Estimating door lock replacement cost


How much does it cost to replace a door lock?

Cost of door lock replacement determined by number of factors and total expenses primary depend on door lock prices and labor cost to complete the work. While calculating total expenditures for installing a new door lock number of additional factors should be taken into account. Handyman will calculate the cost based on work complexity. Normally it is a same day service and there is no need in prior in-home consultation. Most contractors have fixed rates for door locks replacement which can be adjusted based on a lock type, number of locks have to be replaced at a time and door types.

Calculating door lock replacement cost

Door lock prices comparison materials-prices

Prices for door locks vary greatly. Privacy door knobs for 1 3/8" – 1 3/4" thick interior doors are among the cheapest options. Better security rated mortise locks will be more expensive. Superior quality an electric exterior door lever will have significantly higher price. Because of huge variety of products available on the market price difference between the cheapest standard interior door lock and the most expensive brand name one for entry door can easily exceed 700%.

Determining labor cost for door lock installation labor-cost

Door lock type is a primary factor which affects the cost of labor while estimating replacement expenses. Simple removing an old and installation of a new lock without resizing existing holes will be estimated at a minimum charge. Installing a single cylinder lock in the door with existing precut holes will be cheaper comparing to making new holes for a mortise lock.

Typically an installer will offer much better deal on labor per lock to replace it in the whole house comparing to coming for installation of a single lock, which normally will be estimated based on minimum charge.

Shopping for door locks shopping

Enormous selection of locks from simple privacy door levers and knobs in bronze, nickel or chrome finish to keyed deadbolts and electronic door handsets sold at local home improvement retailers. Always plan a renovation project well ahead and watch for clearance and seasonal sales. There is always a good chance to buy a door lock cheaper online and get it shipped for free. You can save 10% - 15% per lock purchasing them in bulk.

Estimating installation time estimating-time

Typically a professional installer should be able to replace door locks in 12 – 14 interior doors during one day. Making new holes in the door slabs as well as mortising strike plates into door frames will consume more time and the whole project will take longer to complete. On average 1.5 – 2 hours will be sufficient for replacing a keyed entry door lock and separated deadbolt.

Work complexity work-complexity

Door lock replacement is relatively easy task and many homeowners with minimum construction skills are able to manage simple installation of a double cylinder deadbolt or reversible privacy door lever. Installation of mortise locks is more complex project, but still very doable following manufacturer installation instructions. But for installing locks into a custom made expensive entry door it might be better to hire an experienced installer who will guaranty the work quality.