--- title: "Builders in Essex | Extensions, Lofts & Home Builds | 1st Class Cladding & Building" description: "Family-run builders covering Essex with 35 years' combined experience. Extensions, loft conversions, refurbishments and garden rooms — fixed written quotes, 24-hour response." lang: en json-ld: | [ { "@context": "https://schema.org", "@type": "Organization", "@id": "https://1stclasscladdingandbuilding.co.uk/#organization", "name": "1st Class Cladding & Building Ltd", "alternateName": "1st Class Building & Cladding", "url": "https://1stclasscladdingandbuilding.co.uk/", "logo": "/__l5e/assets-v1/09702f58-e6ca-4235-bb55-7c7986f15706/1stclass-favicon.png", "telephone": "01375 802765", "email": "1stclasscladding@gmail.com", "address": { "@type": "PostalAddress", "streetAddress": "57 Malvern Road", "addressLocality": "Grays", "addressRegion": "Essex", "postalCode": "RM17 5TH", "addressCountry": "GB" }, "areaServed": [ "Grays", "Thurrock", "Basildon", "Billericay", "Rochford", "Romford", "Upminster", "Hornchurch", "Essex" ], "knowsAbout": [ "Extensions", "Cladding", "Luxury Garden Rooms", "Refurbishments", "Loft Conversions", "Landscaping", "New Build Homes", "Driveways & Patios", "Bathroom & Kitchen", "Structural Alterations & Repairs" ], "sameAs": [ "https://www.instagram.com/1st_class_building_ltd", "https://www.facebook.com/share/1CpVA5G8ub/", "https://maps.app.goo.gl/ob25c6bvdT3d4Vuj8" ], "contactPoint": { "@type": "ContactPoint", "telephone": "01375 802765", "contactType": "customer service", "areaServed": "GB", "availableLanguage": [ "English" ] } }, { "@context": "https://schema.org", "@type": "WebSite", "@id": "https://1stclasscladdingandbuilding.co.uk/#website", "name": "1st Class Building & Cladding", "url": "https://1stclasscladdingandbuilding.co.uk/", "publisher": { "@id": "https://1stclasscladdingandbuilding.co.uk/#organization" }, "inLanguage": "en-GB" }, { "@context": "https://schema.org", "@type": "GeneralContractor", "@id": "/#localbusiness", "name": "1st Class Cladding & Building Ltd", "alternateName": "1st Class Building & Cladding", "image": "/__l5e/assets-v1/da7878a8-c82a-4ac1-b267-5e8a371c31f2/1stclass-logo.png", "telephone": "01375 802765", "email": "1stclasscladding@gmail.com", "priceRange": "££", "address": { "@type": "PostalAddress", "streetAddress": "57 Malvern Road", "addressLocality": "Grays", "addressRegion": "Essex", "postalCode": "RM17 5TH", "addressCountry": "GB" }, "geo": { "@type": "GeoCoordinates", "latitude": 51.4828, "longitude": 0.344 }, "areaServed": [ { "@type": "City", "name": "Grays" }, { "@type": "City", "name": "Thurrock" }, { "@type": "City", "name": "Basildon" }, { "@type": "City", "name": "Billericay" }, { "@type": "City", "name": "Rochford" }, { "@type": "City", "name": "Romford" }, { "@type": "City", "name": "Upminster" }, { "@type": "City", "name": "Hornchurch" }, { "@type": "City", "name": "Essex" } ], "openingHoursSpecification": [ { "@type": "OpeningHoursSpecification", "dayOfWeek": [ "Monday", "Tuesday", "Wednesday", "Thursday", "Friday" ], "opens": "09:00", "closes": "17:00" }, { "@type": "OpeningHoursSpecification", "dayOfWeek": [ "Saturday" ], "opens": "09:00", "closes": "12:00" } ], "sameAs": [ "https://www.instagram.com/1st_class_building_ltd", "https://www.facebook.com/share/1CpVA5G8ub/", "https://maps.app.goo.gl/ob25c6bvdT3d4Vuj8" ] }, { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Which areas of Essex do you cover?", "acceptedAnswer": { "@type": "Answer", "text": "We're based in Grays and cover Essex and the surrounding areas. For larger projects, we're happy to travel further afield — just get in touch to check." } }, { "@type": "Question", "name": "How