Stone Edge Conservation Ltd

Name

Stone Edge Conservation Ltd

Legal name

Stone Edge Conservation Ltd

Website

https://secl.co.uk

Company type

Private

Operating status

Operating

Headcount range

11–50 employees

Short description

Stone Edge Conservation Ltd is a London-based heritage building restoration and conservation contractor serving ecclesiastical, education, commercial, and public clients across London and the Southeast of England as both principal contractor and specialist sub-contractor, with in-house master craftspeople and nine specialist trades including a certified ICCP cathodic protection capability.

Ownership category

akta.pro rank

Product category

Heritage Building Conservation & Restoration Services

NAICS

Masonry Contractors (238140)

SIC

General Bldg Contractors - Nonresidential Bldgs (1540)

akta.pro primary industry

Stone Masonry Repair & Restoration (HSAGALAJ)

akta.pro secondary industries

Stone Repair (Chips, Cracks, Fills) (HSAGAGAH), Natural Stone Cleaning, Polishing & Restoration (Marble/Granite/Travertine/Limestone) (HSAEAOAA)

Keywords

• Heritage building restoration
• Stone conservation services
• Façade cleaning specialists
• Lime plastering mortars
• Cathodic protection ICCP

Headquarters

HQ city

London

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Supply Chain

Revenue model

1. Principal Contractor Services: Comprehensive management and execution of restoration and conservation projects from concept to completion, including project management, multiple trade coordination, and quality oversight
2. Specialist Sub-Contractor Services: Specialist conservation and restoration services provided on larger projects where another main contractor is engaged, including masonry repairs, stone carving, leadwork, and other specialist trades

Go-to-market motion1 record

Distribution channels2 records

Marketing channels5 records

Core offering

Stone Edge Conservation is a specialist building restoration and conservation contractor delivering comprehensive principal contractor and sub-contractor services for historic and listed buildings across London and the Southeast of England. The company offers an integrated portfolio of trade services—façade cleaning, stone carving and repair, lime plastering, heritage brickwork, faience and terracotta repair, carpentry and glazing, leadwork and roofing, architectural metalwork, and ICCP cathodic protection—delivered by an in-house team of master craftspeople using traditional techniques combined with modern cleaning and protection technology.

Product overview

Stone Edge Conservation operates as both a principal contractor and specialist service provider for building restoration and conservation projects. The company offers a unified portfolio of specialist trade services rather than a software product platform. Their core service offerings include: Façade Cleaning (using DOFF, JOS/TORC, and other systems), Stone Carving and Repair, Lime Plasters and Mortars, Heritage Brickwork, Faience & Terracotta, Carpentry and Glazing, Cathodic Protection (specialist ICCP systems), Leadwork and Roofing, and Architectural Metalwork. These services are delivered through an in-house team of skilled craftspeople and are applied across diverse sectors including ecclesiastical, commercial, education, heritage, public, and residential buildings.

Differentiator

Problem solved

Functional benefit

Products and services

• Façade Cleaning Specialist stone cleaning service utilizing multiple methods including DOFF, JOS/TORC systems, steam cleaning, poultice cleaning, and nebulous water sprays depending on stone type and soiling, targeted at historic and listed building facades.
• Stone Carving and Repair Specialist stone masonry services including stone matching, condition surveys, detailing, design, masonry repairs and replacement, and carving by skilled banker masons for historic buildings.
• Lime Plasters and Mortars Traditional lime-based plastering and mortar services for historic buildings, including pointing, rendering, and mortar repairs using breathable lime products.
• Heritage Brickwork Specialist brickwork and pointing repairs for heritage buildings, sourcing and matching bricks and ensuring correct lime and sand aggregates are used.
• Faience & Terracotta Repair and conservation of Victorian kiln products including terracotta and faience, with expertise in cleaning methods and preservation techniques.
• Carpentry and Glazing Building timber frame repairs, window restoration, and glazing unit services based on conservation philosophy of maximum retention with minimal intervention.
• Cathodic Protection Installation of bespoke impressed current cathodic protection (ICCP) systems to prevent corrosion of steel frames in historic buildings, working with system designers C-Probe.
• Leadwork and Roofing Architectural lead work services ranging from abutment flashings to decorative statuary elements, plus roof repair and replacement following conservation principles.
• Architectural Metalwork Conservation and repair of bronze and other metals including war memorials and commemorative structures, with inspection and re-waxing services.

