What Lime Green does

Lime Green Products Ltd is a UK-based manufacturer founded in 2002 and headquartered at Coates Kilns, Stretton Road, Much Wenlock, Shropshire, producing lime-based building materials and natural insulation systems for the heritage conservation, sustainable new-build, and building retrofit sectors. The product portfolio spans five categories — lime plasters (Solo Onecoat, Fibrelime, Fine Stuff, Ultra, Duro), lime mortars (Ashlar, Natural, Coloured Cement), lime renders (Natural Finish, Tradirend, Roman Stucco, Finish WP, Silicate, Forte), the Warmshell natural insulation system (internal, external and roof woodfibre/aerogel/hemp-lime insulation), and the Silic8 range of primers and adhesives plus the Contour masonry repair line — totalling over 40 SKUs available in 24 standard colours with a custom colour-matching service. Colour consistency is controlled to ±1g per tonne per shipment, and the company holds ISO 9001 and ISO 14001 certifications.

The business operates a dual-channel go-to-market: a nationwide UK & Ireland distributor network (including a 17+ year partnership with Ecomerchant) handling volume sales of 25kg paper sacks and 1000kg bulk bags, alongside direct account management with quote-based pricing, silo storage and multi-year contracts for larger commercial and heritage projects. Customers span four primary segments — the heritage and conservation sector, architects and specifiers, contractors, and homeowners — with marquee specification wins including the Tower of London, Shakespeare's Globe Theatre, London King's Cross Station, the Bomber Command Memorial, Westminster Fire Station, Newport Street Gallery (RIBA Stirling Prize 2016) and the Ribblehead Viaduct. Marketing is content-led (knowledge base, case studies), supported by free training at the Lime Green Training Centre, industry show appearances including RHS Chelsea Flower Show (Gold medal, 2024), and partnerships with RetrofitWorks, The Brick Tile Company and equipment supplier m-tec.

The company is privately held by co-founder and Managing Director Simon Ayres, with no disclosed external investment, no parent company and no subsidiaries. In 2024 it completed phased plant upgrades at its Much Wenlock facility (new mixers and an automated packaging line) to expand capacity and shorten lead times, consistent with a capacity-led rather than acquisitive growth posture.

Name

Lime Green

Legal name

Lime Green Products Ltd

Website

https://lime-green.co.uk

Company type

Private

Founded year

2002

Operating status

Operating

Headcount range

11–50 employees

Short description

Lime Green Products Ltd, founded in 2002 and based in Much Wenlock, UK, manufactures lime mortars, plasters, renders and the Warmshell natural insulation system for heritage conservation, sustainable new-build, and retrofit projects across the UK and Ireland.

Ownership category

akta.pro rank

Product category

Lime-Based Building Materials

NAICS

Lime Manufacturing (327410), Lime Manufacturing (32741), Lime and Gypsum Product Manufacturing (3274)

SIC

Concrete, Gypsum & Plaster Products (3270)

akta.pro primary industry

Plaster (Gypsum/Lime/Cement) & Basecoat Systems (IMADAEAC)

akta.pro secondary industries

Textured Wall Finishes (Plasters, Stucco, Tadelakt) (IMADAKAH), Cementitious Binders & Additives (Fly Ash, Slag, Silica Fume, Lime) (IMADAAAH)

Keywords

• Lime mortar manufacturing
• Lime plaster products
• Lime render systems
• Natural insulation materials
• Heritage building supplies

Headquarters

HQ city

Much Wenlock

HQ country

United Kingdom

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Marketing or Sales, Infrastructure

Revenue model

1. Lime Mortar Products: Sale of natural lime mortars, hydraulic lime mortars, and ashlar mortars for building, repointing and pointing repair on brick, block and stonework.
2. Lime Plaster Products: Sale of lime-based plasters including Solo Onecoat, Fibrelime, Fine Stuff Lime Putty, Ultra insulated base coat, and Duro base coat for internal wall coatings.
3. Lime Render Products: Sale of lime renders including Natural Finish, Tradirend, Roman Stucco, Finish WP, Silicate Render, and insulated base coats for external applications.
4. Natural Insulation Systems: Sale of Warmshell insulation products including woodfibre boards, aerogel boards, hemp lime binder, and compatible plasters and renders.
5. Primers, Adhesives and Accessories: Sale of Silic8 range of primers, adhesives, stabilising water repellents, and masonry repair products including Contour brick and stone repair.
6. Colour Matching Service: Custom colour matching service for larger quantities, creating bespoke mortar and render colours to match existing historic masonry.