quickly can you respond to an enquiry?", "acceptedAnswer": { "@type": "Answer", "text": "We aim to respond within 24 hours. Call during working hours Monday to Friday and we'll get back to you as soon as we can. Site surveys are typically booked inside the same week." } }, { "@type": "Question", "name": "Do you provide fixed written quotes?", "acceptedAnswer": { "@type": "Answer", "text": "Yes — every job goes out as a fully itemised written quote following a site visit. No vague day rates, no surprise extras." } }, { "@type": "Question", "name": "Are you a Checkatrade member?", "acceptedAnswer": { "@type": "Answer", "text": "Yes — 1st Class Cladding & Building Ltd is a verified Checkatrade member. You can view our profile and verified customer reviews on Checkatrade." } }, { "@type": "Question", "name": "Do you handle building control and planning?", "acceptedAnswer": { "@type": "Answer", "text": "Yes — as part of the service we manage planning applications and approvals, then host building control inspections through to final sign-off. Architectural and structural drawings are done in partnership with NSP Architecture." } }, { "@type": "Question", "name": "What's your typical lead time for an extension?", "acceptedAnswer": { "@type": "Answer", "text": "Typically a minimum of around 2 months from signed contract to on-site start. Site surveys can usually be arranged within the same week, with a fixed written quote usually following within 48 hours of the visit. Larger jobs may need a little longer." } } ] } ] --- 57 Malvern Road, Grays RM17 5TH [1stclasscladding@gmail.com](mailto:1stclasscladding@gmail.com) Mon–Fri 9:00AM – 5:00PM · Sat 9:00 – 12:00 24-Hour Response · Essex [![1st Class Building & Cladding](/__l5e/assets-v1/da7878a8-c82a-4ac1-b267-5e8a371c31f2/1stclass-logo.png)](/) [Home](/) [About](/about) [Services](/services) [Service Areas](/service-areas) [Our Work](/our-work) [Contact](/contact) [01375 802765](tel:+441375802765) [Request Estimate](/contact) Essex-Wide · Thurrock · Romford · 35 Years Combined Experience # Builders in Essex Premium Home Builds. Honest Family Service. Stress-Free Builds Across Essex. One trusted Essex team handling [extensions](/services/extensions), [full refurbishments](/services/refurbishments), [loft conversions](/services/loft-conversions) and [luxury garden rooms](/services/luxury-garden-rooms). We aim to respond within 24 hours. Fixed written quotes. [Request Free Estimate](/contact) [01375 802765](tel:+441375802765) - We aim to respond within 24 hours - Free written quote - Family-run · Listed on Checkatrade Free Quote · 24-Hour Response 0 Projects Completed 0 Years Combined Experience 0 Hour Response 24-Hour Response 35 Years Combined Experience Fully Insured — £5m Cover Family-Run, Owner-Led Independently reviewed — [Listed on Checkatrade](https://www.checkatrade.com/trades/1stclasscladdingandbuildinglimited "View our verified Checkatrade profile") [73+ 9–10★ reviews on Checkatrade →](https://www.checkatrade.com/trades/1stclasscladdingandbuildinglimited) Our Work — Projects ## A look at recent projects Extensions, garden rooms, kitchens and new builds delivered across Essex by Billy, Tommy and the team. ![Rear brick extension with bifold doors and exterior uplighters at dusk](/__l5e/assets-v1/146c6ad4-43b8-4dc8-b469-cd6950779d60/upload-22.jpg) Extensions ![Luxury garden room at night with grey composite cladding and exterior downlights](/__l5e/assets-v1/36886350-d8c4-42e9-a689-a5807fd4f821/upload-16.jpg) Garden Rooms ![Completed two-storey new build home with black timber cladding and rendered base](/__l5e/assets-v1/aaae2753-667c-448b-ae13-477b3cd366fc/upload-25.jpg) New