--- title: "Builders Across Essex | Extensions, Renovations & New Builds" description: "Essex builders covering Grays, Thurrock, Basildon, Billericay, Rochford, Romford, Upminster and Hornchurch. Extensions, refurbishments, loft conversions and more. 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We take selective larger projects across central and east Essex (Chelmsford, Southend, Maldon) where the scope justifies the travel." } }, { "@type": "Question", "name": "How long to reach an Essex job from Grays?", "acceptedAnswer": { "@type": "Answer", "text": "South Essex jobs are inside 35 minutes. Central Essex 30–45 minutes. East Essex 40–60 minutes. We schedule by region so the travel doesn't burn into your quote." } }, { "@type": "Question", "name": "Do you handle planning across multiple Essex councils?", "acceptedAnswer": { "@type": "Answer", "text": "Yes — Thurrock, Basildon, Havering, Rochford, Chelmsford and Brentwood are all regular for us. We know what each council will approve and what each one pushes back on." } }, { "@type": "Question", "name": "Can you take on larger Essex projects?", "acceptedAnswer": { "@type": "Answer", "text": "Yes — full wrap-around extensions, ground-up new builds, full refurbishments, landscape transformations. The bigger the brief the more we want to see the plans early." } }, { "@type": "Question", "name": "Do you take on Essex landlord refurbishments?", "acceptedAnswer": { "@type": "Answer", "text": "Yes — full strip and refit between tenancies or pre-sale, with proper certification on electrics, gas, EPC and any structural alterations." } }, { "@type": "Question", "name": "How much does an extension cost in Essex?", "acceptedAnswer": { "@type": "Answer", "text": "Cost varies enormously by area, ground conditions, size and finish. Itemised fixed written quotes after a site visit so you can see exactly what each element costs. No vague day rates." } }, { "@type": "Question", "name": "Do you cover emergency repairs across Essex?", "acceptedAnswer": { "@type": "Answer", "text": "Yes — storm damage, structural cracking, water ingress within our normal catchment. Make-safe inside 24 hours where possible, repair quote follows." } }, { "@type": "Question", "name": "Are you a Checkatrade member working across Essex?", "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 work on Essex conservation properties?", "acceptedAnswer": { "@type": "Answer", "text": "Yes — to the materials and methods the conservation officer requires. Matched brick, lime mortars, sympathetic detailing, sash window retention." } } ] }, { "@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": "Essex", "item": "/service-areas/essex" } ] } ] --- 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. Essex Essex Builders · Essex · 35+ Years On The Tools # Builders Across Essex. Grays Yard, County Covered. From our Grays base we cover south, central and east Essex — extensions, full refurbishments, loft conversions, new builds, garden rooms and structural work. One accountable team, fixed written quote inside 48 hours. [Request Free Estimate](/contact) [01375 802765](tel:+441375802765) Essex surveys booked for the right week · Fixed quotes inside 48 hours Covering Essex Essex jobs surveyed within the week Fixed Written Quote Family-Run, Owner-Led Local Relevance · Essex ## A Essex Builder, Not A Builder Who Visits Essex. ### Why We Work In Essex Essex is our home county. From the Grays yard we cover the full south-Essex catchment as a normal travel area — Thurrock, Basildon, Romford, Hornchurch, Upminster, Billericay, Rochford — and we take selective larger work across central and east Essex where the scope justifies the travel. Twenty-five years on the tools here means we know the county's property stock, the council patterns and the regional supply chain. ### Essex Property Types We Know Essex housing stock varies wildly across the county. South Essex carries new-town planned estates (Basildon, Harlow), older riverside towns (Grays, Tilbury), inter-war suburbs (Romford, Hornchurch, Upminster) and modern infill (Chafford Hundred, Purfleet-on-Thames). Central and west Essex carry village stock, market towns and conservation-area properties. East Essex carries coastal-influenced stock with its own weathering and damp considerations. We've worked across the lot. ### Common Briefs In Essex Essex briefs split roughly into four buckets: rear single-storey or two-storey extensions opening up dated kitchens and rear receptions; full whole-house refurbishments on recently-bought properties before move-in; loft conversions adding bedrooms and en-suites on the standard post-war semis; and luxury garden rooms, annexes and outbuildings on the larger inter-war and modern plots. Structural repairs — underpinning, lintel replacement, crack stitching, damp remediation — are a steady underlying call. ### Driving Time To Essex South Essex postcodes are all inside a 35-minute reach of our Grays yard. Central Essex (Chelmsford, Brentwood) is 30–45 minutes. East Essex (Southend, Maldon) is 40–60 minutes. We