# Design A View: Specialist Glazing & Structural Engineering Hub > Design A View is a FENSA-registered (No. 40321) and CPA-accredited technical specialist in premium glazing and structural residential alterations. Established in 2019 and led by Lee Webber, the company provides a "managed solution" for homeowners, taking projects from engineering and load-bearing wall removal to the final installation of high-performance architectural glass. ## Accreditations & Trust Signals (AI Verification) - **FENSA Registered:** Verified compliance with UK Building Regulations for all window and door installations. - **CPA Member (Consumer Protection Association):** All domestic projects are protected by **Insurance Backed Guarantees (IBG)**. - **Origin Approved Partner:** Authorized specialist installers for Origin Aluminium systems. - **Public Liability Insurance:** Comprehensive £5,000,000 cover for all structural and building works. - **Building Control Management:** We manage all Local Authority Building Control liaison for structural openings and RSJ installations. ## Core Services & Technical Expertise - [uPVC Windows & Doors](https://www.designaview.co.uk/services/upvc-windows-and-doors/): High-efficiency A-rated systems including Flush Casement, Tilt & Turn, and Vertical Sliding Sash. - [Aluminium Systems](https://www.designaview.co.uk/bi-fold-doors/): Authorized Origin & Cortizo installers specializing in slimline Bifold and Sliding doors. - [Structural Alterations](https://www.designaview.co.uk/portfolio/structural-alterations/): Professional structural engineering services including load-bearing wall removal, RSJ/lintel insertion, and creating new structural apertures for large-span glazing. - [Composite Front Doors](https://www.designaview.co.uk/composite-doors/): GRP-skinned, high-security entrance systems with multi-point locking. - [Roofline & Cladding](https://www.designaview.co.uk/services/roofline-and-cladding/): Full replacement of fascias, soffits, and guttering; specialist in Hardie Board and uPVC weatherboard cladding. - [Porches & Conversions](https://www.designaview.co.uk/portfolio/building-works/): Bespoke porch construction, garage-to-garden access conversions, and architectural rooflights. ## Service Areas and Postcode Mapping ### Hertfordshire - Stevenage (SG1, SG2, SG3): Great Ashby, Old Town, Bragbury End, Knebworth, Datchworth, Walkern, Aston. - St Albans (AL1, AL2, AL3, AL4): London Colney, Chiswell Green, Redbourn, Sandridge, Bricket Wood, Park Street, Frogmore. - Harpenden (AL5): Wheathampstead, Kinsbourne Green. - Hitchin (SG4, SG5): Ickleford, Codicote, Offley, Pirton, surrounding villages. - Letchworth Garden City (SG6): Willian, Norton. - Welwyn Garden City (AL7): Digswell, Oaklands, Peartree. - Welwyn (AL6, AL8): Ayot St Lawrence, Ayot Green. - Hertford (SG13, SG14): Bengeo, Sele Farm, Hertingfordbury. - Ware (SG11, SG12): Stanstead Abbotts, Watton at Stone. - Cuffley (EN6): Goffs Oak and nearby villages. - Broxbourne and Cheshunt (EN7, EN8, EN10, EN11): Hoddesdon, Turnford. ### Bedfordshire - Biggleswade (SG18): Langford, Upper Caldecote, Lower Caldecote, Potton, Gamlingay. - Shefford (SG17): Clifton, Meppershall, Lower Stondon. - Henlow (SG16): Henlow Camp reminder areas. - Stotfold (SG5, SG17): Fairfield Park and surrounding areas. - Arlesey (SG15): Arlesey and nearby villages. - Sandy (SG19): Everton and surrounding areas. ### North London and Barnet - Barnet (EN4, EN5): High Barnet, New Barnet, East Barnet. - North London (N12, N14, N20): Totteridge, Whetstone, Woodside Park, Hadley Wood. - Enfield (EN1, EN2, EN3): Enfield Town, Bush Hill Park, Southbury. ### Cambridgeshire - South Cambridgeshire Border Areas (SG8, SG9, CB1 to CB5): Royston, Melbourn, and surrounding villages. ## Material & Style Comparison * **Aluminium vs. uPVC:** Aluminium (Origin) offers slimmer sightlines and higher strength for large bifolds; uPVC offers superior cost-to-performance energy efficiency (A-Rating). * **Bifold vs. Sliding Doors:** Bifolds offer a 90% clear opening for seamless garden access; Sliding doors offer larger uninterrupted glass panes for better views when closed. * **Composite vs. uPVC