--- title: "Builders in Billericay | Extensions, Garden Rooms & New Builds" description: "Billericay builders running extensions, luxury garden rooms, loft conversions and refurbishments across CM11 and CM12. Fixed written quotes. Call 07576 567152." 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": "LocalBusiness", "@id": "/service-areas/billericay#localbusiness", "name": "1st Class Cladding & Building Ltd — Builders in Billericay", "description": "Billericay builders running extensions, luxury garden rooms, loft conversions and refurbishments across CM11 and CM12. Fixed written quotes. Call 07576 567152.", "telephone": "01375 802765", "email": "1stclasscladding@gmail.com", "priceRange": "££", "address": { "@type": "PostalAddress", "streetAddress": "57 Malvern Road", "addressLocality": "Grays", "postalCode": "RM17 5TH", "addressCountry": "GB" }, "areaServed": { "@type": "Place", "name": "Billericay", "geo": { "@type": "GeoCoordinates", "latitude": 51.628, "longitude": 0.418 } }, "openingHours": [ "Mo-Fr 09:00-17:00", "Sa 09:00-12:00" ] }, { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Do you cover all Billericay postcodes?", "acceptedAnswer": { "@type": "Answer", "text": "Yes — CM11 and CM12 covering central Billericay, Stock, Ramsden Heath, Mountnessing Road, Outwood Common and the surrounding villages." } }, { "@type": "Question", "name": "How long to reach a Billericay job from Grays?", "acceptedAnswer": { "@type": "Answer", "text": "Around 30 minutes via the A127. We schedule Billericay surveys in blocks alongside Basildon and Wickford visits." } }, { "@type": "Question", "name": "Can you take on larger Billericay extension projects?", "acceptedAnswer": { "@type": "Answer", "text": "Yes — full wrap-around, two-storey rear, side and rear combined schemes, larger garden-room annexes. The bigger plots support bigger briefs and we're set up for them." } }, { "@type": "Question", "name": "Do you handle Basildon Council planning for Billericay?", "acceptedAnswer": { "@type": "Answer", "text": "Yes — Billericay sits inside Basildon Borough, and we work with the council's planning team on submissions and book building control inspections at every required stage." } }, { "@type": "Question", "name": "Can you build standalone garden rooms or annexes in Billericay?", "acceptedAnswer": { "@type": "Answer", "text": "Yes — bespoke timber-framed garden rooms with kitchenettes, shower rooms and proper insulation. Many fall under permitted development, but we'll check size, height and curtilage rules before quoting." } }, { "@type": "Question", "name": "How much does a two-storey extension cost in Billericay?", "acceptedAnswer": { "@type": "Answer", "text": "Cost depends on size, ground conditions and finish — Billericay briefs typically include higher-spec finishes which we price for transparently. Itemised fixed quotes after a site visit." } }, { "@type": "Question", "name": "Do you work in Billericay conservation areas?", "acceptedAnswer": { "@type": "Answer", "text": "Yes — to the materials and methods the conservation officer requires. Matched brick, lime mortars, sympathetic detailing." } }, { "@type": "Question", "name": "Can you build a new house on a Billericay plot?", "acceptedAnswer": { "@type": "Answer", "text": "Yes — ground-up new-build houses where the plot has consent. Foundations to final decoration, building control sign-off, NHBC or alternative warranty coordinated." } } ] }, { "@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Home", "item": "/" }, { "@type": "ListItem", "position": 2, "name": "Service Areas", "item": "/service-areas" }, { "@type": "ListItem", "position": 3, "name": "Billericay", "item": "/service-areas/billericay" } ] } ] --- 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) 1. [Home](/) 2. [Service Areas](/service-areas) 3. Billericay Essex Builders · Billericay · 35+ Years On The Tools # Builders In Billericay. Larger Plots, Larger Briefs Welcome. Billericay's housing skews larger and older than the south-Essex average — bigger plots, bigger budgets, bigger briefs. Extensions, luxury garden rooms, loft conversions, refurbishments and new builds across CM11 and CM12 by one accountable team. [Request