{"title":"Sash Locks","description":"\u003cp\u003eA sash lock combines a sprung latch and a deadbolt in one mortice case, so a single lock both holds the door closed in daily use and locks it with a key when you want it secure. It is the standard lock for a door that needs both functions, which is why it appears on most back doors and lockable internal rooms.\u003c\/p\u003e\n\u003ch2\u003eMeasuring a sash lock\u003c\/h2\u003e\n\u003cp\u003eThree dimensions have to match: the case size, the backset from the door edge to the spindle centre, and the centres between spindle and keyway. Get the centres wrong and the handle will not line up with the keyhole, whatever the finish.\u003c\/p\u003e\n\u003cp\u003eWhere you only need a key and no handle, use a \u003ca href=\"\/collections\/dead-locks\"\u003edead lock\u003c\/a\u003e; where you only need a latch, see \u003ca href=\"\/collections\/locks-latches\"\u003elocks and latches\u003c\/a\u003e. Bathrooms take a privacy version from \u003ca href=\"\/collections\/bathroom-locks\"\u003ebathroom locks\u003c\/a\u003e. Add matching \u003ca href=\"\/collections\/escutcheons\"\u003eescutcheons\u003c\/a\u003e and a handle from \u003ca href=\"\/collections\/door-handles\"\u003edoor handles\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eSash lock or dead lock\u003c\/h2\u003e\n\u003cp\u003eA sash lock combines two functions in one mortice case: a sprung latch operated by the handle for everyday use, and a deadbolt thrown by the key for security. A \u003ca href=\"\/collections\/dead-locks\"\u003edead lock\u003c\/a\u003e has the bolt only and no latch, so it is used alongside a separate latch or on a door that is never held closed by a handle. If a door needs both a working lever and a key, the sash lock is the correct choice.\u003c\/p\u003e\n\u003ch2\u003eBackset, centres and case size\u003c\/h2\u003e\n\u003cp\u003eThree measurements decide whether a sash lock will fit. The case size is the depth of the lock body into the door edge, the backset is the distance from the door edge to the centre of the spindle, and the centres are the distance between spindle and keyway. Replacing an existing lock means matching all three or re-cutting the mortice and the handle holes. On a narrow stile, a shorter case is often the only option, and on a glazed leaf check there is enough solid timber before you cut.\u003c\/p\u003e\n\u003ch2\u003eFire doors and finishes\u003c\/h2\u003e\n\u003cp\u003eOn a certified door the lock must be compatible with the door's test evidence, and an \u003ca href=\"\/collections\/intumescent-strips-and-pads\"\u003eintumescent pad\u003c\/a\u003e goes behind the case as standard, alongside \u003ca href=\"\/collections\/fire-rated-hinges\"\u003efire rated hinges\u003c\/a\u003e and the guidance in our \u003ca href=\"\/pages\/fire-door-guide\"\u003efire door guide\u003c\/a\u003e. Sash locks here come from Deanta, Atlantic UK Hardware and D2F Accessories with satin and polished forends to match the lever. Pair with \u003ca href=\"\/collections\/escutcheons\"\u003eescutcheons\u003c\/a\u003e, browse \u003ca href=\"\/collections\/locks-latches\"\u003elocks and latches\u003c\/a\u003e for the full range, and see \u003ca href=\"\/collections\/door-handles\"\u003edoor handles\u003c\/a\u003e for the levers that suit.\u003c\/p\u003e","products":[{"product_id":"d2f-turn-2-5-sash-lock-d2fmtt","title":"D2F ACCESSORIES Matt Black Thumb Turn + 2.5\" Sash Lock D2FMTT","description":"\u003cp\u003eBathroom turn and release with no indicatorScrew on concealed fix roseFinish: Matt BlackDimensions: 54mm x 10mmSupplied Complete With Fixings And Spindle BarThis product is designed to operate the bolt within a standard bathroom lock or tubular deadbolCarlisle Brass\/Eurospec Matt Black Bathroom mortice lock, for any kind of Bathroom Door Handle and Bathroom Turn\/Release in our store. This product will compliment any Matt Black Door Handles or Mortice Knobs. This lock has a centre to centre size of 57mm which is a common British Standard size. Our Bathroom mortice locks can be used with all door handles on rose in conjunction with a matching bathroom thumb turn. Supplied with matching Lock face plate, door frame strike plate and screws.Sizes Available:64mm (44mm back-set from edge of door to centre of spindle hole) 57mm Centre.76mm (58mm back-set from edge of door to centre of spindle hole) 57mm Centre. This Bathroom lock contains bolt through holes either side of the spindle hole, which enable use of the through bolts supplied with our lever on rose handles.