Build Homes ![Newly fitted kitchen-diner with white gloss cabinetry, herringbone flooring and French doors to garden](/__l5e/assets-v1/d40860a3-43a3-4909-846f-d35e625bc96b/upload-28.jpg) Kitchens ![Two-storey rear extension with dormer windows and bifold doors](/__l5e/assets-v1/d632c98b-1821-4bd5-b324-96193eb95d4a/upload-04.jpg) Extensions ![Bespoke green oak porch extension with pitched tiled roof](/__l5e/assets-v1/fdeb28b8-ff61-48a8-91a4-ecac05da28c8/upload-13.jpg) Porches ![Tiered oak sleeper raised planters with porcelain paving and step lighting](/__l5e/assets-v1/001396bf-ab71-4eac-83eb-e8d76986897f/upload-10.jpg) Landscaping ![Refurbished rear of bungalow with new brickwork, anthracite bifold doors and pitched tiled roof](/__l5e/assets-v1/02127f25-47fa-4649-b41e-3a1b5fae3113/upload-35.jpg) Refurbishments ![Loft conversion in progress with PIR insulation between rafters and stud walls](/__l5e/assets-v1/143f11a1-f281-4caa-921e-1ba97e8bd5d9/upload-14.jpg) Loft Conversions ![Modern white-rendered garden room with pitched tiled roof, anthracite bifold doors and porcelain patio steps](/__l5e/assets-v1/3e0b9c1e-619a-49d3-a496-bdca1958e656/upload-27.jpg) Garden Rooms Previous slide Next slide [See more of our work](/our-work) Our Work — Before & After ## Drag to see before & after Real Essex projects, start to finish. Slide the handle on each image to reveal how the property looked before we got hands-on. ![Completed two-storey rear extension with dormer windows, rooflights and full-width bifold doors](/__l5e/assets-v1/12d0bec7-45b6-4d17-a74f-9f8e3b7a8a01/upload-38.jpg)Before After Two-storey rear extension with dormer & bifolds — Essex ![Finished luxury garden room in dark grey composite cladding with bifold doors and composite decking](/__l5e/assets-v1/24b024eb-1fd5-4b4f-a145-904443186dff/upload-40.jpg)Before After Luxury garden room build — Essex ![Completed rear extension with full-width black-framed bifold doors and pitched tiled roof with rooflights](/__l5e/assets-v1/cc1e90a9-7339-4833-8aa5-61ad3be93cab/rear-extension-after.jpg)Before After Rear extension replacing old conservatory — Essex ![Finished landscaped garden with new Indian sandstone patio, artificial lawn and fresh fencing](/__l5e/assets-v1/89981930-39e7-4487-9e2e-0bf937f054db/upload-43.jpg)Before After Garden landscaping, patio & fencing — Essex Our Work — On Site ## See Our Work In Action. A look at some of our recent projects across Essex. Tap to unmute Tap to unmute Tap to unmute Tap to unmute [See More Of Our Work](/our-work) Why 1st Class ## A Builder You Can Actually Get Hold Of. One team handles everything under one roof — from the first design and planning application to the full build and final building control sign-off. Everything in writing, with a clear signed contract before any deposit is taken. ### Family-Run, Owner-Led You speak to the family direct: calls go straight to Billy, Tommy or a family member. No call centres, no being passed down a chain. ### One-Stop, Under One Roof Architectural & structural drawings (via our partners at NSP Architecture), planning applications, building control, pricing, the full build and final sign-off — all handled by one team. ### 24-Hour Response We aim to respond within 24 hours. Site survey booked inside the week, written quote in your inbox within 48 hours of the visit. ### Built To Last 35 years of combined hands-on Essex experience. Proper foundations, breathable build-ups and tanked wet rooms — the details that decide whether a job lasts five years or fifty. How It Works ## Five Steps, One Team. Plans, planning, pricing, build, sign-off — all handled in-house. 