A scope of work is the single most protective document a contractor can write. Get it right and client disputes become nearly impossible. Get it wrong — or skip it entirely — and you'll find yourself doing work you didn't quote, arguing about what was "included," or eating the cost of additions that should have been extras. This guide covers exactly what to include, with free examples by trade.
Quote, invoice, and track jobs — try free for 14 days
Built for independent contractors. No credit card required.
A scope of work (SOW) is a written description of exactly what work you will — and won't — do on a job. It sits inside your quote or estimate and defines the boundaries of your contract.
Without a clear scope: - Clients assume things are included that you never quoted - You do extra work for free or face an awkward conversation about charging for it - Disputes about "what was agreed" are almost impossible to win without written records - Insurance claims and legal disputes have no clear document to reference
With a clear scope: - Both parties know exactly what the job covers - Extras are easy to identify and charge for - Clients trust you more because you seem organized and thorough - You protect your margin
A complete scope of work should answer these questions:
1. What exactly will be done? Specific tasks, not general descriptions. "Install bathroom vanity" is weak. "Remove existing vanity and install client-supplied 900mm vanity unit, including new P-trap, supply lines to existing stub-outs, and silicone seal at wall junction" is strong.
2. What materials will be used? If you're supplying materials, specify brand, model, or specification. If the client is supplying materials, state that clearly.
3. What is NOT included? Exclusions are as important as inclusions. "Electrical work not included," "Flooring not included," "Wall patching and painting not included" prevents assumptions.
4. What are the access requirements? Site access needed, equipment location, any preparation the client needs to do before you arrive.
5. What are the start and completion dates? Estimated start date and project duration. Use language like "approximately X working days, subject to access and material delivery."
6. What happens if there are unknowns? Add a clause like: "If hidden defects, existing damage, or conditions not visible at quote time are discovered, a variation quote will be provided before additional work proceeds."
Here's a template you can use for any trade:
--- SCOPE OF WORK
Project: [Brief description, e.g., "Bathroom Renovation — 24 Oak Street"] Client: [Client full name] Date: [Quote date] Quote valid until: [Expiry date, typically 14–30 days]
WORK INCLUDED: [Bullet list of specific tasks — be specific, not general]
MATERIALS: [List materials you're supplying. If client-supplied, state "Client to supply all materials"]
NOT INCLUDED: [Explicit list of what's NOT part of this quote — wall repairs, painting, electrical, council permits, etc.]
ACCESS AND SITE REQUIREMENTS: [What needs to be ready before you arrive. E.g., "Client to remove all personal items from bathroom before commencement."]
PROJECT TIMELINE: [Start date and estimated duration. E.g., "Work to commence [date], estimated completion in 5 working days, subject to material availability."]
VARIATIONS: [Any work outside this scope will be quoted separately before proceeding.] ---
Plumbing example: Included: Supply and install new Rheem 315L heat pump hot water system at existing location. Includes isolation valve, pressure relief valve, drain pipe to existing overflow point, and commissioning. Removal and responsible disposal of old electric storage system. Not included: Electrical connection (to be completed by licensed electrician), wall patching, or painting.
Electrical example: Included: Supply and install one 7.2kW Level 2 EV charger in garage location as marked on site plan. Includes new 40A dedicated circuit from existing main panel (approximately 18m run), installation of weatherproof outdoor enclosure, and commissioning. Includes all conduit, wiring, and breaker. Not included: Wall patching where conduit penetrates walls, smart charger app configuration, or additional circuits.
Painting example: Included: Full interior repaint of 4-bedroom house (living, dining, kitchen, 4 bedrooms, hallway, 2 bathrooms). Two coats Dulux Wash & Wear Low Sheen in client-selected colors. Includes filling of nail holes and minor surface preparation. Ceilings painted in white, all trim in current color. Not included: Feature walls or specialty finishes, exterior painting, garage or shed, furniture moving beyond standard repositioning, repair of damaged drywall or plaster requiring major filling.
General contractor example: Included: Complete bathroom renovation as per approved plan. Includes: demolition and disposal of existing fitout, waterproofing (CodeMark certified membrane), floor and wall tiling (client-selected tiles supplied by contractor), new vanity unit installation (client supplied), toilet installation (client supplied), shower screen installation (contractor supplied, Serenity frameless 900x900), and all associated plumbing rough-in and commissioning. Not included: Electrical work (separate quote provided), painting of ceiling, any work outside the bathroom boundary, council permits (client to obtain if required).
Scope creep is when clients request additional work beyond what was quoted — often framing it as "while you're here, could you just..." These requests seem small but add up. A single "quick extra" per job can easily cost you an hour of unpaid labor.
How to handle scope creep professionally:
1. Acknowledge the request genuinely: "That's a good point, I can definitely look at that."
2. Check your scope document: "That's actually not included in the current quote — I'd need to put together a quick variation quote for that."
3. Quote it: Even for small extras, write a simple variation quote. "The additional work would be $X — I can send through a quick variation." This trains clients to expect that extras have costs.
4. Never say "it's fine, I'll just do it": Doing unpaid extras creates precedent. The next job, the same client will expect the same.
Having a clear written scope is what makes this conversation possible without conflict. "According to our agreed scope..." is a professional, defensible position.
Your scope of work should be part of every quote or estimate you send — not a separate document. Clients should see it as a normal part of your professional process.
With TaskArc, you can write your scope directly in the quote notes field and save templates for your most common job types. That way, you're not starting from scratch every time — you start with a template and adjust it for the specific job.
The best contractors treat their scope of work as a selling tool, not just a protective document. A detailed, specific scope signals to clients that you know exactly what you're doing and have planned the job thoroughly. That's a powerful conversion tool when you're competing for work.
A scope of work takes 10 extra minutes to write well and can save you hours of unpaid work and uncomfortable disputes. Make it a non-negotiable part of every quote you send — specific, detailed, and with explicit exclusions. Clients will trust you more for it, and your margin will stay intact.
A scope of work is a written description of exactly what work is included in a contract — what will be done, what materials will be used, what is explicitly excluded, and what the timeline is. It protects both parties and prevents disputes about what was agreed.
Specific enough that someone who wasn't on site at the quote could understand exactly what work will be done. Avoid vague terms like 'plumbing work' or 'painting' — specify exactly what tasks, in which locations, and with what materials.
Write explicit exclusions for anything adjacent to your work that could be assumed to be included. For example: 'Electrical work not included,' 'Wall patching not included,' 'Council permits not included.' If you're not doing it, write it down.
Have a clear written scope in every quote. When clients request extras, acknowledge the request professionally and provide a variation quote before proceeding. Never do unprompted extras without written agreement — it creates precedent and expectation.
Quote, invoice, track jobs and expenses — all in one place. Try free for 14 days.