{"id":25991,"date":"2025-12-21T02:23:13","date_gmt":"2025-12-21T02:23:13","guid":{"rendered":"https:\/\/british-builders.co.uk\/?p=25991"},"modified":"2025-12-23T01:18:16","modified_gmt":"2025-12-23T01:18:16","slug":"ceiling-insulation-energy-efficiency-upgrade-cosham-portsmouth","status":"publish","type":"post","link":"https:\/\/british-builders.com\/?p=25991","title":{"rendered":"Ceiling Insulation &#038; Energy Efficiency Upgrade \u2014 Cosham, Portsmouth"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row css=&#8221;.vc_custom_1746928343183{margin-top: 25px !important;margin-bottom: 35px !important;}&#8221;][vc_column][vc_column_text css=&#8221;&#8221; el_class=&#8221;title-project-post&#8221;][\/vc_column_text][vc_column_text css_animation=&#8221;fadeIn&#8221; css=&#8221;&#8221;]<\/p>\n<section class=\"bm-project\" aria-label=\"Project details and client feedback\">\n<div class=\"bm-grid\">\n<article class=\"bm-card\" aria-labelledby=\"bm-title-details\">\n<div class=\"bm-figure bm-figure-mobile\"><img decoding=\"async\" class=\"bm-photo\" style=\"width: 100%; max-width: 620px; height: auto;\" src=\"https:\/\/british-builders.co.uk\/wp-content\/uploads\/2025\/12\/project_cover222.jpg\" alt=\"Balham High Road, London, Conversion and Extension\" \/><\/div>\n<div class=\"grid-card-list\">\n<h1 id=\"bm-title-details\" class=\"bm-title\" style=\"text-align: center;\">Ceiling Insulation<br class=\"\" \/>&amp; Energy Efficiency Upgrade<\/h1>\n<ul class=\"bm-list\">\n<li class=\"bm-item\">\n<div class=\"text-wrapp\"><span class=\"bm-label\">Location <\/span><span class=\"bm-value\">Cosham, Portsmouth<\/span><\/div>\n<\/li>\n<li class=\"bm-item\">\n<div class=\"text-wrapp\"><span class=\"bm-label\">Duration<\/span><br \/>\n<span class=\"bm-value\">22 Days<\/span><\/div>\n<\/li>\n<li class=\"bm-item\">\n<div class=\"text-wrapp\"><span class=\"bm-label\">Contract Value<\/span><br \/>\n<span class=\"bm-value\">\u00a3 TBA<\/span><\/div>\n<\/li>\n<\/ul>\n<\/div>\n<div class=\"bm-feedback\">\n<p class=\"bm-cap\">Client Feedback<\/p>\n<p class=\"bm-quote\">&#8220;I need to express gratitude toward and saluting the British Builders company on your achievements. The London conversion and extension for us and this office move is of critical significance to our Company and our employees. You all have contributed to make a superb space for our workers to work with one another and have made the method to date smooth for us. Thank you and I trust you\u2019re pleased with your endeavours and accomplishments.&#8221;<\/p>\n<\/div>\n<\/article>\n<div class=\"bm-figure bm-figure-desktop\"><img decoding=\"async\" class=\"bm-photo\" style=\"width: 100%; max-width: 620px; height: auto;\" src=\"https:\/\/british-builders.co.uk\/wp-content\/uploads\/2025\/12\/project_cover222.jpg\" alt=\"Balham High Road, London, Conversion and Extension\" \/><\/div>\n<\/div>\n<\/section>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row css_animation=&#8221;fadeIn&#8221;][vc_column][vc_column_text css=&#8221;&#8221; el_class=&#8221;before-after&#8221;][\/vc_column_text][vc_images_carousel images=&#8221;26024,26014,26013,26012,26011,26010,26009,26008,26007,26006,26005,26004,26003,26002,26001,26000,25999,25998,25997,25996,25995&#8243; img_size=&#8221;250&#8243; slides_per_view=&#8221;4&#8243; hide_pagination_control=&#8221;yes&#8221; css=&#8221;.vc_custom_1766451804720{margin-top: 40px !important;}&#8221; title=&#8221;Project Gallery&#8221; el_id=&#8221;project_gallery_slider&#8221; el_class=&#8221;sliders_balham&#8221;][vc_column_text css=&#8221;&#8221; el_class=&#8221;project-overview-text&#8221;]<\/p>\n<h2>Ceiling Insulation &amp; Energy Efficiency Upgrade \u2014 Cosham, Portsmouth<\/h2>\n<p>&nbsp;<\/p>\n<h3><strong>Project Overview<\/strong><\/h3>\n<p><br class=\"\" \/>British Builders was appointed by Birnbeck Housing Association to deliver a full-property ceiling insulation and thermal efficiency upgrade at a residential property in Cosham, Portsmouth. The project formed part of the housing association\u2019s energy-efficiency improvement programme, with the objective of enhancing thermal performance, reducing heat loss, and improving internal finishes throughout the home. All works were required to meet current building regulations and energy-efficiency standards while minimising disruption to the occupants.