--- title: "Windows & Doors in Duffryn (NP10) — Essential Glazing Products" description: "Made-to-measure uPVC and aluminium windows and doors, installed across Duffryn. VEKA-approved, ASSURE registered, 10-year IBG guarantee. 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[ About Us The family, the workshop, three decades of glazing. ](/about) - [ Reviews 4.9★ across 32 Google reviews — read what customers say. ](/reviews) [Services](/services) uPVC Windows & Doors - [uPVC Windows](/services/upvc-windows) - [uPVC Doors](/services/upvc-doors) - [uPVC Conservatories](/services/upvc-conservatories) Aluminium Windows & Doors - [Aluminium Windows](/services/aluminium-windows) - [Aluminium Doors](/services/aluminium-doors) - [Aluminium Bi-folds](/services/aluminium-bi-folds) - [Patio & Sliding Doors](/services/patio-sliding-doors) - [Roof Lanterns](/services/roof-lanterns) Doors & Trade - [Composite Doors](/services/composite-doors) - [Trade Counter Supply](/services/trade-counter) [Service Areas](/areas) Sirhowy & Ebbw Valleys - [Blackwood](/areas/blackwood) - [Pontllanfraith](/areas/pontllanfraith) - [Newbridge](/areas/newbridge) - [Crumlin](/areas/crumlin) - [Abercarn](/areas/abercarn) - [Risca](/areas/risca) - [Cwmfelinfach](/areas/cwmfelinfach) - [Ynysddu](/areas/ynysddu) - [Abertillery](/areas/abertillery) - [Ebbw Vale](/areas/ebbw-vale) - [Tredegar](/areas/tredegar) Wider Gwent - [Caerphilly](/areas/caerphilly) - [Bargoed](/areas/bargoed) - [Pontypool](/areas/pontypool) - [Cwmbran](/areas/cwmbran) Newport & Coast - [Newport City](/areas/newport-city) - [Rogerstone](/areas/rogerstone) - [Bettws](/areas/bettws) - [Malpas](/areas/malpas) - [Duffryn](/areas/duffryn) - [Langstone](/areas/langstone) - [Caerleon](/areas/caerleon) [Our Work](/our-work) [Contact](/contact) [01495 825934](tel:+441495825934)[Request Free Survey](/contact) [](tel:+441495825934) 1. [Home](/) 2. [Service Areas](/areas) 3. Duffryn Windows & doors · Duffryn NP10 # Windows & Doors, Installed Across Duffryn Modern estate housing near the Newport wetlands — coastal exposure, uniform stock, straightforward specification. [Request free Duffryn survey](/contact) [01495 825934](tel:+441495825934) Free survey in Duffryn, usually within the week · 10-year guarantee NP10 30 min from workshop Newport & Coast - ASSURE registered installer - MTC-certified fitters - VEKA · Smart · Aluk approved - 10-year guarantee + IBG - Family business since 1997 Serving Duffryn ## Why Duffryn homeowners work with us. **Response time.** Duffryn surveys usually offered within 5–7 working days. Duffryn is a modern Newport estate near the wetlands and Bristol Channel — largely 1990s onwards housing with uniform opening sizes but real coastal exposure. Semis, terraces and detached properties across the estate all share similar specifications. We're 30 minutes west via the M4. NP10 Duffryn is a steady part of our schedule, with proximity to the Bristol Channel making weather-appropriate spec important. Property types we install into - 1990s+ semis Estate semis with standard opening sizes. - Short terraces Uniform terrace runs across the estate. - Modern detached Larger detached properties on estate periphery — aluminium increasingly specified. Common Duffryn service needs - Full re-glazes Original 1990s uPVC now failing — modern VEKA is a substantial upgrade. - Composite front doors Colour-matched composite doors. - Aluminium bi-folds On rear extensions of detached properties. Services in Duffryn ## Every window, every door — installed in Duffryn. [View all services](/services) [ uPVC ### uPVC Windows VEKA-approved uPVC casement, tilt-and-turn and sash — A-rated glazing as standard on every Duffryn install. Explore uPVC Windows ](/services/upvc-windows)[ uPVC ### uPVC Doors Secure multi-point locking uPVC