We use essential cookies to run this site, and optional cookies only with your consent. Cookie policy AcceptReject Open 7 days · Hours vary by day · 25 years' experience Office: 01279 216 215 | Mobile: 07932 442502 Services Areas About Our Work Blog Reviews Contact 01279 216 215 Free Quote - Home - Building & Construction - Plastering & Rendering Plastering & Rendering # Plastering & Rendering in Bishop's Stortford & Hertfordshire Skim coats, float-and-set, full re-plasters, K-Rend and traditional sand-and-cement render — smooth substrates ready to decorate, weatherproof external finishes that won't crack within five years. Get a Free Quote 01279 216 215 25 years' experience Five-star rated Workmanship guarantee 25 Years' Experience Workmanship Guarantee SafeContractor Approved Gas Safe (where required) Open 7 Days Herts & Essex Coverage Overview ## Plaster That Reads Flat. Render That Lasts. Plaster is the single most-touched finish in your home — every wall, every ceiling, behind every painted surface. Done well, it reads dead flat under any light and provides a perfect substrate for decoration. Done badly, it telegraphs every undulation, every trowel mark, every patch through the paint — and there's no fixing it without going back to the plaster. Our plastering scope covers internal skim coats over plasterboard, float-and-set on bare brickwork, full re-plasters as part of refurbishments, and external rendering — both modern through-coloured systems like K-Rend and traditional sand-and-cement render with paint finish. Why It Matters ## Why Bad Plastering Shows Through Forever The visible failures of poor plastering are obvious in the wrong light — undulating surfaces, ridges where trowel passes weren't blended, hollows around socket cut-outs, drummy patches where the plaster has lost adhesion to the substrate. None of these can be hidden by paint or wallpaper — they show through every time. External render failures are worse: cracking caused by inadequate beading, water ingress at junction details, blown patches where the render has lost adhesion, and pattern staining from algae growth on cheap render systems. Most external render that fails within ten years failed because the application skipped a fundamental step. Our Process ## How We Deliver Plastering & Rendering 01 ### Substrate Prep Old plaster removed where loose, walls dust-removed, PVA bonding coat applied where needed. 02 ### Beading & Backing Beads fixed where required (corners, stop ends), scratch coat applied on bare brick if float-and-set. 03 ### Application Plaster applied to consistent depth, ruled and trowelled flat to manufacturer specification. 04 ### Final Trowel Multiple trowel passes to close the surface, achieve flat finish, ready for decoration. 05 ### Inspection Side-light check for flatness, snagging completed before final payment. Benefits ## What You Get with J&Co ### Decoration-Ready Finish Plaster delivered ready to mist coat — no further preparation needed. ### Through-Coloured Render K-Rend and similar systems eliminate the paint maintenance cycle. ### Manufacturer Specs Render systems applied strictly to manufacturer specification — preserves the warranty. ### Side-Light Flat Plaster checked under raking light before sign-off — what you'd see under a wall lamp. Technical Detail ## Internal Plastering and External Rendering — Different Disciplines Internal plastering divides into two main types. Skim coats over existing plasterboard or sound old plaster (the most common scope, typically 2–3mm finish coat). Float-and-set on bare brick or block (a thicker base coat 'float' to even out the substrate, then a finish 'set' coat — typical on new builds and full refurbishments). Both are finished with multiple trowel passes to close the surface. External rendering divides between traditional and modern systems. Traditional sand-and-cement render is applied in scratch + finish coats and painted afterwards — long-established but requires repainting every 5–8 years. Modern through-coloured systems (K-Rend, Weber, Parex) are coloured throughout the render itself — no painting required, no maintenance cycle, but more sensitive to substrate prep and weather conditions during application. External insulated render systems (EWI) are a separate specialism — adding insulation to the outside of the wall before rendering. Significant project, requires careful detailing at openings, and