1. 01 ### Plans & Design Architectural and structural drawings via our NSP Architecture partnership — or we work to plans you already have. 2. 02 ### Planning & Approvals We prepare and submit the planning application, deal with the council and chase the approval through. 3. 03 ### Pricing & Contract Fixed written quote, usually within 48 hours of survey. A clear, signed contract before any deposit is taken. 4. 04 ### Build One accountable team on site — foundations through to second fix and decoration, on a dated programme. 5. 05 ### Building Control Sign-Off We host inspections at every stage and hand you the completion certificate and full handover pack. What We Build ## Ten Trades. One Phone Number. [All Services](/services) [ 01 ### Extensions Single, two-storey & wrap-around extensions across Essex. Learn More ](/services/extensions)[ 02 ### Cladding Composite, timber and render cladding by our specialist in-house team. Learn More ](/services/cladding)[ 03 ### Luxury Garden Rooms Bespoke garden rooms, studios and outdoor offices. Learn More ](/services/luxury-garden-rooms)[ 04 ### Refurbishments Whole-house refurbishments — strip back, rebuild, sign-off. Learn More ](/services/refurbishments)[ 05 ### Loft Conversions Dormers, hip-to-gable and full L-shape loft conversions. Learn More ](/services/loft-conversions)[ 06 ### Landscaping Front and rear garden builds, walls, levels and planting. Learn More ](/services/landscaping)[ 07 ### New Build Homes Ground-up new build homes — foundations to handover. Learn More ](/services/new-build-homes)[ 08 ### Driveways & Patios Block paving, porcelain patios and resin-bound driveways. Learn More ](/services/driveways-patios)[ 09 ### Bathroom & Kitchen Full bathroom and kitchen renovations, plumbed and signed off. Learn More ](/services/bathroom-kitchen-renovations)[ 010 ### Structural Alterations & Repairs Structural alterations, steels, lintels and subsidence work. Learn More ](/services/structural-repairs) Service Areas ## Grays-Based. Essex Covered. Based on Malvern Road, Grays — working across Thurrock, the A127 corridor and into Romford, Hornchurch and the wider Essex region. [Grays](/service-areas/grays)[Thurrock](/service-areas/thurrock)[Basildon](/service-areas/basildon)[Billericay](/service-areas/billericay)[Rochford](/service-areas/rochford)[Romford](/service-areas/romford)[Upminster](/service-areas/upminster)[Hornchurch](/service-areas/hornchurch)[Essex](/service-areas/essex) What Clients Say ## Reputation Built The Hard Way. Real words from real customers on Google. For independently verified ratings and recent photos, see our Checkatrade profile. [Listed on Checkatrade ](https://www.checkatrade.com/trades/1stclasscladdingandbuildinglimited "View our verified Checkatrade profile") [Leave a Google review](https://search.google.com/local/writereview?placeid=ChIJVVXRq7C32EcRujoMVvLz8qw) [See our verified reviews on Checkatrade](https://www.checkatrade.com/trades/1stclasscladdingandbuildinglimited) [Leave us a review on Checkatrade](https://www.checkatrade.com/trades/1stclasscladdingandbuildinglimited) Opens checkatrade.com in a new tab. Questions ## Straight Answers. Got something specific? Call 01375 802765 — You speak to the family direct. Which areas of Essex do you cover? + We're based in Grays and cover Essex and the surrounding areas. For larger projects, we're happy to travel further afield — just get in touch to check. How quickly can you respond to an enquiry? + We aim to respond within 24 hours. Call during working hours Monday to Friday and we'll get back to you as soon as we can. Site surveys are typically booked inside the same week. Do