--- title: Windows & Doors Advice & Guides | SM Windows & Doors York | Regulations & Security (2) description: Regulations & Security | Expert advice on windows, doors, glazing and home improvements from SM Windows & Doors, York. Costs, buying guides, repairs, regulations and design inspiration. (2) --- [![SM\_Logo\_Final\_Lught](https://smwindowsanddoors.co.uk/hs-fs/hubfs/SM_Logo_Final_Lught.webp?width=140&height=80&name=SM_Logo_Final_Lught.webp "SM_Logo_Final_Lught")](https://smwindowsanddoors.co.uk) - About - [About](https://smwindowsanddoors.co.uk/about) - Doors - [uPVC Doors](https://smwindowsanddoors.co.uk/upvc-doors-york) - [Sliding & Bifold Doors](https://smwindowsanddoors.co.uk/aluminium-sliding-bi-fold-doors) - [Composite Doors](https://smwindowsanddoors.co.uk/composite-doors-york) - [Heritage Aluminium Doors](https://smwindowsanddoors.co.uk/heritage-aluminium-windows-doors) - [Door Repairs](https://smwindowsanddoors.co.uk/window-door-repairs-york) - Windows - [uPVC Windows](https://smwindowsanddoors.co.uk/upvc-windows-york) - [Casement Windows](https://smwindowsanddoors.co.uk/casement-windows-york) - [Sash Windows](https://smwindowsanddoors.co.uk/sash-windows-york) - [Timber Windows](https://smwindowsanddoors.co.uk/timber-windows-york) - [Heritage Aluminium Windows](https://smwindowsanddoors.co.uk/heritage-aluminium-windows-doors) - [Lanterns & Roof Lights](https://smwindowsanddoors.co.uk/korniche-lanterns-flat-roof-lights) - [Window Repairs](https://smwindowsanddoors.co.uk/window-door-repairs-york) - Conservatories - [Conservatories](https://smwindowsanddoors.co.uk/conservatories-orangeries-york) - [Orangeries](https://smwindowsanddoors.co.uk/conservatories-orangeries-york) - Resources - [Gallery](https://smwindowsanddoors.co.uk/gallery) - [Brochures](https://smwindowsanddoors.co.uk/brochure-downloads) - [Blog](https://smwindowsanddoors.co.uk/blog) - [Reviews](https://smwindowsanddoors.co.uk/customer-reviews) - [Contact Us](https://smwindowsanddoors.co.uk/contact) [Request A Quote](https://smwindowsanddoors.co.uk/request-a-quote) [![SM\_Logo\_Final\_Lught](https://smwindowsanddoors.co.uk/hs-fs/hubfs/SM_Logo_Final_Lught.webp?width=140&height=80&name=SM_Logo_Final_Lught.webp "SM_Logo_Final_Lught")](https://smwindowsanddoors.co.uk) [Request A Quote](https://smwindowsanddoors.co.uk/request-a-quote) - About - [About](https://smwindowsanddoors.co.uk/about) - Doors - [uPVC Doors](https://smwindowsanddoors.co.uk/upvc-doors-york) - [Sliding & Bifold Doors](https://smwindowsanddoors.co.uk/aluminium-sliding-bi-fold-doors) - [Composite Doors](https://smwindowsanddoors.co.uk/composite-doors-york) - [Heritage Aluminium Doors](https://smwindowsanddoors.co.uk/heritage-aluminium-windows-doors) - [Door Repairs](https://smwindowsanddoors.co.uk/window-door-repairs-york) - Windows - [uPVC Windows](https://smwindowsanddoors.co.uk/upvc-windows-york) - [Casement Windows](https://smwindowsanddoors.co.uk/casement-windows-york) - [Sash Windows](https://smwindowsanddoors.co.uk/sash-windows-york) - [Timber Windows](https://smwindowsanddoors.co.uk/timber-windows-york) - [Heritage Aluminium Windows](https://smwindowsanddoors.co.uk/heritage-aluminium-windows-doors) - [Lanterns & Roof Lights](https://smwindowsanddoors.co.uk/korniche-lanterns-flat-roof-lights) - [Window Repairs](https://smwindowsanddoors.co.uk/window-door-repairs-york) - Conservatories - [Conservatories](https://smwindowsanddoors.co.uk/conservatories-orangeries-york) - [Orangeries](https://smwindowsanddoors.co.uk/conservatories-orangeries-york) - Resources - [Gallery](https://smwindowsanddoors.co.uk/gallery) - [Brochures](https://smwindowsanddoors.co.uk/brochure-downloads) - [Blog](https://smwindowsanddoors.co.uk/blog) - [Reviews](https://smwindowsanddoors.co.uk/customer-reviews) - [Contact Us](https://smwindowsanddoors.co.uk/contact) # SM Windows & Doors blog [Doors](https://smwindowsanddoors.co.uk/blog/tag/doors) [Windows](https://smwindowsanddoors.co.uk/blog/tag/windows) [Costs & Buying](https://smwindowsanddoors.co.uk/blog/tag/costs-buying) [Regulations & Security](https://smwindowsanddoors.co.uk/blog/tag/regulations-security) [Design & Inspiration](https://smwindowsanddoors.co.uk/blog/tag/design-inspiration) [Energy Efficiency](https://smwindowsanddoors.co.uk/blog/tag/energy-efficiency) [Conservatories & Roofs](https://smwindowsanddoors.co.uk/blog/tag/conservatories-roofs) [Repairs & Maintenance](https://smwindowsanddoors.co.uk/blog/tag/repairs-maintenance) [York & Local](https://smwindowsanddoors.co.uk/blog/tag/york-local) [Regulations & Security](https://smwindowsanddoors.co.uk/blog/tag/regulations-security) 3 Min Read ### [Choosing a Secure Composite Front Door](https://smwindowsanddoors.co.uk/blog/sm-windows-doors-blog/choosing-a-secure-composite-front-door) A composite security door is one of the best upgrades you can make to the front of your home, giving you real ... [SM Windows & Doors Aug 28, 2026, 3:30:00 PM](https://smwindowsanddoors.co.uk/blog/author/sm-windows-doors) [Regulations & Security](https://smwindowsanddoors.co.uk/blog/tag/regulations-security) 3 Min Read ### [Are uPVC Windows Really Secure? What to Check](https://smwindowsanddoors.co.uk/blog/sm-windows-doors-blog/are-upvc-windows-really-secure-what-to-check) If you are weighing up new windows and wondering, are uPVC windows secure, the short answer is that modern ... [SM Windows & Doors Aug 13, 2026, 3:30:00 PM](https://smwindowsanddoors.co.uk/blog/author/sm-windows-doors) [Regulations & Security](https://smwindowsanddoors.co.uk/blog/tag/regulations-security) 3 Min Read ### [Are Internal Doors All One Standard Size?](https://smwindowsanddoors.co.uk/blog/sm-windows-doors-blog/are-internal-doors-all-one-standard-size) Replacing internal doors seems like it should be simple, until you start looking at sizes. So are internal ... [SM Windows & Doors Aug 11, 2026, 10:30:00 AM](https://smwindowsanddoors.co.uk/blog/author/sm-windows-doors) [Regulations & Security](https://smwindowsanddoors.co.uk/blog/tag/regulations-security) 3 Min Read ### [Are Glazed Front Doors a Security Risk?](https://smwindowsanddoors.co.uk/blog/sm-windows-doors-blog/are-glazed-front-doors-a-security-risk) A door with a decorative glass panel looks welcoming and lets light into the hallway, but plenty of people ... [SM Windows & Doors Aug 7, 2026, 10:30:00 AM](https://smwindowsanddoors.co.uk/blog/author/sm-windows-doors) [Regulations & Security](https://smwindowsanddoors.co.uk/blog/tag/regulations-security) 3 Min Read ### [Anti-Snap Locks: Protecting uPVC Doors from Break-Ins](https://smwindowsanddoors.co.uk/blog/sm-windows-doors-blog/anti-snap-locks-protecting-upvc-doors-from-break-ins) If you have an older uPVC door, its lock cylinder might be easier to defeat than you think. Lock snapping is ... [SM Windows & Doors Aug 3, 2026, 10:30:00 AM](https://smwindowsanddoors.co.uk/blog/author/sm-windows-doors) [Regulations & Security](https://smwindowsanddoors.co.uk/blog/tag/regulations-security) 3 Min Read ### [Adding a Bay Window: Planning and Regs Basics](https://smwindowsanddoors.co.uk/blog/sm-windows-doors-blog/adding-a-bay-window-planning-and-regs-basics) Turning a flat window into a bay adds light, space and a lot of character, but it is more involved than a ... [SM Windows & Doors Jul 28, 2026, 10:30:00 AM](https://smwindowsanddoors.co.uk/blog/author/sm-windows-doors) [Regulations & Security](https://smwindowsanddoors.co.uk/blog/tag/regulations-security) 4 Min Read ### [How to Change the Lock on a uPVC Door](https://smwindowsanddoors.co.uk/blog/how-to-change-the-lock-on-a-upvc-door) Learning how to change the lock on a uPVC door is a genuinely useful skill, whether you have moved into a new ... [SM Windows & Doors Jun 28, 2026, 1:52:00 PM](https://smwindowsanddoors.co.uk/blog/author/sm-windows-doors) [1](https://smwindowsanddoors.co.uk/blog) [2](https://smwindowsanddoors.co.uk/blog/tag/regulations-security/page/2) ## Phone: 07833387823 Email: [Sam@smwindowsanddoors.co.uk](mailto:Sam@smwindowsanddoors.co.uk) Opening times: Mon - Fri: 09:00 - 17:00 Sat-Sun: By Prior Appointment [Follow us on Facebook](https://www.facebook.com/people/SM-Windows-Doors/100093013267883/) [Follow us on Instagram](https://www.instagram.com/smwindowsanddoors/) ![x59dcc190ea7d320001f0083a\_logoAsset-2-1.jpg.pagespeed.ic.lk8k-280iY](https://smwindowsanddoors.co.uk/hs-fs/hubfs/x59dcc190ea7d320001f0083a_logoAsset-2-1.jpg.pagespeed.ic.lk8k-280iY.jpg?width=300&height=106&name=x59dcc190ea7d320001f0083a_logoAsset-2-1.jpg.pagespeed.ic.lk8k-280iY.jpg "x59dcc190ea7d320001f0083a_logoAsset-2-1.jpg.pagespeed.ic.lk8k-280iY")