{"id":410394,"date":"2026-02-18T10:58:59","date_gmt":"2026-02-18T08:58:59","guid":{"rendered":"https:\/\/www.cityengineering.gr\/texnikh_vivliothiki\/radical-home-renovation-what-you-need-to-know\/"},"modified":"2026-02-18T10:58:59","modified_gmt":"2026-02-18T08:58:59","slug":"radical-home-renovation-what-you-need-to-know","status":"publish","type":"texnikh_vivliothiki","link":"https:\/\/www.cityengineering.gr\/en\/texnikh_vivliothiki\/radical-home-renovation-what-you-need-to-know\/","title":{"rendered":"Radical Home Renovation: What You Need to Know"},"content":{"rendered":"<div class=\"wpb-content-wrapper\" id=\"wpb-content-root\"><p>[vc_row type=&#8221;vc_default&#8221; el_id=&#8221;eidhseis-tile&#8221;][vc_column][vc_column_text]Radical Home Renovation: What You Need to Know[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=&#8221;vc_default&#8221; el_class=&#8221;#eidhseis-img&#8221; el_id=&#8221;eidhseis-img&#8221;][vc_column][vc_single_image image=&#8221;402970&#8243; img_size=&#8221;full&#8221;][\/vc_column][\/vc_row][vc_row type=&#8221;vc_default&#8221; el_id=&#8221;eidhseis-text&#8221;][vc_column][vc_column_text]The need for energy upgrades and functional renovations of old apartments and houses in Greece is more pressing than ever. The &#8220;Exoikonomo&#8221; programs have given a significant boost to renovations, as they cover a significant percentage of the required work, reducing costs for the owner and encouraging investment in infrastructure and energy.[\/vc_column_text][vc_empty_space][vc_custom_heading text=&#8221;What is radical renovation according to urban planning?&#8221; font_container=&#8221;tag:h4|text_align:left&#8221; use_theme_fonts=&#8221;yes&#8221;][vc_column_text]A radical renovation (or large-scale renovation) is defined as a case where the total expenditure on the building envelope and technical systems exceeds 25% of the current value of the property, based on the minimum construction cost (excluding the value of the land).[\/vc_column_text][vc_custom_heading text=&#8221;What does a complete root canal treatment involve?&#8221; font_container=&#8221;tag:h4|text_align:left&#8221; use_theme_fonts=&#8221;yes&#8221;][vc_column_text]This type of renovation mainly concerns old buildings and apartments that are not considered suitable for habitation without significant intervention.<\/p>\n<p>The main tasks include:<\/p>\n<ul>\n<li>Interior remodeling: layout changes, demolition\/construction of walls (with structural stability checks)<\/li>\n<li>Static reinforcement of load-bearing structures, where required<\/li>\n<li>Bathroom and kitchen renovation: new plumbing, tile installation, new furniture and equipment<\/li>\n<li>Floor replacement<\/li>\n<li>Repair and thermal insulation of roofs or flat roofs<\/li>\n<li>Installation of new electrical and plumbing systems<\/li>\n<\/ul>\n<p>Critical points for the owner:<\/p>\n<ul>\n<li>Engineer present: Any work on structural elements (walls, beams) requires inspection by a civil engineer\u2014mistakes can compromise safety.<\/li>\n<li>Permits: The interventions determine whether a Small-Scale Permit or a full Building Permit is required.<\/li>\n<li>Electrical and mechanical networks: Old ones need to be replaced\u2014patches cost more in the long run.<\/li>\n<li>Common areas: Any changes require the consent of co-owners and possibly urban planning approval.<\/li>\n<\/ul>\n<p>Renovation Stages:<\/p>\n<ul>\n<li>Requirements &amp; Budget<\/li>\n<li>Architectural &amp; technical design with mechanical engineer<\/li>\n<li>Time &amp; financial planning<\/li>\n<li>Issuance of required permits<\/li>\n<li>Implementation of tasks \u2013 project supervision<\/li>\n<li>Delivery &amp; quality control<\/li>\n<\/ul>\n<p>Calculation of building value for classification of renovation as &#8220;radical&#8221;<\/p>\n<p>The value is based on the calculation of Construction Cost \u00d7 Useful Area, in accordance with KENAK and YPEN 6949\/72\/FEK 408\/B\/2019.[\/vc_column_text][vc_custom_heading text=&#8221;What type permit is required?&#8221; font_container=&#8221;tag:h4|text_align:left&#8221; use_theme_fonts=&#8221;yes&#8221;][vc_column_text]<\/p>\n<ul>\n<li>Small-scale permit: For individual, non-permanent interventions<\/li>\n<li>Building Permit: For extensive work, new networks, static reinforcements, etc.<\/li>\n<\/ul>\n<p>The process is carried out electronically through the Building Authority, with a deposit by an authorized engineer.<\/p>\n<p>At City Engineering, we undertake the entire process of designing, licensing, and executing radical renovations in accordance with applicable legislation and best technical practices.<\/p>\n<p><a href=\"https:\/\/www.cityengineering.gr\/en\/contact\/\">Contact us<\/a> for an on-site assessment and a quote.[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>The need for energy upgrades and functional renovations of old apartments and houses in Greece is more urgent than ever.<\/p>\n","protected":false},"featured_media":0,"menu_order":0,"template":"","class_list":["post-410394","texnikh_vivliothiki","type-texnikh_vivliothiki","status-publish","hentry","description-off"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/www.cityengineering.gr\/en\/texnikh_vivliothiki\/radical-home-renovation-what-you-need-to-know\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.1.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"CITY ENGINEERING |\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Radical Home Renovation: What You Need to Know | CITY ENGINEERING\" \/>\n\t\t<meta property=\"og:url\" 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