Named customers11 records

Segments6 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Seven partnerships are on record, tiered core and minor.

• C-ProbecoreTechnology or IntegrationCollaboration on ICCP (Impressed Current Cathodic Protection) system design and installation. Stone Edge Conservation works in tandem with C-Probe as certified installers of bespoke cathodic protection systems for heritage buildings with corroding steel frames.
• Historic EnglandcoreStrategic or Co-development PartnerWorking in close collaboration with Historic England on heritage preservation projects including investigative works at Osborne House on the Isle of Wight, ensuring compliance with heritage protection standards.
• PurcellcoreImplementation/ SI/ Consulting PartnerWorking with conservation architects Purcell on heritage projects including the temple restoration at Kensington Gardens for The Royal Parks.
• Donald Insall AssociatescoreImplementation/ SI/ Consulting PartnerCollaborating with project architects Donald Insall Associates on investigative works at Osborne House, contributing to conservation strategy development.
• Balfour BeattyminorChannel Partner/ Reseller/ DistributorActed as specialist sub-contractor for Balfour Beatty on the Audley Retirement Village project at Runnymede, undertaking façade cleaning and masonry repairs.
• English HeritagecoreStrategic or Co-development PartnerWorking alongside English Heritage on heritage conservation projects including Shire Hall, Essex and Camber Castle, East Sussex.
• Crown EstatecoreStrategic or Co-development PartnerWorks required to comply with Crown Estate and Royal Parks guidelines, including projects at York Terrace West overlooking Regent's Park.

Scale indicators3 records

Recent moves1 record

Expansion highlights5 records

Direct peers

• Paye Stonework & Restoration: Specialist heritage stonemasonry contractor delivering stone carving, repair, cleaning and lime-based conservation on listed buildings, churches and historic estates — direct competitor on Grade I/II heritage tenders across southern England.
• Cliveden Conservation: UK heritage building conservation contractor delivering masonry, stone, brick, lime and decorative restoration on listed buildings — closely aligned service mix, customer profile (churches, cathedrals, heritage estates), and Grade I/II listed building specialism as Stone Edge Conservation.
• Restorative Techniques: Façade and heritage surface cleaning/restoration specialist using proprietary cleaning systems (including JOS/TORC-type and DOFF-equivalent technologies) — overlaps directly with Stone Edge Conservation's DOFF and JOS/TORC cleaning offering and shared heritage customer base.
• Stonewest: London-based stone restoration and conservation specialist offering façade cleaning, stone carving, repair and heritage masonry services to commercial, ecclesiastical and public clients — directly comparable core services and end-markets.
• Hatton Conservation: Heritage building conservation contractor delivering masonry, brick, stone and timber restoration on listed and historic buildings — comparable specialism, customer mix (churches, schools, heritage bodies) and project-based tender model.
• Szerelmey: Established London stone restoration contractor specialising in cleaning, repair and conservation of historic façades for heritage, ecclesiastical, institutional and high-end commercial clients — same niche, similar delivery model and London/Southeast footprint.
• Limegate Solutions: Specialist lime mortars, lime plasters and traditional building conservation supplier/contractor serving heritage projects across the UK and Ireland — closely aligned on lime-based pointing, rendering and breathable repair techniques central to Stone Edge's offering.

Broad incumbents

• Acivico Group: Larger UK construction services group with a heritage and conservation division — operates across a broader portfolio of construction services but competes for the same public-sector and heritage tenders, often as principal contractor.
• Balfour Beatty: Major UK infrastructure and construction group that engages specialist heritage sub-contractors (including Stone Edge Conservation) on large projects such as Audley Retirement Village — sets the framework for sub-contractor engagements and competes indirectly on packaged tenders.

Others

• John Brash & Co: UK timber and building materials supplier with heritage-grade products used in conservation joinery and roofing — adjacent ecosystem participant that supplies materials rather than competing for restoration contracts.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/seconservation
• LinkedInlinkedin.com/company/stone-edge-conservation-ltd-secl
• Instagraminstagram.com/stoneedgeconservationltd/?hl=en

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 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 Stone Edge Conservation Ltd