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Sustainability Contract Rates in Cambridge: Day Rate Quartiles and Demand
Live market telemetry, compensation quartiles, and IR35 compliance benchmarks across the UK contract sector.
Median Daily Rate
£604/day
Interquartile Range
£420/day – £788/day
Contract Engagement Split
0% Outside IR35
Market Conditions and Compensation Trajectory
Off-payroll determination outcomes for Sustainability assignments in Cambridge maintain clear operational transparency, giving independent practitioners confidence in their contracting arrangements. Compliance tracking across active local postings confirms that 0% of active roles are determined outside the scope of IR35. Supported by sound contractual governance, local rate intelligence confirms a median of £604/day, tracking +5.0% against prevailing national contracting benchmarks. Quartiles span £420/day to £788/day against a South East rate uplift. Figures summarise advertised pay on this hub to November 2026 and are market statistics, not a personal offer or guaranteed assignment rate.
Daily Rate Quartiles and Market Benchmarks
Values combine advertised day rates, stated IR35 outcomes, and sector labels from vacancies matching this hub. Quartiles use priced roles only.
| Metric | Value | What it shows |
|---|---|---|
| Median day rate | £604/day | Mid-market advertised pay for this hub |
| 25th percentile (P25) | £420/day | Lower-quartile priced vacancies |
| 75th percentile (P75) | £788/day | Upper-quartile priced vacancies |
| Outside IR35 share | 0% | Stated limited-company / outside SDS |
| Inside IR35 share | 0% | Stated PAYE / umbrella / inside SDS |
| Undetermined IR35 | 100% | Adverts that omit a published status |
| Leading sector | Sustainability & ESG (67%) | Largest hiring cluster in the sample |
| Priced sample | 3 roles | Vacancies used for the rate corridor |
| Regional rate band | a South East rate uplift | Location pricing context, not an SDS |
Statutory Standards and Frequently Asked Questions
Cambridge does not create a special IR35 code for Sustainability work. The client SDS should name the Cambridge workplace and delivery model. An inside finding on a Cambridge Sustainability brief typically deducts tax at source, while outside IR35 Sustainability work in Cambridge is billed by a PSC. Local pay sits on a South East rate uplift, so a higher Cambridge headline rate can still be inside. Commuting into Cambridge does not, by itself, prove substitution or lack of control. Read the Sustainability Cambridge contract for workplace, hours, and equipment clauses.
