--- title: "Builders in Basildon | Extensions, Loft Conversions & Renovations" description: "Basildon builders running extensions, loft conversions, refurbishments and garden rooms across SS13–SS16. Fixed written quotes inside 48 hours. 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Anywhere within the Basildon Borough we work as a normal travel area." } }, { "@type": "Question", "name": "How long to reach a Basildon job from Grays?", "acceptedAnswer": { "@type": "Answer", "text": "Around 25 minutes via the A13 and A176 outside peak. We schedule Basildon surveys around traffic windows so we're not stuck in queues on your time." } }, { "@type": "Question", "name": "Can you extend a Basildon new-town semi?", "acceptedAnswer": { "@type": "Answer", "text": "Yes — we've extended dozens. Rear single-storey, two-storey rear, side-return where the plot allows, and full wrap-around where the corner plot supports it. We know the standard floorplans." } }, { "@type": "Question", "name": "Do you handle Basildon Council building control?", "acceptedAnswer": { "@type": "Answer", "text": "Yes — submissions, inspection booking and sign-off paperwork. Standard part of every extension, loft conversion or structural job." } }, { "@type": "Question", "name": "Can you convert a Basildon garage into living space?", "acceptedAnswer": { "@type": "Answer", "text": "Yes — proper conversion with foundation underpinning, cavity-wall rebuild, insulation to current standards, ventilation and a building control sign-off. Not a block-up-and-skim job." } }, { "@type": "Question", "name": "How much does a loft conversion cost in Basildon?", "acceptedAnswer": { "@type": "Answer", "text": "Cost depends on layout (Velux only, hip-to-gable, L-shape dormer), stair position and finish. We give itemised fixed quotes after a site visit so you can see exactly what each element costs." } }, { "@type": "Question", "name": "Do you take on full refurbishments in Basildon?", "acceptedAnswer": { "@type": "Answer", "text": "Yes — full strip, rewire, replumb, insulation, plaster, kitchen, bathrooms, decoration. One team end to end. Particularly suited to recently-bought new-town properties before you move in." } }, { "@type": "Question", "name": "Can you work on the older village stock at Vange and Pitsea?", "acceptedAnswer": { "@type": "Answer", "text": "Yes — Victorian and Edwardian terraced houses, solid-brick walls, original detailing. We detail breathable build-ups where the fabric demands it." } } ] }, { "@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": "Basildon", "item": "/service-areas/basildon" } ] } ] --- 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. Basildon Essex Builders · Basildon · 35+ Years On The Tools # Builders In Basildon. Extensions, Lofts, Refurbishments — Built Properly. From Pitsea and Vange terraces to Laindon and Langdon Hills semis, Wickford and Crays Hill detached — one team handling extensions, loft conversions, refurbishments and garden rooms across Basildon. Fixed written quote inside 48 hours. [Request Free Estimate](/contact) [01375 802765](tel:+441375802765) Basildon site surveys booked this week · Fixed quotes inside 48 hours Covering Basildon Basildon jobs surveyed within 48 hours Fixed Written Quote Family-Run, Owner-Led Local Relevance · Basildon ## A Basildon Builder, Not A Builder Who Visits Basildon. ### Why We Work In Basildon Basildon is a regular working area for us — Grays to central Basildon is around 25 minutes up the A13 and A176. We've worked across the borough's full property mix: the planned post-war housing in the original Basildon new-town estates, the older village stock around Vange, Pitsea and Laindon, and the newer detached and semi-detached developments around Langdon Hills, Crays Hill and the Wickford fringe. ### Basildon Property Types We Know Basildon's housing is unusually well-defined because of its new-town heritage. Large parts of the borough — central Basildon, Vange, Pitsea, Laindon — were planned and built in the 1950s–70s on a coordinated layout, which means consistent property types: 3-bed semis with rear gardens, short terraces in defined streets, and a lot of identical floorplans repeated across estates. Around the fringes — Langdon Hills, Billericay border, Wickford — you find larger inter-war and post-war detached stock on bigger plots. The older village cores at Vange and Pitsea carry Victorian and Edwardian terraces. ### Common Briefs In Basildon The Basildon brief we price most often is a rear extension on a new-town semi — knocking through the original small kitchen and dining room into one open-plan kitchen-diner with bi-folds to the rear garden, often combined with a side-return where the plot allows. Loft conversions are the second most common call: hip-to-gable or full L-shape dormers giving a third or fourth bedroom and en-suite. Whole-house refurbishments on recently-bought new-town stock are a regular call — kitchens, bathrooms, rewires, insulation, replacement windows in a coordinated programme. ### Driving Time To Basildon Grays to central Basildon is around 25 minutes via the A13 and A176. We can fit Basildon surveys around the same days we're booked in Thurrock or Wickford, which keeps the travel cost off your quote. Services In Basildon ## What We Build In Basildon. [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 ### 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)[ 04 ### 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)[ 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 Basildon ## Trust Built On The Ground. 