schedule by region so the travel doesn't bite into your quote. Services In Essex ## What We Build In Essex. [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 ### 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)[ 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 ### Luxury Garden Rooms Bespoke garden rooms, studios, home offices and gym annexes across Essex. Read Service Brief ](/services/luxury-garden-rooms)[ 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 Essex ## Trust Built On The Ground. Essex Our home county 35 min South-Essex reach 35+ yrs combined On the tools here Family-Run Owner-led, Grays-based What's Specific To Essex ## Local Problems, Local Answers. Property type, climate, building age and infrastructure all behave differently in Essex. Generic builders don't account for it. We do. ### London Clay Across South Essex Almost the entire south-Essex catchment sits on shrinkable London Clay. Extension foundations need to be designed around the actual ground conditions and any nearby trees — not a generic minimum depth. We get it right at design stage so the brickwork doesn't crack two summers later. ### Estuary & Coastal Microclimates Essex properties south and east of the A13 sit in marine-influenced microclimates. Wind-driven rain, salt air and increased weathering all change how render systems, fixings and external timber perform. We spec accordingly. ### Variable Council Planning Cultures Each Essex council interprets policy differently — Thurrock, Basildon, Havering, Rochford, Chelmsford, Brentwood. We've worked with all of them and we know what each one will and won't approve, which saves time at design stage. ### Mixed Building Ages Within One Estate A lot of Essex estates carry phased developments mixing 1950s, 1970s and 1990s construction in adjacent streets. Each era has its own quirks — wiring standards, insulation specs, structural detailing. We assess each property on its own terms. ### Permitted Development vs Conservation Essex carries pockets of strict conservation control alongside areas where almost any sensible single-storey rear extension falls under permitted development. We tell you on the first visit which route applies — saves the design fee on a scheme that can't get approval. 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. Essex Questions ## Straight Answers. Cost, response time, coverage, emergency availability — the Essex questions everyone asks, answered before you call. [Ask Yours](/contact) ### Which Essex postcodes do you cover? + South Essex — RM, SS, parts of CM — as a normal travel area. We take selective larger projects across central and east Essex (Chelmsford, Southend, Maldon) where the scope justifies the travel. ### How long to reach an Essex job from Grays? + South Essex jobs are inside 35 minutes. Central Essex 30–45 minutes. East Essex 40–60 minutes. We schedule by region so the travel doesn't burn into your quote. ### Do you handle planning across multiple Essex councils? + Yes — Thurrock, Basildon, Havering, Rochford, Chelmsford and Brentwood are all regular for us. We know what each council will approve and what each one pushes back on. ### Can you take on larger Essex projects? + Yes — full wrap-around extensions, ground-up new builds, full refurbishments, landscape transformations. The bigger the brief the more we want to see the plans early. ### Do you take on Essex landlord refurbishments? + Yes — full strip and refit between tenancies or pre-sale, with proper certification on electrics, gas, EPC and any structural alterations. ### How much does an extension cost in Essex? + Cost varies enormously by area, ground conditions, size and finish. Itemised fixed written quotes after a site visit so you can see exactly what each element costs. No vague day rates. ### Do you cover emergency repairs across Essex? + Yes — storm damage, structural cracking, water ingress within our normal catchment. Make-safe inside 24 hours where possible, repair quote follows. ### Are you a Checkatrade member working across Essex? + Yes — 1st Class Cladding & Building Ltd is a verified Checkatrade member. You can view our profile and verified customer reviews on Checkatrade. ### Do you work on Essex conservation properties? + Yes — to the materials and methods the conservation officer requires. Matched brick, lime mortars, sympathetic detailing, sash window retention. Nearby Service Areas ## We Also Work In… [All Service Areas](/service-areas) [Builders In Grays ](/service-areas/grays) [Builders In Thurrock](/service-areas/thurrock) [Builders In Basildon](/service-areas/basildon) [Builders In Billericay](/service-areas/billericay) [Builders In Romford](/service-areas/romford) [Builders In Upminster](/service-areas/upminster) [Builders In Hornchurch](/service-areas/hornchurch) [Builders In Rochford](/service-areas/rochford) Next Step · Essex ## Essex Job? Grays Yard, Whole County Covered. Free site survey across Essex, 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. 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