cults the authority is Aberdeen City Council.
The main fuse is SSEN's
Making a board dead normally means drawing the sealed main fuse in the cut out, which belongs to SSEN and is not yours to remove. Then every circuit has to be tested with calibrated instruments and recorded.
What BS 7671:2018+A4:2026 changes for a Cults board
Amendment 4 was published on 15 April 2026 and is still the 18th Edition. It governs the board being fitted, not whether your existing board may stay.
- Enclosure. A new domestic consumer unit must be non combustible, which means metal in practice. An existing plastic board is not a defect for that reason alone.
- Arc fault detection. AFDDs are required on socket circuits up to 32 A in high rise residential buildings, HMOs, purpose built student housing and care homes. In a Cults house they are a recommendation, priced only if you ask.
- Surge protection. The owner of a single home may decline a surge protection device, and the decision goes on the certificate.
- RCBOs. An RCBO for each circuit is our recommendation, not a legal requirement. A split load board with two RCDs still complies; see split load and dual RCD consumer units for the difference.
Why the certificate matters later
When a Cults house is sold or let, solicitors, letting agents and insurers ask what was done to the wiring and who did it. An Electrical Installation Certificate from a NICEIC Approved Contractor answers that. A board fitted with no certificate leaves them nothing to go on.
Ask us a questionHave your Cults board changed and certified
Mention any shower, charger or heat pump you have in mind and we size the board for it now.
Can you get a free consumer unit replacement in Cults?
Not for the consumer unit itself, as far as we can find. What is often free is a bigger main fuse from SSEN, which is a different part of the supply.
Government funding
We looked at the Home Energy Scotland funding page on 6 October 2026. It is the main door to Scottish Government help with the home, and its grants, loans and Warmer Homes Scotland support are aimed at insulation, heating and heat pumps. Consumer units and wiring do not appear. If anyone offers a Cults household a free board through a grant, ask which scheme pays and check with Home Energy Scotland before agreeing.
The main fuse upgrade from SSEN
Cults is on SSEN's network. SSEN's own FAQ says older properties often have 30A or 60A fuses and that it can upgrade these to an 80A or 100A fuse free of charge. You ask SSEN for it yourself. At the survey we read the rating on your cut out and tell you if an application makes sense before a charger, a shower or a heat pump.
Who owns what by your meter
- SSEN: the sealed cut out and its main fuse.
- Your energy supplier: the meter.
- You: the tails, every consumer unit in the house and the circuits beyond them. Those are what we replace.
If SSEN or the supplier must act first, we tell you at the survey rather than on the day.
Ask about your supplyHow often should a consumer unit be replaced?
There is no set number of years. We know of no age in BS 7671 at which a sound board must come out, so a consumer unit is replaced on condition: no residual current protection, fuse wire, heat damage, or no room for a circuit you need.
How to find out where your board stands
A board can look tidy and still be missing protection, or look dated and be perfectly sound. If you want a written answer on the whole installation before deciding, an EICR in Cults gives you one. If the report points at the board, we price the replacement from what it found.
Letting a flat or house in Cults
The Repairing Standard guidance sets a minimum at paragraph D.55:
"there must be one or more Residual Current Device (RCD) with rated residual operating current not exceeding 30 mA in the main or principal consumer unit. Normally, as a minimum, this will cover the socket-outlet circuit."
Source: Repairing Standard statutory guidance, Annex D3. A board with no RCD at all needs work; a split load board with RCD cover on the sockets will generally satisfy it.
A new consumer unit for an EV charger in Cults
A charger only forces a board change when there is no free way, no suitable protection for its circuit, or not enough supply for the extra load.
Plenty of Cults houses have the private drive that makes home charging easy, and many boards can take a charger circuit as they stand or with a small dedicated unit beside them. Where the main board has to go, fitting it with the charger on one visit costs £750 to £1,000 + VAT and spares you a second shutdown. How we make that call is set out in our article on a consumer unit upgrade for an EV charger, and the charger itself is covered on our EV charger installation in Cults page.
Before you add a big load
- Which board will the new circuit come from, and does it have a free way?
- What device protects that circuit?
- Will the main fuse cope with it running alongside the rest of the house?
In a house with several boards, the answer to the first question decides the rest. Our written quotes cover all three.
Who replaces consumer units in Cults for us
Our own team: Steven Watt leads it, with Callum working alongside him, and you know who is coming before the day.
Faithful Spark Electricians Ltd is a NICEIC Approved Contractor (enrolment 620239) and TrustMark registered (licence 4205123), with £2M public liability cover. Steven's City and Guilds awards are 2365-03 in electrical installations, 2382-22 in the BS 7671 wiring regulations and 2391-52 in inspection and testing, the qualification behind the readings on your certificate.
For lighting, sockets, faults and the rest of the work a Cults home needs, see our electrician in Cults page.



Check our entry on the NICEIC register before you book.