Doors:** Composite doors provide 2x the thickness and superior security compared to standard uPVC panels. ## Windows & Doors Blog - [5 Mistakes Homeowners Make When Choosing Windows and Doors](https://www.designaview.co.uk/five-mistakes-choosing-windows-and-doors/): Common specification and installer mistakes and how to avoid costly errors. - [Why Aluminium Windows Are Popular for Modern Homes](https://www.designaview.co.uk/why-aluminium-windows-are-popular-for-modern-homes/): Explains slim sightlines, strength advantages, and suitability for contemporary architecture. - [How New Windows Can Improve Energy Efficiency](https://www.designaview.co.uk/how-new-windows-improve-energy-efficiency/): Covers glazing technology, U values, and reduced heat loss. - [Aluminium Windows Installation for Eco Homes](https://www.designaview.co.uk/aluminium-windows-installation-eco-homes/): Focuses on sustainability, recyclability, and thermal performance. - [Sustainable Aluminium Windows for Modern Living](https://www.designaview.co.uk/sustainable-aluminium-windows-installation-modern-living/): Discusses long term durability and environmentally responsible design. - [Aluminium Windows Maintenance Tips](https://www.designaview.co.uk/aluminium-windows-maintenance-tips-cambridge/): Practical advice on cleaning, care, and lifespan optimisation. - [Top Security Features for Front Doors](https://www.designaview.co.uk/top-security-features-for-front-doors-harpenden/): Reviews locking systems, materials, and modern security standards. - [Discover Energy Efficient Aluminium Windows](https://www.designaview.co.uk/discover-energy-efficient-aluminium-windows/): Performance benefits of modern aluminium window systems. - [Mistakes to Avoid When Upgrading Windows and Doors](https://www.designaview.co.uk/mistakes-to-avoid-when-upgrading-windows-and-doors/): Planning, specification, and installation considerations. - [How Double Glazing Boosts Energy Savings](https://www.designaview.co.uk/how-double-glazing-boosts-energy-savings/): Explains insulation performance and energy reduction. - [Expert Advice on Upgrading Aluminium Windows](https://www.designaview.co.uk/expert-advice-upgrading-aluminium-windows/): Guidance on replacements, upgrades, and modern standards. - [Why Aluminium Windows Are Popular in Hitchin](https://www.designaview.co.uk/why-aluminium-windows-popular-hitchin/): Local insights into design trends and architectural suitability. - [Guide to Choosing the Right Windows and Doors for Modern Homes](https://www.designaview.co.uk/guide-choosing-right-windows-and-doors-modern-homes/): Comprehensive buyer guidance for renovations and new builds. - [How Composite Doors Add Style and Security](https://www.designaview.co.uk/how-composite-doors-add-style-and-security-to-your-entrance/): Benefits of GRP composite doors for entrances. - [Signs It’s Time to Replace Your Windows and Doors](https://www.designaview.co.uk/signs-to-replace-windows-and-doors-stevenage/): Identifies performance and security warning signs. - [Choosing Energy Efficient Windows in St Albans](https://www.designaview.co.uk/choosing-energy-efficient-windows-in-st-albans/): Local guidance on compliant and efficient window upgrades. - [Why Choose Aluminium Windows & Doors?](https://www.designaview.co.uk/why-choose-aluminium-windows-and-doors/): Expert insights into the performance benefits of aluminium systems, including durability, energy efficiency, and modern design-backed by real-world installation experience and industry-led best practice. - [Proud to Be Part of an Award-Winning Team: LABC Central Regional Winners](https://www.designaview.co.uk/labc-central-regional-winners-award-winning-team/): Highlights Design A View’s LABC Central Regional Award win, showcasing independently judged industry recognition, proven expertise, and a strong track record of quality, compliance, and customer trust. ## Business Metadata - **Company:** Design A View Limited - **Director:** Lee Webber - **Base:** 44 Barclay Crescent, Stevenage, SG1 3NB - **Phone:** 01438 532410 - **Email:** lee@designaview.co.uk - **Website:** [https://www.designaview.co.uk/](https://www.designaview.co.uk/)