Pricing tiers

Go-to-market motion3 records

Distribution channels4 records

Marketing channels5 records

Core offering

Lime Green manufactures and supplies hydraulic lime mortars, lime plasters, lime renders, and the Warmshell natural woodfibre insulation system for heritage restoration, renovation, retrofit, and sustainable new build construction. Products are pre-bagged, colour-matched, and specified by architects and contractors for projects ranging from national landmarks to residential properties across the UK and Ireland.

Product overview

Lime Green is the UK's foremost manufacturer of lime mortar, lime plaster, lime render, and natural insulation systems. Founded in 2002 and based in Much Wenlock, Shropshire, the company offers a comprehensive portfolio of building materials organized into distinct product categories: lime plasters (including Solo Onecoat, Fibrelime, Fine Stuff, Ultra, and Duro), lime mortars (Ashlar, Natural, and Coloured Cement varieties), lime renders (Natural Finish, Tradirend, Roman Stucco, Finish WP, Silicate, Ultra, Duro, Warmshell Meshcoat, and Forte), insulation systems under the Warmshell brand (Internal Wall, External Wall, and Roof insulation using woodfibre and aerogel boards), primers and adhesives under the Silic8 brand, and masonry repair products (Contour, Roman Stucco Cast, and Pure Lime Grout). The company also offers 24 standard colours across their product range, with colour matching services available. Their products serve architects, contractors, homeowners, and the conservation sector across the UK and Ireland, with applications ranging from historic building preservation to new sustainable construction.

Differentiator

Problem solved

Functional benefit

Brands

• Warmshell: Natural woodfibre insulation system with products designed and tested together for outstanding performance - includes internal wall insulation, external wall insulation, and roof insulation.
• Silic8
• Contour
• Solo

Products and services

• Lime Plaster Range Interior lime plasters including Solo Onecoat (one-coat lime plaster for masonry, undercoats and boards), Fibrelime (fibre-reinforced plaster), Fine Stuff Lime Putty (finishing plaster), Ultra (insulated lime basecoat), Duro (general-purpose lime render base coat), plus reinforcement mesh, stipple preparation coat and Solo Filler. For architects, contractors and homeowners working on internal walls of heritage and sustainable buildings.
• Lime Mortar Range Mortars for building, repointing and pointing repair on brick, block and stonework. Includes Ashlar Lime Mortar (fine-grained for 3-6mm joints), Natural Lime Mortar (general-purpose premixed lime mortar), and Coloured Cement Mortar (premixed coloured mortar in a range of strengths, colours and textures). For heritage and conservation contractors, architects and homeowners.
• Lime Render Range External lime renders including Natural Finish (self-coloured durable lime finish coat), Tradirend (decorative lime and white cement finish coat), Roman Stucco (fast-setting Roman Cement render for decorative moulding repair), Finish WP (water-resistant breathable finish for Warmshell EWI), Silicate Render (waterglass-based decorative top coat), Ultra (insulating lime basecoat), Duro (general-purpose base coat), Warmshell Meshcoat (flexible base coat for Warmshell system), Forte (general-purpose undercoat with white cement), Grippa (bridging coat), and Warmshell 660 reinforcement mesh.
• Warmshell Natural Insulation System A complete natural insulation system covering internal wall insulation, external wall insulation, and roof insulation using woodfibre and aerogel boards with compatible lime plasters and renders. For retrofit contractors, architects, and homeowners improving thermal performance of solid masonry buildings while maintaining breathability.
• Insulation Components Standalone insulation products used within and alongside the Warmshell system: Warmshell Woodfibre Insulation Boards, Warmshell Aerogel Insulation Boards (high-performance), Hemp Lime Binder, and Warmshell Board Adhesive. For contractors and self-builders undertaking natural insulation installation.
• Silic8 Primers and Adhesives Range of primers, adhesives and water repellents that do not rely on acrylics or resins, including Silic8 PS2 primer, MPL1 primer, AeroGel Adhesive, AD2 adhesive, Silguard stabilising water repellent, Penetrating Primer, Solo Primer, and Solo Filler. For contractors and applicators preparing substrates across the Lime Green range.
• Masonry Repair Products Specialist masonry repair products including Contour Brick and Stone Repair mortar (for recreating, imitating and patch repairing bricks and natural stone in a wide range of hues, carveable and sandable), Roman Stucco Cast (for decorative masonry repair), and Pure Lime Grout (for filling voids to consolidate historic walls without compromising breathability). For heritage restoration contractors and conservation specialists.
• Custom Colour Matching Service Bespoke mortar and render colour matching service for larger quantity orders, creating colours to match existing historic masonry across the 24-colour range and custom variations. For heritage contractors and architects requiring exact replication of original colours.