Free Estimate](/contact) [01375 802765](tel:+441375802765) Billericay surveys booked this week · Fixed quotes inside 48 hours Covering Billericay Billericay jobs surveyed within 48 hours Fixed Written Quote Family-Run, Owner-Led Local Relevance · Billericay ## A Billericay Builder, Not A Builder Who Visits Billericay. ### Why We Work In Billericay Billericay is a regular working area for us — Grays to central Billericay is around 30 minutes via the A127. Billericay's housing market sits notably above the south-Essex average, with bigger plots, larger detached stock and homeowners commissioning fuller-spec extensions, garden rooms and refurbishments. We take that work seriously: longer surveys, more detailed specifications, finishes specified to the brief. ### Billericay Property Types We Know Billericay carries a higher proportion of detached and large semi-detached stock than most of south Essex. The Stock Road, Mountnessing Road and Outwood Common areas are full of inter-war and post-war detached houses on generous plots — ideal for wrap-around extensions, two-storey side extensions and standalone garden rooms or annexes. The older town centre carries some Victorian and Edwardian stock. Newer developments around Queens Park and the southern fringes run on modern cavity construction with larger floorplans. ### Common Briefs In Billericay The Billericay brief we price most often is a substantial wrap-around or two-storey rear extension — typically opening up the kitchen, dining and living spaces into one connected ground floor, with bedrooms and en-suites added above. Luxury garden rooms are the second most common call: bespoke timber-framed studios with kitchenettes and shower rooms, doubling as home offices, gym spaces or guest annexes. Whole-house refurbishments on character properties are a regular call, as are loft conversions on the larger semi-detached stock. ### Driving Time To Billericay Grays to central Billericay is around 30 minutes via the A127. We schedule Billericay surveys around Basildon and Wickford visits so the travel time is amortised — it keeps the cost off the quote and lets us turn around surveys quickly. Services In Billericay ## What We Build In Billericay. [All Services](/services) [ 01 ### House Extensions Single-storey, two-storey, side-return and wrap-around extensions across Essex. Read Service Brief ](/services/extensions)[ 02 ### Cladding External cladding by our in-house specialist team. Read Service Brief ](/services/cladding)[ 03 ### Luxury Garden Rooms Bespoke garden rooms, studios, home offices and gym annexes across Essex. Read Service Brief ](/services/luxury-garden-rooms)[ 04 ### Loft Conversions Dormer, hip-to-gable, mansard and L-shape loft conversions across Essex. Proper headroom, building-reg-compliant stairs, fire safety done right, finished to the same standard as the floors below. Fixed written quote, building control coordinated. Read Service Brief ](/services/loft-conversions)[ 05 ### Whole-House Refurbishments Whole-house and room-by-room refurbishments across Grays, Thurrock, Basildon and Essex. Strip back, rewire, replumb, replaster, refit and decorate. Read Service Brief ](/services/refurbishments)[ 06 ### Landscaping Front and rear garden builds across Essex. Read Service Brief ](/services/landscaping)[ 07 ### New Build Homes Single-plot new build homes across Essex. Read Service Brief ](/services/new-build-homes)[ 08 ### Driveways & Patios Block paving, porcelain patios, natural stone and resin-bound driveways across Essex. Read Service Brief ](/services/driveways-patios)[ 09 ### Bathroom & Kitchen Renovations Full bathroom and kitchen renovations across Essex. Read Service Brief ](/services/bathroom-kitchen-renovations)[ 010 ### Structural Alterations & Repairs Failed lintels, sagging openings, steel beam installs, internal wall removals and structural alterations across Essex. Read Service Brief ](/services/structural-repairs) Why Choose Us In Billericay ## Trust Built On The Ground. 