- \n
- Top design and product trends for 2025 UK extensions<\/a><\/li>\n\n\n\n
- Ideas for creating more space, light, and flow<\/a><\/li>\n\n\n\n
- Planning permission and cost considerations<\/a><\/li>\n\n\n\n
- FAQs<\/a><\/li>\n<\/ul>\n\n\n\n
(Estimated reading time: 7\u20139 minutes)<\/em><\/p>\n\n\n\n
Introduction <\/h2>\n\n\n\n
Planning a home extension in 2025? You’re not alone. More UK homeowners than ever are choosing to improve rather than move\u2014transforming underused areas into light-filled, open-plan living spaces that better suit their lifestyles. <\/p>\n\n\n\n
Whether you’re dreaming of a larger kitchen, a brighter living area, or a garden-facing family zone, the right extension can completely change how your home feels and functions.<\/p>\n\n\n\n
What\u2019s Driving Extension Trends in 2025?<\/h2>\n\n\n\n
As energy prices fluctuate and lifestyle habits shift, the modern UK homeowner wants an extension that offers:<\/p>\n\n\n\n
- \n
- More natural light to reduce energy use<\/li>\n\n\n\n
- Better indoor-outdoor flow for entertaining and relaxation<\/li>\n\n\n\n
- A multifunctional layout that supports cooking, dining, and lounging<\/li>\n\n\n\n
- Improved thermal performance and sustainability<\/li>\n<\/ul>\n\n\n\n
The best home extension<\/a> ideas don\u2019t just add square footage\u2014they improve the way you live, day in and day out.<\/em><\/p>\n\n\n\n
Extension Design Trends to Watch in 2025<\/h2>\n\n\n\n
Roof Lanterns for Light from Above<\/h3>\n\n\n\n
Roof lanterns<\/a> are one of the biggest trends this year. They flood open-plan spaces with natural light, reduce reliance on artificial lighting, and add a stunning architectural focal point.<\/p>\n\n\n\n
Popular options include:<\/p>\n\n\n\n
- \n
- Korniche Aluminium Roof Lantern<\/a><\/li>\n\n\n\n
- Atlas Contemporary Roof Lantern<\/a><\/li>\n<\/ul>\n\n\n\n
![\"home](\"https:\/\/www.gfdhomes.co.uk\/blog\/wp-content\/uploads\/2025\/04\/S1-Lantern-Kitchen-A-1024x768.jpg\")
Here is a stunning kitchen extension with a large roof lantern installed on the roof. <\/figcaption><\/figure>\n\n\n\n Why homeowners love it:<\/strong> Energy-efficient glazing, clean lines, and a major wow-factor.<\/em><\/p>\n\n\n\n
Slim-Framed Sliding Doors<\/h3>\n\n\n\n
Frameless and panoramic sliding doors<\/a> continue to be a top pick. They allow uninterrupted garden views, improve thermal performance, and help create that coveted indoor-outdoor connection.<\/p>\n\n\n\n
Shop favourites:<\/p>\n\n\n\n
- \n
- Cortizo Cor Vision Sliding Doors<\/a><\/li>\n\n\n\n
- Korniche Cortizo Sliding Doors<\/a><\/li>\n<\/ul>\n\n\n\n
Pro tip:<\/strong> Sliding doors are ideal where bifolds would interrupt furniture layout.<\/em><\/p>\n\n\n\n
Bifold Doors for Open-Plan Flexibility<\/h3>\n\n\n\n
Bifold doors<\/a> are still in demand for homeowners who want to fully open up the rear of their property during warmer months. They stack neatly to one side and offer a clean threshold to the garden.<\/p>\n\n\n\n
Top options include:<\/p>\n\n\n\n
- \n
- Smart Visofold Bi-Fold Doors<\/a><\/li>\n\n\n\n
- Smart Heritage Bifold Doors<\/a><\/li>\n<\/ul>\n\n\n\n
