{"id":3014,"date":"2026-06-10T21:51:43","date_gmt":"2026-06-10T20:51:43","guid":{"rendered":"https:\/\/goldenratiowindows.co.uk\/blog\/?p=3014"},"modified":"2026-06-11T00:39:37","modified_gmt":"2026-06-10T23:39:37","slug":"case-study-queens-park-edwardian-sash-window-restoration","status":"publish","type":"post","link":"https:\/\/goldenratiowindows.co.uk\/blog\/case-study-queens-park-edwardian-sash-window-restoration\/","title":{"rendered":"Case Study Queens Park-Edwardian Sash Window Restoration"},"content":{"rendered":"\t\t
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London\u2019s Specialist in Period Sash Windows & Doors<\/p>\n\t\t\t\t\t

Queens Park, London \u2014 Edwardian Sash Window Restoration<\/h2>\n\t\t\t\t\t\"case\t\t
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Location<\/h4>\n\t\t\n<\/div>\n
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Property Type<\/h2>\n\t\t\n<\/div>\n
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Project Duration<\/h2>\n\t\t\n<\/div>\n
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Windows Installed<\/h2>\n\t\t\n<\/div>\n\n<\/div>\n
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Queens Park,
London<\/h4>\n\t\t\n<\/div>\n
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Edwardian Semi-Detached<\/h4>\n\t\t\n<\/div>\n
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1 Day (plus 2 tea breaks)<\/h4>\n\t\t\n<\/div>\n
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1 Bespoke Sash Window<\/h4>\n\t\t\n<\/div>\n\n<\/div>\n\n<\/div>\n\n<\/div>\n
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Project Overview<\/strong><\/h3>\n\t\t\t\t\t\n
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Some jobs arrive as a straightforward phone call: one window, one address, one day\u2019s work. This was one of those jobs \u2014 on paper. In practice, it turned into one of the most memorable installs of the year, for reasons that had very little to do with the window itself.<\/p>\n\t\t\t\t\t

The client, a homeowner on a quiet residential street in Queens Park, had an original Edwardian sash window in the front reception room that had seen better days. The sashes had been painted shut at some point in the 1990s (a crime against joinery that we see more often than we\u2019d like to admit), the lower sash had developed a noticeable lean, and there was a draught that, according to the homeowner, \u201ccould chill a glass of white without the fridge.\u201d<\/p>\n\t\t\t\t\t

Golden Ratio Sash Windows & Doors were brought in to supply and install a bespoke replacement sash window \u2014 sympathetically designed to match the original Edwardian proportions, with slim sightlines, traditional run-through horns, and a smooth spiral balance system to make the sashes glide effortlessly for years to come.<\/p>\n\t\t\t\t\t

The Property<\/strong><\/h3>\n\t\t\t\t\t\n
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The house itself is a classic Queens Park Edwardian semi-detached \u2014 the kind of property that has survived two world wars, several ill-advised extensions, and the full horror of 1970s interior design largely intact. High ceilings, original cornicing, and a facade that has somehow kept its dignity despite the double-yellow lines creeping up the street outside.<\/p>\n\t\t\t\t\t

These Edwardian properties are a pleasure to work on. The original joinery was built to last, and when it\u2019s finally time to replace a window after 100-plus years of service, you want to make sure the replacement is worthy of what it\u2019s replacing. Off-the-shelf uPVC was never going to cut it here \u2014 and to the homeowner\u2019s credit, they knew that from the outset.<\/p>\n\t\t\t\t\t

The front elevation faces north-west, which means the window takes the full force of London\u2019s more enthusiastic weather. The existing frame showed the expected wear: paint build-up across the sash meeting rails, a slight twist in the lower sash, and glazing putty that had given up the ghost about fifteen years ago.<\/p>\n\t\t\t\t\t

The Solution<\/strong><\/h3>\n\t\t\t\t\t\n
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Following a full survey of the existing opening, our team designed a bespoke hardwood sash window to the following specification:<\/p>\n\t\t\t\t\t

Engineered hardwood frame<\/strong> \u2014 finger-jointed Accoya for outstanding stability and paint adhesion<\/p>\n\t\t\t\t\t

Traditional Edwardian proportions<\/strong> \u2014 matching original glazing bar layout and horn profile<\/p>\n\t\t\t\t\t

Spiral balance system<\/strong> \u2014 replacing the original (and long-expired) box sash weights<\/p>\n\t\t\t\t\t

Double-glazed units<\/strong> \u2014 slim-line 4\/6\/4mm to maintain original sightlines<\/p>\n\t\t\t\t\t

Draught-proofing brush seals<\/strong> \u2014 fitted to all four sides<\/p>\n\t\t\t\t\t

Factory primed in white<\/strong> \u2014 ready for the client\u2019s chosen top coat<\/p>\n\t\t\t\t\t