<br \/>\n<br class=\"\" \/><\/p>\n<h3><strong>Scope of Work<\/strong><\/h3>\n<p><br class=\"\" \/>\u25cf Site setup and safe working arrangements<br \/>\n<br class=\"\" \/>\u25cf Supply and installation of 150mm Rockwool insulation between ceiling joists throughout the property<br \/>\n<br class=\"\" \/>\u25cf Reboarding of all identified ceilings using 12mm plasterboard, mechanically fixed with 38mm drywall screws to ensure strength and compliance<br \/>\n<br class=\"\" \/>\u25cf Application of a full skim coat plaster finish to all newly boarded ceilings, providing smooth, paint-ready surfaces<br \/>\n<br class=\"\" \/>\u25cf Sealing of all ceiling perimeters with flexible, paintable sealant to reduce air leakage and improve thermal efficiency<br \/>\n<br class=\"\" \/>\u25cf Full loft insulation upgrade, including an additional 200mm top-up layer, achieving a combined insulation depth of approximately 350mm in line with current energy-efficiency recommendations<br \/>\n<br class=\"\" \/>\u25cf Associated ceiling patch repairs, corner detailing, and edge finishing to ensure a consistent, high-quality finish<br \/>\n<br class=\"\" \/>\u25cf Garage roof repairs to address potential water ingress and improve long-term weather resistance<br \/>\n<br class=\"\" \/>\u25cf Removal of all waste materials and responsible disposal<br \/>\n<br class=\"\" \/>\u25cf Final clean-down, leaving all areas safe and ready for decoration<br \/>\n<br class=\"\" \/><br class=\"\" \/><\/p>\n<h3><strong>Areas Covered<\/strong><\/h3>\n<p><br class=\"\" \/>\u25cf Garage ceiling<br \/>\n<br class=\"\" \/>\u25cf Loft room<br \/>\n<br class=\"\" \/>\u25cf Back bedroom<br \/>\n<br class=\"\" \/>\u25cf Bathroom<br \/>\n<br class=\"\" \/>\u25cf Front bedroom<br \/>\n<br class=\"\" \/>\u25cf Living room<br \/>\n<br class=\"\" \/>\u25cf Kitchen<br \/>\n<br class=\"\" \/>\u25cf Hallway and stairs (three levels)<br \/>\n<br class=\"\" \/>\u25cf Downstairs W\/C<br \/>\n<br class=\"\" \/>\u25cf Airing cupboard<br \/>\n<br class=\"\" \/>\u25cf Loft (overlay insulation)<br \/>\n<br class=\"\" \/><br class=\"\" \/><\/p>\n<h3>Challenges &amp; Solutions<\/h3>\n<p><br class=\"\" \/><strong>Working within occupied accommodation<\/strong><br \/>\nThe property remained in use during the works. Our team carefully phased activities room-by-room, maintaining cleanliness and safety while ensuring minimal disruption to the residents.<br \/>\n<br class=\"\" \/><strong>Achieving compliance across multiple ceiling types<\/strong><br \/>\nThe property contained varying ceiling structures across different levels. We tailored fixing methods and insulation installation techniques to each area, ensuring consistent compliance, strength, and performance throughout.<br \/>\n<br class=\"\" \/><strong>Energy-efficiency targets<\/strong><br \/>\nTo meet current best-practice standards, we installed a combined 350mm of loft insulation and implemented full air-sealing to ceiling perimeters, significantly reducing heat loss and improving thermal retention.<br \/>\n<br class=\"\" \/><\/p>\n<h3><strong>Final Outcome<\/strong><\/h3>\n<p><br class=\"\" \/>All approved insulation, ceiling upgrade, plastering, and garage roof repair works were completed successfully and to a high professional standard. The property now benefits from significantly improved thermal and acoustic<br \/>\nperformance, smooth and uniform ceiling finishes, and enhanced energy efficiency throughout.<br \/>\n<br class=\"\" \/>All works were completed in line with the agreed scope, current building regulations, and housing association standards. The site was left clean, safe, and ready for final decoration, with waste materials fully removed and disposed of responsibly.