\u003c\/p\u003e","brand":"D2F ACCESSORIES","offers":[{"title":"Default Title","offer_id":54081764852050,"sku":"D2FMTT","price":60.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1086\/8054\/4594\/files\/d2f-accessories-matt-black-thumb-turn-2-5-sash-lock-d2fmtt-p2274-3866_image.png?v=1784847327"},{"product_id":"deanta-sash-lock-satin-nickel-dhmrsnra","title":"Deanta 3 Lever Mortice Radius Sash Lock Satin Nickel DHMRSNRA","description":"\u003cp\u003eFeatures:3 Lever MorticeSatin Nickel FinishedCertifire-rated10-year warrantyTech Specs:Shape: Radius\u003c\/p\u003e","brand":"Deanta","offers":[{"title":"2.5\"","offer_id":54082892136786,"sku":"DHMR25SNRA","price":10.4,"currency_code":"GBP","in_stock":true},{"title":"3.0\"","offer_id":54082892169554,"sku":"DHMR30SNRA","price":10.4,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1086\/8054\/4594\/files\/deanta-3-lever-mortice-radius-sash-lock-satin-nickel-dhmrsnra-p2342-4046_image.jpg?v=1784870117"},{"product_id":"deanta-sash-lock-satin-nickel-dhmrsnsq","title":"Deanta 3 Lever Mortice Square Sash Lock Satin Nickel DHMRSNSQ","description":"\u003cp\u003eFeatures:3 Lever MorticeSatin Nickel FinishedCertifire-rated10-year warrantyTech Specs:Shape: Square\u003c\/p\u003e","brand":"Deanta","offers":[{"title":"2.5\"","offer_id":54082892267858,"sku":"DHMR25SNSQ","price":9.5,"currency_code":"GBP","in_stock":true},{"title":"3.0\"","offer_id":54082892366162,"sku":"DHMR30SNSQ","price":9.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1086\/8054\/4594\/files\/deanta-3-lever-mortice-square-sash-lock-satin-nickel-dhmrsnsq-p2343-4048_image.png?v=1784870122"},{"product_id":"atlantic-slim-knuckle-hinges-x2-adpsp190sn19","title":"Atlantic UK Hardware Satin Nickel Door Pack 3\" Sash Lock Set Senza Pari Guido on Square Rose 4\" Slim Knuckle Hinges x2 ADPSP190SN19","description":"\u003cp\u003eAtlantic Senza Pari Guido Lever Door Handle On Flush Square Rose.\u003c\/p\u003e","brand":"Atlantic UK Hardware","offers":[{"title":"Default Title","offer_id":54084926144850,"sku":"ADPSP190SN19","price":46.49,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1086\/8054\/4594\/files\/atlantic-uk-hardware-satin-nickel-door-pack-3-sash-lock-set-senza-pari-guido-on-square-rose-4-slim-knuckle-hinges-x2-adpsp190sn19-p5594-10445_image.jpg?v=1784887696"},{"product_id":"atlantic-grade-13-hinges-x3-adpsp190sn17","title":"Atlantic UK Hardware Satin Nickel Door Pack 3\" Sash Lock Set Senza Pari Guido on Square Rose 4\" Grade 13 Hinges x3 ADPSP190SN17","description":"\u003cp\u003eAtlantic Senza Pari Guido Lever Door Handle On Flush Square Rose.\u003c\/p\u003e","brand":"Atlantic UK Hardware","offers":[{"title":"Default Title","offer_id":54084926243154,"sku":"ADPSP190SN17","price":49.7,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1086\/8054\/4594\/files\/atlantic-uk-hardware-satin-nickel-door-pack-3-sash-lock-set-senza-pari-guido-on-square-rose-4-grade-13-hinges-x3-adpsp190sn17-p5595-10446_image.jpg?v=1784887700"},{"product_id":"atlantic-grade-7-hinges-x3-adpsp190sn15","title":"Atlantic UK Hardware Satin Nickel 3\" Sash Lock Set Senza Pari Guido on Square Rose 3\" Grade 7 Hinges x3 ADPSP190SN15","description":"\u003cp\u003eAtlantic Senza Pari Guido Lever Door Handle On Flush Square Rose.\u003c\/p\u003e","brand":"Atlantic UK Hardware","offers":[{"title":"Default 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Title","offer_id":54084926472530,"sku":"ADPSP190SN18","price":46.49,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1086\/8054\/4594\/files\/atlantic-uk-hardware-satin-nickel-2-5-sash-lock-set-senza-pari-guido-on-square-rose-4-slim-knuckle-hinges-x2-adpsp190sn18-p5597-10448_image.jpg?v=1784887708"},{"product_id":"atlantic-grade-13-hinges-x3-adpsp190sn16","title":"Atlantic UK Hardware Satin Nickel 2.5\" Sash Lock Set Senza Pari Guido on Square Rose 4\" Grade 13 Hinges x3 ADPSP190SN16","description":"\u003cp\u003eAtlantic Senza Pari Guido Lever Door Handle On Flush Square Rose.\u003c\/p\u003e","brand":"Atlantic UK Hardware","offers":[{"title":"Default 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