Site Surveys & Risk Assessments
Detailed identification surveys, risk assessments and management plans prepared by PCA-qualified ecologists. Fully compliant with RICS and mortgage-lender requirements.
From £295 +VAT
Learn MoreOur Services
End-to-end invasive species management from initial survey to site restoration
Fortis Ecology delivers comprehensive invasive species solutions tailored to residential, commercial and infrastructure projects. Every engagement is backed by PCA-accredited surveyors, RICS-compliant documentation and insurance-backed guarantees—so you can move forward with complete confidence.
Japanese Knotweed Treatment
Herbicide treatment programmes, excavation and on-site burial or removal. Insurance-backed guarantees of up to 10 years for complete peace of mind.
From £1,500 +VAT
Learn MoreGiant Hogweed Removal
Safe eradication of this dangerous phototoxic plant by trained operatives wearing full PPE. Emergency call-outs available for public-facing sites.
From £800 +VAT
Learn MoreHimalayan Balsam Control
Targeted herbicide application and hand-pulling programmes designed to prevent seed dispersal and protect riparian habitats and biodiversity.
From £600 +VAT
Learn MoreRhododendron Clearance
Mechanical and chemical clearance of invasive rhododendron, restoring native woodland and heathland habitats to their natural condition.
From £950 +VAT
Learn MoreSite Restoration & Replanting
Native species replanting, soil remediation and ongoing monitoring to return treated land to a healthy, biodiverse state after invasive species removal.
From £1,200 +VAT
Learn MoreOur Four-Step Process
Survey
A PCA-qualified ecologist visits your site to identify species, map infestations and assess risk levels.
Plan
We prepare a detailed management plan with treatment options, timelines and transparent fixed-price quotations.
Treat
Our specialist teams carry out the agreed treatment using industry-approved methods and full environmental safeguards.
Certify
On completion you receive RICS-compliant certification and, where applicable, an insurance-backed guarantee.
Estate & portfolio clients
Managing 10 or more sites? We work with property developers, housing associations, estate managers, local authorities and infrastructure clients on framework agreements and multi-site programmes.
- Single point of contact and named account lead
- Volume pricing and pre-agreed unit rates
- Standardised RICS-compliant reporting across the portfolio
- Annual monitoring and re-treatment scheduling
- 10-year insurance-backed guarantees on every treatment plan
Discuss a framework
Tick “framework agreement” on the contact form and we’ll route your enquiry to portfolio sales.