Three things set a Chamonix rate. The first is the week. The Christmas to New Year fortnight and the February half-term carry the steepest markups because the demand is school-holiday fixed and the inventory is finite. The second is the position. Chamonix is not a single ski-in, ski-out village but a string of hamlets under separate lift areas, so a chalet near the Brevent lift or in Les Praz under the Flegere commands a premium over one that needs a daily drive or the town bus.
The third is the catering. At the top end the Chamonix model is the catered chalet, where a chef, a host, and daily housekeeping come inside the rate rather than as an add-on. This changes the comparison: a self-catered chalet at €20,000 and a catered one at €30,000 can be the same house with the staff difference priced in.
VAT and the taxe de séjour
France applies a reduced 10 percent VAT to serviced and classified tourist accommodation, the same band that covers hotels and catered chalets. On a serviced €30,000 winter week the 10 percent line is €3,000. A purely self-catered, unclassified let from a private owner may fall outside VAT depending on the structure, so confirm whether the quoted rate is gross or net of VAT.
On top of the rate, the Vallée de Chamonix-Mont-Blanc charges a taxe de séjour, collected per person per night. For an unclassified furnished chalet the 2026 rate is 5 percent of the pre-tax nightly price per person, capped at €4.90 per person per night (Communauté de communes de la Vallée de Chamonix-Mont-Blanc, taxe de séjour platform, 2026). At the chalet rates here the cap is effectively always reached, so budget €4.90 per person per night.
Cleaning and service
On a self-catered chalet, expect an end-of-stay cleaning fee of €400 to €1,200 by size, plus a linen and welcome charge. On a catered chalet most of this is already in the rate, which is the main reason the catered band looks higher at first read.
Staff you add
If the chalet is self-catered, a private chef in Chamonix runs €350 to €550 per day plus food, and a daily driver about €300 to €450, useful given the spread-out lift system. Ski passes, instructors, and guides are separate and add up fast for a group.
Security deposit
Plan on a refundable deposit of €3,000 to €20,000 depending on the value of the chalet, held by card or transfer and returned within two weeks of checkout.