36 live Estimator contracts, matched on the job title, updated daily. Filter by sector, IR35 status, working arrangement and day rate below.
Permanent roles too: see every UK civil engineering job on Civil Engineering Jobs.
| Job | Rate | IR35 | Location | Working pattern | Posted |
|---|---|---|---|---|---|
| Freelance Estimator | £500 – £650/day | Outside IR35 | Birmingham, West Midlands | ||
| Estimator | £350 – £450/day | Inside IR35 | London | ||
| Estimator | Sheffield | ||||
| Senior Electrical Estimator | Burton | ||||
| Air Conditioning / HVAC Remedial Works Estimator | £45,000/year | Swindon, Wiltshire | |||
| Mechanical Estimator | £350 – £375/day | SM2, Sutton, Greater London | |||
| Freelance Estimator | £550 – £600/day | Surrey | |||
| Senior Estimator | £500 – £550/day | Outside IR35 | England | Hybrid | |
| Senior Estimator - Civils (Non-Infrastructure) | £500 – £600/day | Inside IR35 | Brighton, East Sussex | ||
| Estimator | £500 – £600/day | Hounslow, London | |||
| Estimator Engineer | Inside IR35 | Luton | |||
| Estimator | £500/day | Sittingbourne | Hybrid | ||
| Electrical Design Estimating Engineer | £400 – £500/day | London | Hybrid | ||
| Senior Estimator (Railway Civils) | Outside IR35 | London | Hybrid | ||
| Senior Estimator | Outside IR35 | London | Hybrid | ||
| Senior Estimator (Structural Alterations) | Outside IR35 | London | Hybrid | ||
| Estimator (part-time) | Outside IR35 | London | |||
| Estimator | £350 – £400/day | Inside IR35 | London | Remote | |
| Estimator | £500 – £600/day | Hounslow, London | |||
| Estimating Assistant | £200 – £220/day | Normanton, West Yorkshire | |||
| Lead Estimator | £450 – £500/day | Warwick, Warwickshire | Hybrid | ||
| Estimator - Fit Out | £38,000 – £42,000/year | LS28, Pudsey, City and Borough of Leeds | |||
| Civil Estimator | £475 – £525/day | Outside IR35 | Manchester, Greater Manchester | Hybrid | |
| Electrical Estimator | £35 – £45/hour | Outside IR35 | Uxbridge, London | ||
| Trainee Estimator | WA3, Little Town, Warrington |
Birmingham, West Midlands
Freelance Estimator - Substations Location: Remote Rate: £600 - £650 per day (Outside IR35) Sector: Power / Substations / Civils We are seeking a highly skilled Freelance Estimator to support upcoming substation…
London
Estimator | 2 Year Contract Location: West London Rate: (Apply online only) p/day Inside IR35 Duration: 2 years A leading Tier 1 contractor is looking for a Civils Estimator to join its team on a major UK airport…
Sheffield
Freelance Estimator – Construction Location: Sheffield Contract Type: Freelance Sector: Construction, Refurbishment, Education, Industrial & Public Sector Start: November 2026 About the Role Linear Recruitment are…
Burton
Take the lead on high-value electrical bids and help shape winning tender strategies in a growing engineering business. Our Client has a requirement for a Senior Electrical Estimator, who will be required to work on a…
Swindon, Wiltshire
Air Conditioning / HVAC Remedial Works Estimator Are you an Estimator with a strong background in Air Conditioning, HVAC or FM Hard Services? Do you have experience producing multiple quotations for remedial and repair…
SM2, Sutton, Greater London
Mechanical Estimator – Design & Build Location: Sutton, Surrey Sector: Commercial Fit-Out Project Values: £2m–£15m The Opportunity I’m currently working with an established Design & Build M&E contractor based in Sutton,…
Surrey
Estimator: About the role of Freelance Estimator: Long term freelance opportunity for a Freelance Estimator in Surrey. I am currently assisting a market leading brand in their search for a Freelance Estimator to join…
England
Senior Estimator - Earthworks Day rate: Up to £550 D.O.E. (Outside IR35) Location: Remote - 1 day per week site/office Our client, an established earthworks contractor, is looking to appoint an experienced Senior…
Brighton, East Sussex
Your new company You will be joining a leading contractor operating within the UK water sector, delivering long-term programmes of work across the South of England. Due to ongoing workload, they are looking to…
Hounslow, London
My Client is internationally recognized for its capacity to design and build civil engineering and construction projects, mainly in large transportation infrastructure. Its track-record to date includes more than 304…
Luton
MPI have a requirement for a Checks Estimator to work on site at Luton Airport. Rate: Umbrella £39.33 / PAYE £30.03 Hours Monday – Friday hrs to be confirmed Half hour unpaid lunch. Start: ASAP Duration: TBC These…
Sittingbourne
Contract Estimator - Marine & Civils Location: Sittingbourne, Kent (Hybrid - 3 days onsite, 2 days from home) Contract Length: 4-6 weeks Start Date: Immediate Rate: £500 per day CIS The Opportunity We are currently…
Contract Electrical Design & Estimating Engineer Construction & Commercial Fit-Out | Hybrid Working | Contract The Opportunity We are seeking an experienced Electrical Design & Estimating Engineer to support a…
Our client is a leading civil engineering, infrastructure and structures contractor. They currently have an immediate requirement for a Freelance Senior Estimator with experience of pricing heavy civils, concrete and…
London
Our client is a leading RC Frames, Structures and Civil engineering contractor. They currently have an immediate requirement for a Freelance Senior Estimator with experience of pricing RC, FRC, Concrete, and Rebar…
Our client is a leading Structural Alterations specialist contractor. They currently have an immediate requirement for a Freelance Intermediate or Senior Estimator with experience of pricing Structural Alterations, Cut…
London
We currently have an immediate opportunity for a freelance ESTIMATOR working on a PART-TIME basis, 2-3 days a week. This opportunity would suit an established Estimator looking for an additional consultancy assignment…
London
Estimator – Water Infrastructure 3 Month Contract | Inside IR35 | £350–£400 per day | Paid via an Umbrella Company I’m working with a main contractor and supporting them with their search for an Estimator to support a…
Hounslow, London
My Client is internationally recognized for its capacity to design and build civil engineering and construction projects, mainly in large transportation infrastructure. Its track-record to date includes more than 304…
Normanton, West Yorkshire
Mechanical Estimator/Estimating Assistant Normanton, Wakefield £200-£220 per day Temporary, ongoing contract We are currently looking for someone with a strong mechanical background to support the estimating function of…
Estimator contracts on this page come straight from the live ContractorUK jobs board — pricing and tendering roles across construction trades. Advertised day rates vary widely with sector, location, clearance and specialism, so treat any single figure with care — every card above shows the advertised rate and the recruiter-stated IR35 status side by side. Before you negotiate, run the actual rate through our contractor calculators to see the take-home difference inside versus outside, and if the rules are new to you start with what IR35 is and how it works.
Questions about rates, IR35 or alerts? The contract jobs hub answers the common ones. Chasing the well-paid kind? Browse live outside IR35 contracts.