Bifold doors bring the outdoors in\u2014perfect for barbecues, family days, and soaking up the sun.<\/em><\/p>\n\n\n\n
French Doors with a Twist<\/h3>\n\n\n\n
Modern French doors<\/a> with aluminium or heritage finishes are also trending, especially for period properties or smaller extensions (including renovated orangery extensions<\/a>).<\/p>\n\n\n\n
- \n
- Deceuninck uPVC French Doors<\/a><\/li>\n\n\n\n
- Smart Heritage Aluminium French Doors<\/a><\/li>\n<\/ul>\n\n\n\n
Smart Layout Choices That Maximise Your Space<\/h2>\n\n\n\n
Open-Plan Living\/Kitchen\/Dining<\/h3>\n\n\n\n
Merge the kitchen with a garden-facing dining room to create a seamless multifunctional space. Use glazed screens to zone areas without cutting light.<\/p>\n\n\n\n
Cosy Corners & Snugs<\/h3>\n\n\n\n
Not all extensions need to be massive. A well-insulated, double-glazed corner with skylights<\/a> and bifolds can become the most-used room in the house.<\/p>\n\n\n\n
Kitchen Extensions<\/h3>\n\n\n\n
Add depth to galley kitchens with rear or side returns. Glazing above eye-level (with roof lanterns or flat roof lights) makes even compact spaces feel bigger.<\/p>\n\n\n\n
Home Office Nooks<\/h3>\n\n\n\n
More of us are working from home\u2014integrate a desk space within your extension, lit by natural daylight and tucked into an alcove or bay.<\/p>\n\n\n\n
Planning, Costs & Practical Considerations<\/h2>\n\n\n\n
Do You Need Planning Permission?<\/h3>\n\n\n\n
In many cases, Permitted Development Rights allow for rear or side extensions without full planning permission\u2014but there are limits.<\/p>\n\n\n\n
Always check:<\/p>\n\n\n\n
- \n
- Whether your property is listed<\/a> or in a conservation area<\/li>\n\n\n\n
- If your extension meets height, width, and boundary rules<\/li>\n<\/ul>\n\n\n\n
How Much Will It Cost?<\/h3>\n\n\n\n
- \n
- Basic single-storey extension<\/strong>: \u00a31,800\u2013\u00a32,500 per m\u00b2<\/li>\n\n\n\n
- Mid-range kitchen or rear extension<\/strong>: \u00a32,500\u2013\u00a33,500 per m\u00b2<\/li>\n\n\n\n
- High-spec glazed extension<\/strong>: \u00a33,500\u2013\u00a35,000+ per m\u00b2<\/li>\n<\/ul>\n\n\n\n
![\"home](\"https:\/\/www.gfdhomes.co.uk\/blog\/wp-content\/uploads\/2025\/04\/DSC_0036-1024x683.jpg\")
Bifold doors are another popular home extension product that can help to bring your outdoors indoors. <\/figcaption><\/figure>\n\n\n\n Investing in your extension isn\u2019t just about bricks and glass\u2014it\u2019s about building the lifestyle you want.<\/em><\/p>\n\n\n\n
Conclusion<\/h2>\n\n\n\n
2025 is the year of smart, light-filled, lifestyle-focused home extensions. With the right glazing, layout, and architectural touches, you can create a space that\u2019s not only more functional\u2014but more joyful to live in.<\/p>\n\n\n\n
At GFD Homes<\/a>, we specialise in products that elevate your extension plans. From slimline sliding doors to thermally-efficient roof lanterns, we\u2019re here to help every step of the way.<\/p>\n\n\n\n
Design the space that brings your family together. We\u2019ll help you light it, open it, and insulate it beautifully.<\/em><\/p>\n\n\n\n
\ud83d\udcde Ready to plan your extension? Call our expert team on 01642 309576<\/strong>.
