Warmup specialises in advanced underfloor heating systems for residential and commercial applications. They offer a range of innovative products designed for efficient and comfortable heating solutions. Discover Warmup’s underfloor heating systems at Electrical4Less, your trusted electrical online supplier.
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We’re an independent electrical trade counter and online supplier based in Fulham, London SW6 1RP. Every day we support local electricians and construction sites with fast, reliable supply of trusted products. Whether you need same-day collection, local delivery, or next-day courier across the UK, we make it happen without the hassle. Overseas orders? No problem — we’ve got you covered.
As proud members of the Independent Buying Association (IBA) and the Electrical Distributors’ Association (EDA), we’re connected to over 100+ approved UK suppliers. That means the buying power of a national wholesaler with the flexibility and personal service of an independent.
Membership gives us more than sharp pricing — it guarantees professional standards, compliance, and best practice, so you can trust every order meets industry requirements.
We’re not a faceless website or call centre — we’re a hands-on team who pick up the phone, answer WhatsApp, and actually listen. No bureaucracy, no endless forms. Just people ready to help you get the job done, quickly and reliably.
Proudly serving electricians and construction projects across Fulham, Chelsea, and the wider London area — and nationwide with fast next-day delivery by courier.
📲 Need something sorted fast? Message us on WhatsApp at 07926 999 412 — no waiting, no hassle, just answers.
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!
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.
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.
No problem — message us directly on WhatsApp and we’ll help you out.
We usually respond within minutes during working hours.
