Start with a clear scope of work
The easiest way to compare floor sander quotes fairly is to ask every contractor to price the same job. Floor sanding can mean anything from a quick sand and recoat of a tidy villa lounge to a full restoration of tired timber floors with repairs, staining and multiple coats of finish. If you do not spell out what you want, each quote may include different assumptions and the numbers will not be comparable.
Before you ask for quotes, decide on the basics:
- Which rooms or areas need sanding - Whether you want just sanding and coating, or also repairs and gap filling - What finish you want: water-based polyurethane, oil-based polyurethane, hardwax oil, stain, or something else - Whether skirting boards, stairs, thresholds and door trims are included - Whether furniture will be moved out by you or by the contractor - Whether you need old carpet, staples or adhesives removed first - Your ideal timing, especially if you are trying to work around holidays, tenancy dates or school terms
If possible, take photos in good light and note the floor type. Native timber, engineered timber and parquet can all behave differently. A good floor sander should ask questions before quoting, but a homeowner who gives a clear brief will usually get more accurate pricing.
How to request quotes properly
In New Zealand, most reliable tradespeople will be happy to quote from photos, measurements and a short site visit. For smaller jobs, an initial estimate by email or phone may be enough to establish a ballpark price, but ask for a written quote before you commit.
A useful quote request should include:
- Your name, suburb and contact details - The address, or at least the town and suburb - The floor area in square metres if you know it - A description of the current floor condition - The finish you want and whether you are open to alternatives - Any deadline or preferred start date - Access details such as stairs, parking, narrow hallways or limited site access - Whether the property is empty or occupied
If you are comparing several quotes, give each contractor the same information. That helps you avoid apples-with-oranges pricing.
It is also smart to ask each floor sander whether they prefer an onsite measure before quoting. For more complex jobs, an onsite inspection is often worth it because it lets them see:
- Sanding difficulty, including cupping, scratches or previous coatings - Moisture issues or signs of water damage - Edge access around cupboards, fireplaces or tight corners - Whether repairs are likely once the surface is sanded back
What a good floor sanding quote should include
A professional quote should be more than a single dollar amount. It should set out exactly what is included, what is excluded, and how variations will be charged if the job changes once work begins.
Here is a helpful checklist.
| What to check | What a good quote should say | |---|---| | Scope | Which rooms/areas are included and the approximate square metres | | Preparation | Whether furniture removal, nail punching, staple removal or minor repairs are included | | Sanding level | How many sanding stages are included, and whether edges and corners are covered | | Filling and repairs | Whether gaps, cracks and loose boards will be filled or repaired | | Coating system | Product type, number of coats, brand if known, and drying times | | Stain/colour | Whether staining is included and whether sample testing will be done | | Timeframe | Estimated start date, duration and cure time before furniture return | | Cleanup | Dust containment and final clean-up standards | | Price basis | Fixed price, hourly rate, or a rate plus materials | | Exclusions | What is not included, such as major timber repairs or council consent work | | Payment terms | Deposit, progress payments and final payment timing | | Warranty | Any workmanship guarantee and how long it lasts |
A good quote should also note whether GST is included. In New Zealand, some quotes are written as “plus GST” and others as a GST-inclusive figure. That can make a real difference when you are comparing prices.
Fixed price vs charge-up pricing
Floor sanding jobs in NZ are commonly quoted in one of two ways: fixed price or charge-up.
**Fixed price** means the contractor agrees to complete the work for a set amount, provided the scope does not change. This is often the easiest option for homeowners because you know your likely final cost upfront.
**Charge-up** means you pay for actual time and materials, often at an hourly labour rate plus consumables. This can suit jobs where the extent of repairs is uncertain, such as very old floors that may reveal hidden damage once sanding starts.
Which is better?
There is no universal answer. A fixed price is usually better if:
- The floor area is straightforward - The condition is reasonably clear - You want cost certainty - The scope is well defined
Charge-up may be more appropriate if:
- The floor has unknown damage - There are likely to be structural or board replacement issues - The contractor cannot see the full condition until work begins - You are dealing with an older house where past DIY work may have caused surprises
If you are offered charge-up pricing, ask for:
- The hourly labour rate - Whether there is a minimum call-out or minimum day rate - An estimate of total hours or likely total spend - Written approval before extra costs are incurred
If you are offered a fixed price, ask what would trigger a variation. For example, if the contractor uncovers rotten boards or extensive adhesive residue under old vinyl, will they stop and quote again, or continue under a pre-agreed hourly rate?
