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    Electrical4less Reviews 4.9 Based on 1452 reviews
    UK Mainland Free Delivery £75 + VAT
    30 Day Return Policy
    Next Day Delivery Cut Off Time 3PM*

    230V + 10-Year Backup Alarms

    Our 230V 10-Year Backup Smoke Alarms offer long-term reliability with mains power and a built-in lithium battery for continuous protection during power cuts. Ideal for domestic and commercial installations, they meet UK standards for safety and performance. Choose trusted brands like Aico and ESP for durable, compliant, and easy-to-install fire safety solutions. Return to our full range of domestic Smoke Alarms for more options.

    ESP ES1SLV Espire Optical Smoke Alarm Powered by Mains with a 10 Year Lithium Battery

    ESP ES1SLV Espire Optical Smoke Alarm Powered by Mains with a 10 Year Lithium Battery
    11 in stock
    More available within 1 - 3 working days *
    SKU: ES1SLV
    £30.79
    ESP ES1HLV Espire Heat Alarm Powered by Mains with 10 Year Lithium Battery

    ESP ES1HLV Espire Heat Alarm Powered by Mains with 10 Year Lithium Battery
    1 in stock
    More available within 1 - 3 working days *
    SKU: ES1HLV
    £32.05
    ESP ES1CLV Espire Carbon Monoxide Alarm Powered by Mains with 10 Year Battery

    ESP ES1CLV Espire Carbon Monoxide Alarm Powered by Mains with 10 Year Battery
    Delivery usually within 1 - 3 working days *
    SKU: ES1CLV
    £38.85
    ESP ES1MULV Espire Smoke and Heat Multi-Sensor Alarm - Powered by Mains with 10 Year BatteryESP ES1MULV Espire Smoke and Heat Multi-Sensor Alarm - Powered by Mains with 10 Year Battery 2

    ESP ES1MULV Espire Smoke and Heat Multi-Sensor Alarm – Powered by Mains with 10 Year Battery
    2 in stock
    More available within 1 - 3 working days *
    SKU: ES1MULV
    £41.29
    ESP ES1CHLV Espire Carbon Monoxide and Heat Multi-Sensor Alarm Powered by Mains with 10 Year Battery

    ESP ES1CHLV Espire Carbon Monoxide and Heat Multi-Sensor Alarm Powered by Mains with 10 Year Battery
    1 in stock
    More available within 1 - 3 working days *
    SKU: ES1CHLV
    £50.94
    Aico Ei3014 Heat AlarmAico Ei3014 Heat Alarm 2

    Aico Ei3014 Heat Alarm
    12 in stock
    More available within 1 - 3 working days *
    SKU: Ei3014
    £41.50
    Aico Ei3016 Optical Smoke AlarmAico Ei3016 Optical Smoke Alarm 2

    Aico Ei3016 Optical Smoke Alarm
    9 in stock
    More available within 1 - 3 working days *
    SKU: Ei3016
    £41.50
    Aico Ei3018 Carbon Monoxide AlarmAico Ei3018 Carbon Monoxide Alarm 2

    Aico Ei3018 Carbon Monoxide Alarm
    1 in stock
    More available within 1 - 3 working days *
    SKU: Ei3018
    £47.00
    Aico Ei3024 Multi-Sensor Fire AlarmAico Ei3024 Multi-Sensor Fire Alarm 2

    Aico Ei3024 Multi-Sensor Fire Alarm
    2 in stock
    More available within 1 - 3 working days *
    SKU: Ei3024
    £51.90
    Aico Ei3028 Multi-Sensor Heat & CO AlarmAico Ei3028 Multi-Sensor Heat & CO Alarm 2

    Aico Ei3028 Multi-Sensor Heat & CO Alarm
    5 in stock
    More available within 1 - 3 working days *
    SKU: Ei3028
    £72.25
    Aico Ei3030 Multi-Sensor Fire and Carbon Monoxide AlarmAico Ei3030 Multi-Sensor Fire and Carbon Monoxide Alarm 2

    Aico Ei3030 Multi-Sensor Fire and Carbon Monoxide Alarm
    4 in stock
    More available within 1 - 3 working days *
    SKU: Ei3030
    £78.00

    Proudly serving electricians and construction projects across Fulham, Chelsea, and the wider London area — and nationwide with fast next-day delivery by courier.

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    Next Day Delivery

    Cut-Off Time and Order Information
    To ensure your order qualifies for next day delivery, please place your order by 3:00 PM. This is subject to all items being available on the shelf at the time of your order. For orders where the total value exceeds £150 + VAT (double our standard carriage-paid order value of £75 + VAT), we are happy to split the delivery into two shipments if some items are needed urgently and others are not immediately available. If you have any questions or need further assistance, feel free to reach out to us via WhatsApp for live support. We’re here to help!

    In Stock Delivery Policy

    Free Next-Day Delivery Over £75 + VAT:
    Orders above £75 + VAT qualify for free next-day delivery via DPD for in-stock items. While we strive for timely dispatch, we recommend placing orders early to avoid potential delays. Once dispatched, unexpected issues may arise despite the courier’s efforts.

    Orders Below £150 + VAT:
    To keep costs manageable, we dispatch your order once all items are ready, including products with longer lead times.

    Need items faster? You can pay for an additional delivery service to receive in-stock items sooner. Simply email us with your order details, and we’ll send you a payment link for the extra delivery cost.

    Orders Above £150 + VAT:
    For larger orders, we can split delivery at no extra cost. In-stock items will be sent immediately, with the remaining items dispatched once available.

    Backorder Delivery Policy

    Items with Lead Times (e.g., 1–3 Working Days):
    This means we need to source the product from our supplier before sending it to you. The estimated dispatch time is displayed on each product page.

    Out of Stock at Supplier:
    If an item is unavailable at the supplier, we will contact you promptly. You’ll have the option to choose an alternative product or request a full refund.

    Didn't find what you're looking for?

    No problem — message us directly on WhatsApp and we’ll help you out.

    We usually respond within minutes during working hours.

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