25 min From our Grays yard 48 hrs Written quote turnaround 35+ yrs combined Across Essex SS13-SS16 Postcodes worked weekly What's Specific To Basildon ## Local Problems, Local Answers. Property type, climate, building age and infrastructure all behave differently in Basildon. Generic builders don't account for it. We do. ### Repetitive New-Town Floorplans A lot of Basildon's housing was built on a small number of repeating floorplans. That's an advantage — we've extended dozens of the same layouts and we know which structural openings work and which ones need a heavier steel than the generic spec. ### Original Single-Skin Garages Many new-town Basildon semis have original single-skin attached garages — useless as garages now and not insurance-grade structurally. Converting them into kitchens, utilities or studies needs proper foundation underpinning, cavity rebuild and a building control sign-off, not a quick block-and-skim. ### Original Steel Window Frames Some original Basildon new-town properties still carry single-glazed steel-framed windows in solid openings. Replacement to modern uPVC or aluminium needs the openings checked for lintel adequacy and rebate detailing — they don't drop straight in. ### Loft Headroom On Standard Pitches The standard post-war pitched roof in Basildon gives marginal headroom for a usable loft conversion. Hip-to-gable or full L-shape dormer is almost always required to get a habitable space — not a simple Velux conversion. We design accordingly. ### Clay-Influenced Drainage Like the rest of the south-Essex catchment, Basildon sits on clay. Patio levels, garden drainage and extension foundations all need designed-in drainage to push water away from the property. Skipping this is why so many Basildon gardens flood in heavy rain. 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. Basildon Questions ## Straight Answers. Cost, response time, coverage, emergency availability — the Basildon questions everyone asks, answered before you call. [Ask Yours](/contact) ### Do you cover all Basildon postcodes? + Yes — SS13, SS14, SS15, SS16 covering central Basildon, Pitsea, Vange, Laindon, Langdon Hills, Crays Hill and the surrounding villages. Anywhere within the Basildon Borough we work as a normal travel area. ### How long to reach a Basildon job from Grays? + Around 25 minutes via the A13 and A176 outside peak. We schedule Basildon surveys around traffic windows so we're not stuck in queues on your time. ### Can you extend a Basildon new-town semi? + Yes — we've extended dozens. Rear single-storey, two-storey rear, side-return where the plot allows, and full wrap-around where the corner plot supports it. We know the standard floorplans. ### Do you handle Basildon Council building control? + Yes — submissions, inspection booking and sign-off paperwork. Standard part of every extension, loft conversion or structural job. ### Can you convert a Basildon garage into living space? + Yes — proper conversion with foundation underpinning, cavity-wall rebuild, insulation to current standards, ventilation and a building control sign-off. Not a block-up-and-skim job. ### How much does a loft conversion cost in Basildon? + Cost depends on layout (Velux only, hip-to-gable, L-shape dormer), stair position and finish. We give itemised fixed quotes after a site visit so you can see exactly what each element costs. ### Do you take on full refurbishments in Basildon? + Yes — full strip, rewire, replumb, insulation, plaster, kitchen, bathrooms, decoration. One team end to end. Particularly suited to recently-bought new-town properties before you move in. ### Can you work on the older village stock at Vange and Pitsea? + Yes — Victorian and Edwardian terraced houses, solid-brick walls, original detailing. We detail breathable build-ups where the fabric demands it. Nearby Service Areas ## We Also Work In… [All Service Areas](/service-areas) [Builders In Billericay ](/service-areas/billericay) [Builders In Thurrock](/service-areas/thurrock) [Builders In Rochford](/service-areas/rochford) Next Step · Basildon ## Basildon Job? Get A Local Essex Builder. Free site survey across Basildon, 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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