How to compare floor sanding quotes fairly
The cheapest quote is not always the best value. A careful comparison should focus on what you are actually buying.
When comparing quotes, look at:
- Scope: Are the same rooms and surfaces included? - Preparation: Does one quote include repairs or floor filling while another does not? - Product quality: Are the same coatings and number of coats being used? - Labour time: Is one quote based on a rushed turnaround that may affect finish quality? - Dust control: Does the contractor use proper dust extraction equipment? - Cure time: Will they allow enough time between coats and before furniture is returned? - Experience: Have they worked on your type of floor before? - Aftercare: Do they provide maintenance advice or a warranty?
If one quote is much cheaper, do not assume the contractor has a better system. They may have excluded key work, used a lower-grade coating, underestimated the labour involved, or simply not allowed enough time for proper sanding and curing.
A useful way to compare is to create a shortlist with the following columns:
- Total price - GST included or excluded - Square metres priced - Sanding and coating system - Repairs included - Estimated duration - Deposit required - Warranty or workmanship guarantee
That makes it easier to compare the real differences rather than just the headline price.
Signs a floor sander quote is too cheap
A low quote is only a bargain if the job is done properly. Watch for red flags such as:
- No written breakdown at all - Vague wording like “sand and finish floors” with no detail - No mention of GST - No allowance for edge sanding, skirting protection or dust control - Very short drying times between coats - Unusually low labour cost compared with other local quotes - A big upfront deposit before any materials are ordered - Pressure to decide immediately - No trade references, photos of previous work or proof of insurance
If a quote looks too cheap, ask questions before accepting it:
- What product system is included? - How many sanding passes will be done? - Is floor filling included? - Are repairs extra? - Is the price fixed even if the floor needs more work? - What happens if hidden damage is found?
A contractor who answers clearly is usually more trustworthy than one who gives evasive replies.
Credentials, insurance and compliance to check
Floor sanding itself is not a licensed trade like electrical or plumbing work, but you should still check that the person you hire is legitimate and suitably insured.
Ask whether they have:
- Public liability insurance - Experience with your type of timber floor - A New Zealand business number and proper invoice details - Health and safety processes for dust, noise and site protection - References or a portfolio of recent NZ work
If the job includes more than sanding, other rules may come into play. For example:
- Any electrical work, such as moving power points or adding sockets, must be done by a licensed electrician - Plumbing or gasfitting work is restricted and must be done by authorised tradespeople - Structural alterations, major repairs or changes that affect the building envelope may need council consent
If your floor sanding project is part of a bigger renovation, check whether the wider work needs consent before the trades start. A floor sander can usually price and perform sanding without a building consent, but associated building changes may be subject to local council rules.
Questions to ask before you accept a quote
Before you sign off, ask these practical questions:
- Is this a fixed price or charge-up job? - Is GST included? - What exactly is included in preparation and repairs? - Which coating product will be used, and how many coats? - How much time will the floor need before light foot traffic, furniture replacement and rugs? - Will you move furniture, or do I need to clear the rooms? - How do you manage dust and ventilation? - What happens if the floor has hidden damage? - Do you have insurance and recent references? - Can you provide the quote in writing with the scope clearly listed?
You should also confirm practical site issues such as parking, power access and whether pets or children will need to stay out of the house during work and curing.
Timing and seasonal factors in NZ
The best time to sand floors in New Zealand is often when the house can be kept closed up and dry enough for coatings to cure properly. Moisture, temperature and ventilation all affect finish quality, so the season matters.
In many parts of NZ:
- Winter can slow drying times and increase humidity - Summer can be busy, especially during renovation season and around school holidays - Spring and autumn often provide moderate conditions, but weather can still be changeable
If your home is in a coastal area or a region with high humidity, ask the contractor how they manage drying and whether the chosen product suits the conditions. A good floor sander will factor this into the programme rather than rushing the job.
Make the final decision on value, not just price
Once you have three or more written quotes, choose the one that offers the best combination of clarity, experience and realistic pricing. The right contractor should be able to explain their method, set out the scope clearly and tell you what would cause extra cost.
In practice, the best quote is often not the cheapest. It is the one that gives you:
- A clear scope - A sensible timeframe - Proper preparation and dust control - Quality coatings and enough drying time - Transparent pricing and payment terms - Confidence that the final result will suit your home
If something is unclear, ask for the quote to be revised before you agree. A professional floor sander should not mind making the scope explicit. That is one of the best ways to avoid disputes and surprise costs later.