<br \/>\n<br class=\"\" \/><\/p>\n<h3><strong>Client Feedback<\/strong><\/h3>\n<p><br class=\"\" \/>\u201cI am happy with the work undertaken today by British Builders and confirm the works were completed to a high<br \/>\nstandard.\u201d \u2013 Mark Vokes[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text css=&#8221;&#8221;]<\/p>\n<section class=\"button-inspection-section\"><a href=\"https:\/\/docs.google.com\/forms\/d\/e\/1FAIpQLSc7mzBoWZvFcULRiQ_wr6bSBYvSXWCVmYy6ev_DP5pJmxFTGw\/viewform?usp=header\" target=\"_blank\" rel=\"noopener\"><button class=\"my_but book-free-inspection\">Book Free Inspection<\/button><\/a><a href=\"\/projects\"><button class=\"my_but book-free-inspection\">See Similar Projects<\/button><\/a><\/section>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=&#8221;clients-say-slider-project&#8221; css=&#8221;.vc_custom_1763477728634{margin-right: -50% !important;margin-left: -50% !important;background-color: #EBF1FA !important;}&#8221;][vc_column][vc_column_text css=&#8221;&#8221;]<\/p>\n<h2 style=\"text-align: center;\">What Our Clients Say on Trustpilot<\/h2>\n<p>[\/vc_column_text][vc_column_text css=&#8221;&#8221;]<\/p>\n<h5 style=\"text-align: center;\">Read verified reviews from landlords, agencies, and homeowners who trust us for quality maintenance and construction services<\/h5>\n<p>[\/vc_column_text][vc_column_text css=&#8221;&#8221;]<a href=\"https:\/\/www.trustpilot.com\/review\/british-builders.com\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-20648 aligncenter\" src=\"https:\/\/british-builders.co.uk\/wp-content\/uploads\/2025\/10\/ChatGPT-Image-Oct-23-2025-05_48_45-PM-e1761231532796.png\" alt=\"trustpilot feedback icon\" width=\"300\" height=\"300\" \/><\/a>[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row css=&#8221;.vc_custom_1746928343183{margin-top: 25px !important;margin-bottom: 35px !important;}&#8221;][vc_column][vc_column_text css=&#8221;&#8221; el_class=&#8221;title-project-post&#8221;][\/vc_column_text][vc_column_text css_animation=&#8221;fadeIn&#8221; css=&#8221;&#8221;] Ceiling Insulation&amp; Energy Efficiency Upgrade Location Cosham, Portsmouth Duration 22 Days Contract Value \u00a3 TBA Client Feedback &#8220;I need to express gratitude toward and saluting the British Builders company on your achievements. The London conversion and extension for us and this office move is of&hellip; <a class=\"more-link\" href=\"https:\/\/british-builders.com\/?p=25991\">Continue reading <span class=\"screen-reader-text\">Ceiling Insulation &#038; Energy Efficiency Upgrade \u2014 Cosham, Portsmouth<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":25996,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-25991","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-project","entry"],"_links":{"self":[{"href":"https:\/\/british-builders.com\/index.php?rest_route=\/wp\/v2\/posts\/25991","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/british-builders.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/british-builders.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/british-builders.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/british-builders.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=25991"}],"version-history":[{"count":44,"href":"https:\/\/british-builders.com\/index.php?rest_route=\/wp\/v2\/posts\/25991\/revisions"}],"predecessor-version":[{"id":26159,"href":"https:\/\/british-builders.com\/index.php?rest_route=\/wp\/v2\/posts\/25991\/revisions\/26159"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/british-builders.com\/index.php?rest_route=\/wp\/v2\/media\/25996"}],"wp:attachment":[{"href":"https:\/\/british-builders.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=25991"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/british-builders.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=25991"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/british-builders.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=25991"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}