Detailed breakdown of retail shop electrical fit-out costs in the UK for 2025 — small retail unit from £3,000, display lighting, till points and EPoS power, CCTV and security, emergency lighting to BS 5266, fire alarm systems to BS 5839, and Building Regulations compliance.
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Written and reviewed by Andrew Moore, founder of Elec-Mate, against BS 7671:2018+A4:2026, IET Guidance Note 3 and the IET On-Site Guide.
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A retail electrical fit-out covers everything from the main supply connection through to display lighting, till points, CCTV, and security systems. Retail is a demanding environment — lighting has a direct impact on sales, systems must be reliable, and regulatory compliance (emergency lighting, fire alarms) is non-negotiable. Getting the electrical specification right from the start saves significant cost and disruption compared with retrofitting inadequate systems.
These figures cover the electrical installation only and do not include the cost of the HVAC system, kitchen or café fit-out, or shopfront signage — which are typically priced as separate packages.
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Breaking down the cost by work package helps with budget planning and tender preparation.
Lighting is one of the most powerful merchandising tools in retail. Well-designed lighting increases dwell time, improves product perception, and directly drives sales. It is also one of the most significant electrical cost elements in a retail fit-out.
Every till point requires both power and data. Poor provision of power and data at till positions is a common failure in retail fit-outs, leading to unsightly trailing extension leads and unreliable EPoS systems.
Retail CCTV and intruder alarm systems are a standard requirement for most commercial insurers and are a sensible investment for any retail business. The electrical contractor typically installs CCTV alongside the main electrical fit-out, reducing labour costs.
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Emergency lighting and fire alarm systems are legal requirements in retail premises and must be installed and commissioned by a competent person. They are non-negotiable elements of any retail electrical fit-out.
Retail premises are commercial buildings and are not subject to Part P of the Building Regulations (which applies only to domestic dwellings). The key regulatory frameworks for retail electrical work are:
Retail fit-out work is fast-paced and deadline-driven — shop openings are often tied to lease commencement dates. Electricians who can work efficiently within a tight programme, co-ordinate with shopfitters and AV contractors, and deliver all required certification on time win repeat business from retail clients and fit-out contractors.
Retail clients often have a clear idea of the lighting effect they want but no idea what it costs. Build a detailed lighting schedule — number of tracks, number of spot heads per track, driver specifications — and price it accurately using the quoting app. A detailed quote wins trust and avoids scope creep disputes.
Retail clients need the EIC, emergency lighting commissioning certificate, and fire alarm commissioning certificate on the day the shop opens — not two weeks later. Complete all paperwork on site using Elec-Mate and hand over the full documentation package before you leave.
Create professional itemised retail electrical fit-out quotes with display lighting, till points, CCTV, emergency lighting, and fire alarm costs.
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