Quantifiable outcome

• Colour consistency measured to +/- 1g per tonne
• +2 more outcomes

Named customers13 records

Segments5 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Six partnerships are on record, tiered core and minor.

• RetrofitWorkscoreStrategic or Co-development PartnerNot-for-profit cooperative working to make UK homes healthier and more energy-efficient partnered with Lime Green in early 2021. Lime Green provides healthy insulation systems for RetrofitWorks members' projects, with both offsite and onsite training support for contractors and CPD training for contractor members.
• m-teccoreTechnology or IntegrationEquipment manufacturer that created bespoke mixing solutions for Lime Green's facility. Worked on phased redevelopment including new building housing control room, laboratory, storage silos, hoppers, mixers and packing line. Most recently upgraded mixers and packing line with new automated equipment.
• The Brick Tile CompanyminorChannel Partner/ Reseller/ DistributorUK's leading supplier of brick slips now recommending Lime Green coloured cement mortar to commercial and residential customers as the perfect partner to its products.
• Natural Fibre Insulation GroupminorOthersLime Green is a member of the Natural Fibre Insulation Group, an organisation that represents and champions sustainable building goals.
• Alliance for Sustainable Building Products (ASBP)minorOthersLime Green is a member of the Alliance for Sustainable Building Products, an organisation that represents and champions sustainable building goals.
• AVV SolutionsminorImplementation/ SI/ Consulting PartnerRestoration specialist that collaborated with Lime Green on the historic Gunnersbury Mansion house project, matching existing renders down to grain sizes within existing materials.

Scale indicators6 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Ty-Mawr Lime: Welsh manufacturer of lime mortars, plasters, renders and breathable insulation systems serving UK heritage and eco-building markets. Directly comparable product portfolio and customer base to Lime Green.
• Roundtower Lime: Specialist UK supplier of hydraulic lime products for restoration, conservation and new-build projects. Directly comparable heritage-focused lime mortar and render portfolio.
• Cornish Lime Company: UK producer of lime putty, hydraulic lime mortars and limewash primarily for heritage restoration and conservation projects. Overlaps directly with Lime Green's mortar/plaster offering for listed-building applications.
• St Astier Distribution: UK distributor of St Astier hydraulic lime products, a French natural hydraulic lime manufacturer widely specified on UK heritage projects. Direct substitute supplier for hydraulic lime mortars and renders.
• Limebase: UK-based manufacturer of pre-mixed lime mortars and lime-based building products. Direct competitor in the pre-bagged lime mortar category that Lime Green pioneered with its Natural Lime Mortar product.
• Mike Wye & Associates: UK-based specialist manufacturer and supplier of lime mortars, plasters, renders and natural insulation (hempcrete, woodfibre). Most direct head-to-head competitor to Lime Green in the heritage and sustainable-building lime category.

Broad incumbents

• Baumit: European building materials manufacturer offering renders, plasters and external wall insulation systems, including lime-based and breathable product lines. Competes with Lime Green on render specification in commercial and residential segments.
• Saint-Gobain Weber: Global building products manufacturer (subsidiary of Saint-Gobain) producing renders, plasters, insulation and façade systems. Broad incumbent entering lime-blended and low-carbon categories that compete with Lime Green at the mainstream end.
• Knauf: Global manufacturer of plaster, drywall, insulation and render systems. Large-scale incumbent that competes with Lime Green in plaster, render and insulation categories through volume distribution and lower price points.

Others

• Ecomerchant: UK distributor of sustainable and natural building materials with a 17+ year partnership distributing Lime Green products. Channel-adjacent enabler rather than competitor — comparable as a route-to-market signal but sells through rather than against Lime Green.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks7 records

Key highlights7 records

Customer concentration

• Xx.com/lime_products
• Facebookfacebook.com/LimeGreenProductsLtd
• LinkedInlinkedin.com/company/lime-green-products

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Lime Green