Are your engineers Gas Safe registered?<\/strong>\u00a0<\/strong> Yes. All our engineers are Gas Safe registered and accredited installers for Worcester Bosch and Vaillant boilers, so you\u2019re covered by both the law and the manufacturer\u2019s warranty terms.\u00a0<\/p> <\/div> <\/div>\n<\/body>","protected":false},"excerpt":{"rendered":"
It\u2019s one of the first questions every London homeowner asks once they\u00a0have decided to replace their boiler: will you have to rip out the radiators and pipework too, or can they stay exactly as they are? It\u2019s a fair worry. Nobody wants a \u201csimple boiler swap\u201d turning into weeks of disruption and an unexpectedly large … Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":883,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[64],"tags":[27,33],"class_list":["post-882","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-boiler-services-london","tag-boiler-installation-in-london","tag-boiler-services-london"],"yoast_head":"\nWill My Radiators & Pipework Work With a New Boiler?<\/title>\n<meta name=\"description\" content=\"Will your existing radiators and pipework work with a new boiler? 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new Worcester Bosch boiler?\u00a0","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"In most like-for-like replacements, yes. Your engineer will check your pipe sizing and radiator condition during the survey. If there's a build-up of sludge or debris, a power flush and magnetic filter are usually recommended to protect the new boiler and keep the warranty valid.\u00a0","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.boilerserviceslondon.co.uk\/blog\/will-my-existing-radiators-and-pipework-work-with-the-new-boiler\/#faq-question-1790172355454","position":2,"url":"https:\/\/www.boilerserviceslondon.co.uk\/blog\/will-my-existing-radiators-and-pipework-work-with-the-new-boiler\/#faq-question-1790172355454","name":"How long does a boiler installation take in London?\u00a0","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"A standard combi boiler swap usually takes one day. More involved jobs, such as converting boiler types or relocating the unit, can take one to two days depending on the pipework and flue changes needed.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.boilerserviceslondon.co.uk\/blog\/will-my-existing-radiators-and-pipework-work-with-the-new-boiler\/#faq-question-1790172370815","position":3,"url":"https:\/\/www.boilerserviceslondon.co.uk\/blog\/will-my-existing-radiators-and-pipework-work-with-the-new-boiler\/#faq-question-1790172370815","name":"Can I really get a same day boiler replacement in London?\u00a0","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Yes, this is often possible for straightforward combi-to-combi swaps where stock and access allow it. Emergency no heating or hot water situations are usually given priority for same day slots.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.boilerserviceslondon.co.uk\/blog\/will-my-existing-radiators-and-pipework-work-with-the-new-boiler\/#faq-question-1790172381947","position":4,"url":"https:\/\/www.boilerserviceslondon.co.uk\/blog\/will-my-existing-radiators-and-pipework-work-with-the-new-boiler\/#faq-question-1790172381947","name":"How much does a Worcester Bosch boiler installation cost in London?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Costs generally range from around \u00a31,800 to \u00a34,500, depending on the boiler output, whether pipework needs altering, and the complexity of the job. A fixed quote based on your property is the only accurate way to know your price.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.boilerserviceslondon.co.uk\/blog\/will-my-existing-radiators-and-pipework-work-with-the-new-boiler\/#faq-question-1790172402115","position":5,"url":"https:\/\/www.boilerserviceslondon.co.uk\/blog\/will-my-existing-radiators-and-pipework-work-with-the-new-boiler\/#faq-question-1790172402115","name":"Are your engineers Gas Safe registered?\u00a0","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Yes. All our engineers are Gas Safe registered and accredited installers for Worcester Bosch and Vaillant boilers, so you're covered by both the law and the manufacturer's warranty terms.\u00a0","inLanguage":"en-US"},"inLanguage":"en-US"}]}},"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.boilerserviceslondon.co.uk\/blog\/wp-content\/uploads\/2026\/09\/Boiler-Repair-London-1.png?fit=1280%2C720&ssl=1","_links":{"self":[{"href":"https:\/\/www.boilerserviceslondon.co.uk\/blog\/wp-json\/wp\/v2\/posts\/882","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.boilerserviceslondon.co.uk\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.boilerserviceslondon.co.uk\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.boilerserviceslondon.co.uk\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.boilerserviceslondon.co.uk\/blog\/wp-json\/wp\/v2\/comments?post=882"}],"version-history":[{"count":1,"href":"https:\/\/www.boilerserviceslondon.co.uk\/blog\/wp-json\/wp\/v2\/posts\/882\/revisions"}],"predecessor-version":[{"id":884,"href":"https:\/\/www.boilerserviceslondon.co.uk\/blog\/wp-json\/wp\/v2\/posts\/882\/revisions\/884"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.boilerserviceslondon.co.uk\/blog\/wp-json\/wp\/v2\/media\/883"}],"wp:attachment":[{"href":"https:\/\/www.boilerserviceslondon.co.uk\/blog\/wp-json\/wp\/v2\/media?parent=882"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.boilerserviceslondon.co.uk\/blog\/wp-json\/wp\/v2\/categories?post=882"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.boilerserviceslondon.co.uk\/blog\/wp-json\/wp\/v2\/tags?post=882"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}