dramatically improves thermal performance of older solid-wall properties. Quote on request. Plastering is often part of larger projects — see our renovations service, extensions service and loft conversions service. Skim coat application — the most common internal plastering scope. Honest Pricing ## How Much Does Plastering Cost in Hertfordshire? Plastering typically priced per room or per square metre. Honest guide ranges below. Skim coat (per room) £350–£800 Typical bedroom or living room walls and ceiling skim coat over existing sound substrate. Float-and-set (per room) £600–£1,400 Two-coat plaster on bare brick or block — typical for full refurbishment scope. External render £40–£90 per m² Traditional render or K-Rend application — depends on system, scaffold and substrate. ### What affects the price - Room size (m²) and ceiling height - Substrate type (plasterboard / brick / block) - Number of beads and stop ends required - Render system (traditional / through-coloured) - Scaffold requirement (for external render) - Substrate preparation (old plaster removal) Get Your Free Written Quote Service Area ## Areas We Cover for Plastering & Rendering We deliver this service across our full Hertfordshire and Essex catchment. Regular projects in Bishop's Stortford, Sawbridgeworth, Harlow, Saffron Walden, Stansted Mountfitchet, Great Dunmow, Epping, Ware, Hoddesdon, Broxbourne, Cheshunt, Welwyn Garden City and Stevenage. Outside this list? Call us with your postcode — we frequently work the wider London fringe and across the rest of Hertfordshire. Recent Work ## Recent Plastering & Rendering Projects View full portfolio FAQs ## Plastering & Rendering — Frequently Asked Questions ### svg]:rotate-180 text-left font-bold text-base hover:no-underline py-5" data-radix-collection-item=""> How long does plaster take to dry? ### svg]:rotate-180 text-left font-bold text-base hover:no-underline py-5" data-radix-collection-item=""> Can you plaster over existing plaster? ### svg]:rotate-180 text-left font-bold text-base hover:no-underline py-5" data-radix-collection-item=""> What's the difference between K-Rend and painted render? ### svg]:rotate-180 text-left font-bold text-base hover:no-underline py-5" data-radix-collection-item=""> How long should plaster last? ### svg]:rotate-180 text-left font-bold text-base hover:no-underline py-5" data-radix-collection-item=""> Will you make a mess? ### svg]:rotate-180 text-left font-bold text-base hover:no-underline py-5" data-radix-collection-item=""> Can you plaster ceilings? ### svg]:rotate-180 text-left font-bold text-base hover:no-underline py-5" data-radix-collection-item=""> Is the work guaranteed? Related Services Renovations & Refurbishments Brickwork & Masonry Damp Proofing & Waterproofing Loft Conversions Back to Building & Construction ## Get a Free Plastering or Rendering Quote Owner-led survey, fixed itemised quote, decoration-ready finish. Across Hertfordshire and Essex. Request Free Quote 01279 216 215 Page last updated: May 2026 · J&Co Builders Ltd · 1 Ugley Hall Cottages, Bishop's Stortford CM22 6JB Owner-led roofing and building contractors covering Bishop's Stortford, Hertfordshire and Essex. 25 years of hands-on trade experience. Open seven days. 01279 216 215 (office) 07932 442502 (mobile) info@jandco-contractorsltd.co.uk 1 Ugley Hall Cottages, Bishop's Stortford CM22 6JB Open 7 days a week - Sun 07:00–17:30 - Mon 07:00–17:00 - Tue 07:30–17:00 - Wed 07:00–17:30 - Thu 07:00–17:30 - Fri 06:00–18:00 - Sat 09:00–17:00 We accept VISAAMEX PayG Pay ### Roofing - All roofing services - Flat Roofing - Roof Repairs & Maintenance - Emergency Roof Repairs - Guttering, Fascias & Soffits - Chimney Repairs & Repointing ### Building & Construction - All building services - Building & Extensions - Loft Conversions - Renovations & Refurbishments - Brickwork & Masonry - Damp Proofing & Waterproofing - Plastering & Rendering - Patio & Driveway Installations - Fencing & Garden Walls - Property Maintenance ### Areas We Cover - Bishop's Stortford - Stansted Mountfitchet - Sawbridgeworth - Great Dunmow - Harlow - Saffron Walden - Epping - Ware - Hoddesdon - Broxbourne - Cheshunt - Welwyn Garden City - Stevenage ### Company - About J&Co - Our Recent Work - Blog - Customer Reviews - Contact Us © 2026 J&Co Builders Ltd · Trading as J&Co Contractors · All rights reserved. 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