Official website
Open company websiteSourceReviewed 2026-09-10
COMPANY RECORD № 558

An online starting point.
A general customer-service telephone number is not confirmed in this record. Use the company’s own contact route for current options.
The available routes for National Grid are listed with the context needed to choose between them. For a home visit, clarify the scope and cost before making an appointment. Any transaction remains between you and the company or seller.
SourceReviewed 2026-09-10
02 / BEFORE YOU CONTACT
The retailer and manufacturer may handle different parts of a request.
Keep the model information and purchase proof for a product question.
For a home visit, clarify the scope and cost before making an appointment.
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Read the original material when a deadline, availability or eligibility decision matters.
Source-review dates describe an evidence check, not a test call. Contact availability may change. Editorial text updated 2026-10-24.
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