\ud83d\udcda Don\u2019t forget to explore the GFD Blog<\/a> for more ideas, tips, and buyer guides.<\/p>\n\n\n\nFAQs about Home Extension Ideas<\/h2>\n\n\n\n
Do roof lanterns lose heat?<\/h3>\n\n\n\n
No\u2014modern lanterns use double glazing and thermal breaks to retain warmth and block UV.<\/p>\n\n\n\n
What\u2019s better\u2014bifold or sliding doors?<\/h3>\n\n\n\n
Sliding doors offer uninterrupted views; bifolds allow full openings. It depends on your layout and preference.<\/p>\n\n\n\n
How long does an extension take to build?<\/h3>\n\n\n\n
Typically 10\u201316 weeks depending on size, complexity, and weather.<\/p>\n\n\n\n
Do I need an architect for a small extension?<\/h3>\n\n\n\n
Not always, but expert design input can help you maximise light and space.<\/p>\n\n\n\n
More than doors \u2013 get inspired with these articles…<\/h3>\n\n\n\n
- \n
- How Long Does Double Glazing Last? Tips to Maximise Its Lifespan<\/a><\/li>\n\n\n\n
- 15 Durable Window Styles That Balance Affordability and Quality<\/a><\/li>\n\n\n\n
- Trade Home Extension Ideas<\/a>: looking for trade prices? Visit our trade site, The Trade Village<\/a>. <\/li>\n<\/ul>\n\n\n\n
<\/p>\n","protected":false},"excerpt":{"rendered":"Popular extension types in 2025 include open-plan kitchen-diners, rear garden extensions with sliding or bifold doors…<\/p>\n","protected":false},"author":4,"featured_media":5465,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","wprm-recipe-roundup-name":"","wprm-recipe-roundup-description":"","loftocean_post_primary_category":0,"loftocean_post_format_gallery":"","loftocean_post_format_gallery_ids":"","loftocean_post_format_gallery_urls":"","loftocean_post_format_video_id":0,"loftocean_post_format_video_url":"","loftocean_post_format_video_type":"","loftocean_post_format_video":"","loftocean_post_format_audio_type":"","loftocean_post_format_audio_url":"","loftocean_post_format_audio_id":0,"loftocean_post_format_audio":"","loftocean-featured-post":"","loftocean-like-count":0,"loftocean-view-count":4404,"tinysalt_single_post_intro_label":"","tinysalt_single_post_intro_description":"","tinysalt_hide_post_featured_image":"","tinysalt_post_featured_media_position":"","tinysalt_single_site_header_source":"","tinysalt_single_custom_site_header":"0","tinysalt_single_custom_sticky_site_header":"0","tinysalt_single_custom_sticky_site_header_style":"sticky-scroll-up","tinysalt_single_site_footer_source":"","tinysalt_single_custom_site_footer":"0","footnotes":""},"categories":[1485,1038,1486,26,25],"tags":[1491,1488,1487,1492,598,523,837,1489,1490],"class_list":["post-5586","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-home-extension-ideas","category-home-improvement","category-ideas","category-news-trends","category-project-planning","tag-cheap-home-extension-ideas","tag-extension-ideas","tag-extensions","tag-home-extension-design-ideas","tag-home-extension-ideas","tag-home-extensions","tag-project-planning","tag-rear-home-extension-ideas","tag-small-home-extension-ideas"],"aioseo_notices":[],"modified_by":"Team GFD","_links":{"self":[{"href":"https:\/\/www.gfdhomes.co.uk\/blog\/wp-json\/wp\/v2\/posts\/5586","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gfdhomes.co.uk\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gfdhomes.co.uk\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gfdhomes.co.uk\/blog\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gfdhomes.co.uk\/blog\/wp-json\/wp\/v2\/comments?post=5586"}],"version-history":[{"count":2,"href":"https:\/\/www.gfdhomes.co.uk\/blog\/wp-json\/wp\/v2\/posts\/5586\/revisions"}],"predecessor-version":[{"id":5630,"href":"https:\/\/www.gfdhomes.co.uk\/blog\/wp-json\/wp\/v2\/posts\/5586\/revisions\/5630"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.gfdhomes.co.uk\/blog\/wp-json\/wp\/v2\/media\/5465"}],"wp:attachment":[{"href":"https:\/\/www.gfdhomes.co.uk\/blog\/wp-json\/wp\/v2\/media?parent=5586"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gfdhomes.co.uk\/blog\/wp-json\/wp\/v2\/categories?post=5586"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gfdhomes.co.uk\/blog\/wp-json\/wp\/v2\/tags?post=5586"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
- 15 Durable Window Styles That Balance Affordability and Quality<\/a><\/li>\n\n\n\n
- Mid-range kitchen or rear extension<\/strong>: \u00a32,500\u2013\u00a33,500 per m\u00b2<\/li>\n\n\n\n
- If your extension meets height, width, and boundary rules<\/li>\n<\/ul>\n\n\n\n
- Smart Heritage Aluminium French Doors<\/a><\/li>\n<\/ul>\n\n\n\n
- Smart Heritage Bifold Doors<\/a><\/li>\n<\/ul>\n\n\n\n
- Korniche Cortizo Sliding Doors<\/a><\/li>\n<\/ul>\n\n\n\n
- Atlas Contemporary Roof Lantern<\/a><\/li>\n<\/ul>\n\n\n\n
- Korniche Aluminium Roof Lantern<\/a><\/li>\n\n\n\n
- Ideas for creating more space, light, and flow<\/a><\/li>\n\n\n\n