doors, colour-matched to your Duffryn frames. Explore uPVC Doors ](/services/upvc-doors)[ Composite ### Composite Doors 1000+ configurations of solid-core composite front doors — our most-installed door in Newport & Coast. Explore Composite Doors ](/services/composite-doors)[ Aluminium ### Aluminium Windows Slim-sightline Smart and Aluk aluminium windows — thermally broken, popular on Duffryn extensions. Explore Aluminium Windows ](/services/aluminium-windows)[ Aluminium ### Aluminium Doors Statement aluminium front and back doors with concealed hinges and premium hardware. Explore Aluminium Doors ](/services/aluminium-doors)[ Aluminium ### Aluminium Bi-folds Wide-opening bi-folds up to 6+ panels — flush thresholds, smooth glide, weather-appropriate spec for Duffryn. Explore Aluminium Bi-folds ](/services/aluminium-bi-folds)[ Aluminium ### Patio & Sliding Doors Large-pane sliding doors for uninterrupted views on rear elevations. Explore Patio & Sliding Doors ](/services/patio-sliding-doors)[ Aluminium ### Roof Lanterns Bespoke aluminium lantern roofs on flat-roof extensions — a lot of light without losing floor area. Explore Roof Lanterns ](/services/roof-lanterns)[ uPVC ### uPVC Conservatories Edwardian, Victorian and lean-to conservatories designed for year-round use in the Newport & Coast climate. Explore uPVC Conservatories ](/services/upvc-conservatories)[ Trade ### Trade Counter Supply Trade-only supply from our Blackwood counter — frames, sashes and hardware for Duffryn installers. Explore Trade Counter Supply ](/services/trade-counter) Why choose us ## Why us in Duffryn. For coastal-exposed estate housing, appropriate specification matters more than in inland suburbs. ### Coastal-aware spec Enhanced weathering, appropriate glazing spec for wetlands exposure as standard. ### Manufacturer-installer In-house uPVC production, no franchise mark-up. ### ASSURE + MTC Accredited install quality. ### IBG-backed 10-year guarantee Insurance-backed cover. What Duffryn throws at us ## Duffryn's coastal proximity brings specific challenges that inland estates don't face. ### Salt-air exposure Bristol Channel proximity means salt-loaded prevailing winds. We spec marine-grade hardware and appropriate hinge finishes on exposed elevations. ### Wetlands humidity Nearby wetlands increase persistent humidity. Dual-drainage frames and enhanced sill weathering specified as standard. ### 1990s uPVC failure Original estate stock is now widely failing. Modern formulation lasts materially longer. ### Estate wind corridors Grid road layout channels wind. Enhanced weathering on windward elevations. Our process ## Five steps from Duffryn enquiry to guaranteed install. 1. STEP 01 ### Enquiry & call-back One quick call to understand what you're after — no scripted pitch, no pressure. 2. STEP 02 ### Free measured survey We visit, measure to the millimetre, and check reveals, lintels and access — usually within the week. 3. STEP 03 ### Fixed written quote Line-by-line, no rounded 'today only' discounts. You take it away and think about it. 4. STEP 04 ### In-house manufacture Bespoke frames and doors made in our Pontllanfraith workshop — no distant factory lead-times. 5. STEP 05 ### Guaranteed install Our own MTC-certified fitters, compliance certificate via ASSURE, 10-year IBG-backed guarantee. Duffryn FAQ ## Everything Duffryn customers ask before booking. Do you install in Duffryn? Yes — NP10 is a regular part of our weekly runs. How soon can you survey? Usually within 5–7 working days. Do you handle coastal exposure? Yes — marine-grade hardware, appropriate glazing spec and enhanced weathering on exposed elevations. Composite door cost? From around £1,395. Full-house cost? A 3-bed Duffryn semi typically runs £5,500–£8,000. Aluminium available? Yes — Smart and Aluk systems. Guarantee? 