Fuse box upgrades across Cults and lower Deeside
Cults sits on the A93 on the north bank of the Dee, in Aberdeen City despite its village feel. We have no office here; the team travels from 17 Thomson Road, Peterhead, on the far side of Aberdeen, so Cults work is planned into the diary and you are given a firm date. Whether any travel charge applies to your address is confirmed when you book, never added afterwards.
- Cults, AB15
- North Deeside Road
- Pitfodels
- Bieldside
- Milltimber, AB13
Elsewhere in the city, see our consumer unit upgrade in Aberdeen page.
Rated 5.0 across more than 100 Google reviews
Two reviews copied word for word, labelled with the towns the customers gave. Neither is a Cults job. Read our Google reviews or read more customer reviews.
"Have used these guys in the past doing my re-wiring & Consumer Unit. They Complete the job quickly and efficiently without any delays. Highly recommended."
"A really good electrician efficient & fast who has magical skills at sorting out my electrical fault. Grateful to this electrician as no other electrician could attend."
Consumer unit questions from Cults
Something else? Call 07304 027013 or send us a message.
How much does it cost to replace a consumer unit in Cults?
From £550 + VAT for one board in a typical Cults house or flat, with about £950 + VAT as the guide for a large board with many circuits. A second board or sub board is priced after the survey. Board and EV charger together cost £750 to £1,000 + VAT, a surge protection device £40 to £80 + VAT, and each additional RCBO £25 to £30 + VAT plus fitting.
Is it illegal to replace your own consumer unit in Scotland?
No Scottish law singles out the consumer unit, and Part P does not apply here. The finished work must still meet building standard 4.5, which looks to BS 7671 and to people with the right knowledge and experience. Safe isolation means drawing SSEN's sealed main fuse, which is not the owner's to remove, and without tests recorded on an Electrical Installation Certificate there is nothing to show a buyer, insurer or letting agent.
Can I get a free fuse box replacement from the government?
We have not found a scheme that pays for a consumer unit by itself. The Home Energy Scotland funding page, checked on 6 October 2026, covers insulation, heating and heat pumps rather than wiring. If a free board is offered through a grant, ask which scheme is paying and confirm it with Home Energy Scotland.
Are main fuse upgrades free in Cults?
Often, yes. SSEN, the network operator for Cults, says older properties often have 30A or 60A fuses and that it can upgrade these to 80A or 100A free of charge. That is the sealed fuse on the incoming supply. Your consumer unit is your own equipment, and replacing it starts at £550 + VAT with us.
How often should a consumer unit be replaced?
There is no fixed interval. A board comes out when it lacks residual current protection, uses fuse wire, shows heat damage or has no room for a circuit you need. A periodic inspection of the wiring is the way to find out, and we price a replacement from what it shows.
How long does a consumer unit replacement take?
One working day for a single board in a typical Cults house, with the power off for roughly 4 to 6 hours. Each extra board, new tails or bonding work adds time, and the survey tells you how much before the day.
My Cults villa still has fuse wire. Is that dangerous?
It is not illegal in a home you own, but fuse wire gives no protection against current leaking to earth, which is what protects a person from a shock. In a period house with cable from several decades that is the main reason to change it. We test the existing circuits first, so you know the state of the cables as well as the board.
Our house has two or three fuse boards. Do they all need replacing?
Not necessarily. We check what each board feeds, whether residual current protection covers every circuit and how the total load sits against the main fuse. You get a price for each board, so the one causing trouble can be done first.
Does a plastic consumer unit have to be replaced?
No. Under BS 7671:2018+A4:2026 a new consumer unit in a home must have a non combustible, in practice metal, enclosure, but an existing plastic board is not a defect for that reason alone.
Do I need a new consumer unit for an EV charger?
Not always. It depends on a free way, suitable protection for the charger circuit and enough supply for the added load, and a small dedicated unit is sometimes enough. Where the main board has to change too, board and charger together cost £750 to £1,000 + VAT.
Is Cults in Aberdeen City or Aberdeenshire?
Aberdeen City. Cults has an AB15 postcode and lies on North Deeside Road west of the city centre, so Aberdeen City Council is its building standards authority. A like for like board replacement needs no building warrant, but it still has to meet the building regulations.
Get a price for your Cults consumer unit
Phone 07304 027013 or fill in the form with the AB15 address, how many boards the house has and roughly where they sit. We survey free and send a fixed written price within one working day. If your board turns out to be sound, we will say so.
Last updated 6 October 2026.
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Faithful Spark Electricians Ltd · 17 Thomson Road, Peterhead, Aberdeenshire, Scotland, AB42 3FJ · Consumer unit replacement and fuse box upgrades in Cults, AB15 · NICEIC Approved Contractor 620239 · TrustMark Registered 4205123 · City and Guilds 2365-03, 2382-22, 2391-52 · BS 7671:2018+A4:2026 · £2M public liability · Company SC821028 · VAT 503 6560 13