you provide fixed written quotes? + Yes — every job goes out as a fully itemised written quote following a site visit. No vague day rates, no surprise extras. Are you a Checkatrade member? + Yes — 1st Class Cladding & Building Ltd is a verified Checkatrade member. You can view our profile and verified customer reviews on Checkatrade. Do you handle building control and planning? + Yes — as part of the service we manage planning applications and approvals, then host building control inspections through to final sign-off. Architectural and structural drawings are done in partnership with NSP Architecture. What's your typical lead time for an extension? + Typically a minimum of around 2 months from signed contract to on-site start. Site surveys can usually be arranged within the same week, with a fixed written quote usually following within 48 hours of the visit. Larger jobs may need a little longer. Ready When You Are ## Tell Us About Your Project. Free site survey from your local Essex builders. We aim to respond within 24 hours. Fixed written quote — no hard sell. [Request Free Estimate](/contact) [01375 802765](tel:+441375802765) ![1st Class Building & Cladding](/__l5e/assets-v1/da7878a8-c82a-4ac1-b267-5e8a371c31f2/1stclass-logo.png) Family-run Essex builders with 35 years' combined hands-on experience. Extensions, refurbishments, loft conversions, luxury garden rooms and landscaping across Thurrock, Basildon, Romford and the wider Essex region. [01375 802765](tel:+441375802765)[1stclasscladding@gmail.com](mailto:1stclasscladding@gmail.com) 57 Malvern Road, Grays, RM17 5TH [](https://www.instagram.com/1st_class_building_ltd)[](https://www.facebook.com/share/1CpVA5G8ub/) [Listed on Checkatrade ](https://www.checkatrade.com/trades/1stclasscladdingandbuildinglimited "View our verified Checkatrade profile") ### EXPLORE - [Home](/) - [About](/about) - [Services](/services) - [Service Areas](/service-areas) - [Our Work](/our-work) - [Contact](/contact) ### SERVICES - [Extensions](/services/extensions "Extensions — Essex") - [Cladding](/services/cladding "Cladding — Essex") - [Luxury Garden Rooms](/services/luxury-garden-rooms "Luxury Garden Rooms — Essex") - [Refurbishments](/services/refurbishments "Refurbishments — Essex") - [Loft Conversions](/services/loft-conversions "Loft Conversions — Essex") - [Landscaping](/services/landscaping "Landscaping — Essex") - [New Build Homes](/services/new-build-homes "New Build Homes — Essex") - [Driveways & Patios](/services/driveways-patios "Driveways & Patios — Essex") - [Bathroom & Kitchen](/services/bathroom-kitchen-renovations "Bathroom & Kitchen — Essex") - [Structural Alterations & Repairs](/services/structural-repairs "Structural Alterations & Repairs — Essex") ### SERVICE AREAS - [Builders in Grays](/service-areas/grays "Builders in Grays") - [Builders in Thurrock](/service-areas/thurrock "Builders in Thurrock") - [Builders in Basildon](/service-areas/basildon "Builders in Basildon") - [Builders in Billericay](/service-areas/billericay "Builders in Billericay") - [Builders in Rochford](/service-areas/rochford "Builders in Rochford") - [Builders in Romford](/service-areas/romford "Builders in Romford") - [Builders in Upminster](/service-areas/upminster "Builders in Upminster") - [Builders in Hornchurch](/service-areas/hornchurch "Builders in Hornchurch") - [Builders in Essex](/service-areas/essex "Builders in Essex") © 2026 1st Class Cladding & Building Ltd. Company No. 13266520. All rights reserved. [Privacy Policy](/privacy-policy)[Terms & Conditions](/terms-conditions)Mon–Fri 9:00AM – 5:00PM · Sat 9:00 – 12:00 [Call Now](tel:+441375802765)[Get Estimate](/contact)