10 years, IBG-backed. Compliance? ASSURE certificate. Nearby areas ## Also serving Newport & Coast. [View all areas](/areas) [ Newport & Coast ### Rogerstone NP10 · 25 min from workshop View Rogerstone ](/areas/rogerstone)[ Newport & Coast ### Newport City NP19 · NP20 · 30 min from workshop View Newport City ](/areas/newport-city)[ Newport & Coast ### Bettws NP20 · 28 min from workshop View Bettws ](/areas/bettws)[ Newport & Coast ### Langstone NP18 · 35 min from workshop View Langstone ](/areas/langstone) Next step ## Coastal estate homes need weather-appropriate glazing. Free survey, marine-grade spec where needed, IBG-backed guarantee. ASSURE registered · MTC-certified fitters · 10-year guarantee + IBG [Request free survey](/contact) [Call 01495 825934](tel:+441495825934)[or 07460 039120](tel:+447460039120) ![Essential Glazing Products Ltd](/__l5e/assets-v1/f8acd498-0c7c-404d-9e04-ead615fdc16e/egp-logo.png) VEKA-approved installer of made-to-measure uPVC and aluminium windows, doors and bi-folds across Gwent and Newport. Family-run since day one. [](https://www.instagram.com/essentialglazing)[](https://www.facebook.com/people/Essential-Glazing-Products-Ltd/61557089250145/) #### Windows & Doors - [uPVC Windows in Newport & Gwent](/services/upvc-windows "uPVC Windows in Newport & Gwent") - [uPVC Doors — made to measure](/services/upvc-doors "uPVC Doors — made to measure") - [Aluminium Windows](/services/aluminium-windows "Aluminium Windows") - [Aluminium Bi-fold Doors](/services/aluminium-bi-folds "Aluminium Bi-fold Doors") - [Aluminium Doors](/services/aluminium-doors "Aluminium Doors") - [Composite Front Doors](/services/composite-doors "Composite Front Doors") - [Roof Lanterns for extensions](/services/roof-lanterns "Roof Lanterns for extensions") - [Patio & Sliding Doors](/services/patio-sliding-doors "Patio & Sliding Doors") - [Blackwood Trade Counter](/services/trade-counter "Blackwood Trade Counter") - [View all services →](/services "All window and door services") #### Areas We Cover - [Windows & Doors Newport](/areas/newport-city "Windows & Doors Newport") - [Windows & Doors Blackwood](/areas/blackwood "Windows & Doors Blackwood") - [Windows & Doors Caerphilly](/areas/caerphilly "Windows & Doors Caerphilly") - [Windows & Doors Cwmbran](/areas/cwmbran "Windows & Doors Cwmbran") - [Windows & Doors Pontypool](/areas/pontypool "Windows & Doors Pontypool") - [Windows & Doors Ebbw Vale](/areas/ebbw-vale "Windows & Doors Ebbw Vale") - [Windows & Doors Tredegar](/areas/tredegar "Windows & Doors Tredegar") - [Windows & Doors Risca](/areas/risca "Windows & Doors Risca") - [Windows & Doors Rogerstone](/areas/rogerstone "Windows & Doors Rogerstone") - [Windows & Doors Newbridge](/areas/newbridge "Windows & Doors Newbridge") - [Windows & Doors Abertillery](/areas/abertillery "Windows & Doors Abertillery") - [Windows & Doors Caerleon](/areas/caerleon "Windows & Doors Caerleon") [View all service areas →](/areas "All service areas across Gwent & Newport") #### Get in touch - [01495 825934 ](tel:+441495825934) - [07460 039120](tel:+447460039120) - [07878 090434](tel:+447878090434) - [info@essentialglazingproducts.co.uk](mailto:info@essentialglazingproducts.co.uk) - Unit 2a1, Block C Newbridge Road Industrial Estate Pontllanfraith, Blackwood NP12 2XF Mon–Thu 8:30 – 16:30 Friday 8:30 – 16:00 Sat & Sun Closed © 2026 Essential Glazing Products Ltd. Company No. 15440311. All rights reserved. [Contact](/contact)[Reviews](/reviews)[Privacy Policy](/privacy-policy)[Terms & Conditions](/terms-conditions)[Cookie Policy](/cookie-policy) [Call](tel:+441495825934) [Free Survey](/contact) We use essential cookies to make this site work, plus optional analytics cookies to understand how it's used. See our [cookie policy](/cookie-policy). AcceptReject