30 min From our Grays yard Larger Plots and briefs 35+ yrs combined Across Essex Spec'd To finish, not to budget What's Specific To Billericay ## Local Problems, Local Answers. Property type, climate, building age and infrastructure all behave differently in Billericay. Generic builders don't account for it. We do. ### Mature Tree Cover Billericay's larger plots often have mature trees on or near the boundaries. Foundation design needs to account for root influence zones — and TPO (Tree Preservation Order) checks are standard here. We do the checks before quoting so the design we propose is the design we can actually build. ### Greenbelt & Conservation Constraints Parts of the wider Billericay area sit in greenbelt or conservation zones with tight planning restrictions on extensions, outbuildings and external alterations. We work with local planning consultants where the scheme needs it, and we tell you the route on the first visit. ### Higher-Spec Finishes Expected Billericay's market expects higher-spec finishes than the south-Essex average — solid-oak doors and frames, designer kitchens, full-height tiling, quality glazing. We price for the spec, not a generic budget — and we'll tell you on the survey where the budget needs to land for the look you want. ### Older Detached Stock With Original Wiring A lot of the inter-war Billericay detached stock still carries original or part-rewired electrics, single-skin garage walls, and original boilers in dated airing cupboards. A coordinated refurbishment programme pulls all of it up to current standards in one pass. How It Works ## First Call To Final Sign-Off. 01 ### Enquiry Tell us the brief by phone, email or form. 02 ### On-Site Survey We come out, measure up and listen properly. 03 ### Fixed Written Quote Itemised quote with a clear programme — inside 48 hours. 04 ### Build & Sign-Off On site daily, tidy at end of day, signed off when you're happy. Billericay Questions ## Straight Answers. Cost, response time, coverage, emergency availability — the Billericay questions everyone asks, answered before you call. [Ask Yours](/contact) ### Do you cover all Billericay postcodes? + Yes — CM11 and CM12 covering central Billericay, Stock, Ramsden Heath, Mountnessing Road, Outwood Common and the surrounding villages. ### How long to reach a Billericay job from Grays? + Around 30 minutes via the A127. We schedule Billericay surveys in blocks alongside Basildon and Wickford visits. ### Can you take on larger Billericay extension projects? + Yes — full wrap-around, two-storey rear, side and rear combined schemes, larger garden-room annexes. The bigger plots support bigger briefs and we're set up for them. ### Do you handle Basildon Council planning for Billericay? + Yes — Billericay sits inside Basildon Borough, and we work with the council's planning team on submissions and book building control inspections at every required stage. ### Can you build standalone garden rooms or annexes in Billericay? + Yes — bespoke timber-framed garden rooms with kitchenettes, shower rooms and proper insulation. Many fall under permitted development, but we'll check size, height and curtilage rules before quoting. ### How much does a two-storey extension cost in Billericay? + Cost depends on size, ground conditions and finish — Billericay briefs typically include higher-spec finishes which we price for transparently. Itemised fixed quotes after a site visit. ### Do you work in Billericay conservation areas? + Yes — to the materials and methods the conservation officer requires. Matched brick, lime mortars, sympathetic detailing. ### Can you build a new house on a Billericay plot? + Yes — ground-up new-build houses where the plot has consent. Foundations to final decoration, building control sign-off, NHBC or alternative warranty coordinated. Nearby Service Areas ## We Also Work In… [All Service Areas](/service-areas) [Builders In Basildon ](/service-areas/basildon) [Builders In Rochford](/service-areas/rochford) [Builders In Essex](/service-areas/essex) Next Step · Billericay ## Billericay Job? Built To Your Spec, Quoted In Writing. Free site survey across Billericay, fixed written quote inside 48 hours, no obligation. 35+ years on the tools, Grays-based. [Request Free Estimate](/contact) [01375 802765](tel:+441375802765) Listed on Checkatrade 35+ Years Grays-Based ![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)