The window was manufactured at our London workshop and delivered to site on the morning of the installation \u2014 a process that, under normal circumstances, takes approximately one working day from first fix through to final seal.<\/p>\n\t\t\t\t\t

These were not, as it turned out, entirely normal circumstances.<\/p>\n\t\t\t\t\t\"Edwardian\t\t\t\t\t

The Job Itself: A Story in Several Cups<\/strong><\/h3>\n\t\t\t\t\t\n
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Our lead installer, Jamie, arrived at 8:15am. He rang the bell, introduced himself, and had barely finished explaining the day\u2019s plan before the homeowner \u2014 let\u2019s call her Margaret, because she had that energy \u2014 vanished into the kitchen and reappeared forty-five seconds later carrying a tray, two mugs, a small plate of shortbread, and the kind of expression that made it clear refusal was not an option.<\/p>\n\t\t

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\u201cYou\u2019ll need fuel before you start. Sit down, sit down. I made a pot.\u201d<\/em><\/strong><\/p>\n\t\t\n<\/div>\n\t\t\t

Cup of tea number one was consumed at 8:20am, standing in the hallway, before a single tool had been unpacked.

By 9:30am, with the old window successfully removed and the opening prepped, Margaret returned with a second round. This one came with biscuits described as \u201chomemade\u2014well, mostly. I used the packet mix but I added vanilla.\u201d Jamie accepted graciously. His colleague Lee, perched on a step ladder with a chisel, accepted slightly less graciously, having just achieved perfect focus on a particularly stubborn section of frame.

The installation itself proceeded beautifully. The new frame dropped into the opening with the satisfying snugness that only comes from a properly surveyed, properly made window. Fixing, sealing, beading \u2014 everything went to plan. At approximately 11:15am, with the new sashes hung and the spiral balances adjusted, Jamie demonstrated the window to Margaret: a smooth, effortless glide, both sashes moving exactly as they should.

Margaret was delighted. She opened and closed the lower sash four times in quick succession with an expression of pure joy.Then she went to put the kettle on.<\/p>\n\t\t

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\u201cThat\u2019s marvellous. Absolutely marvelous. Now, you must stay for a proper cup. Not a quick one \u2014 a proper one. I\u2019ve got cake.\u201d<\/em><\/strong><\/p>\n\t\t\n<\/div>\n\t\t\t

There was cake. A lemon drizzle, as it happened. Jamie later described it as \u201cgenuinely one of the better ones I\u2019ve had.\u201d

By 12:30pm, the installation was complete, the site was clean, and the team had consumed a combined total of seven cups of tea, two rounds of biscuits, and a generous slice of cake each. Margaret had also, at one point, asked if anyone wanted soup (\u201cI\u2019ve got a lovely tomato on\u201d), which was politely declined on the grounds that they were already behind schedule.

The window looked exactly as it should: period-correct, beautifully proportioned, and completely at home on the front of a 115-year-old Edwardian semi. Queens Park was restored to its former glory, one sash at a time.<\/p>\n\t\t\t\t\t

Results at a Glance<\/strong><\/h3>\n\t\t\t\t\t\n
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Measure<\/strong><\/h4>\n\t\t\n<\/div>\n
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Before<\/strong><\/h2>\n\t\t\n<\/div>\n
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After<\/strong><\/h2>\n\t\t\n<\/div>\n\n<\/div>\n
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Draught Rating<\/strong><\/h4>\n\t\t\n<\/div>\n
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Significant gaps<\/h4>\n\t\t\n<\/div>\n
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Fully sealed<\/strong><\/h4>\n\t\t\n<\/div>\n\n<\/div>\n
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Noise Reduction<\/strong><\/h4>\n\t\t\n<\/div>\n
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Road noise audible<\/h4>\n\t\t\n<\/div>\n
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Noticeably quieter<\/strong><\/h4>\n\t\t\n<\/div>\n\n<\/div>\n
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Operation<\/strong><\/h4>\n\t\t\n<\/div>\n
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Stiff, paint-seized<\/h4>\n\t\t\n<\/div>\n
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Smooth, effortless<\/strong><\/h4>\n\t\t\n<\/div>\n\n<\/div>\n
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Kerb Appeal<\/strong><\/h4>\n\t\t\n<\/div>\n
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Tired, mismatched<\/h4>\n\t\t\n<\/div>\n
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Restored, period-correct<\/strong><\/h4>\n\t\t\n<\/div>\n\n<\/div>\n
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Queens Park, London<\/h4>\n\t\t\n<\/div>\n
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N\/A<\/h4>\n\t\t\n<\/div>\n
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7 (not all voluntary)<\/strong><\/h4>\n\t\t\n<\/div>\n\n<\/div>\n\n<\/div>\n\t\t\t

Client Feedback<\/strong><\/h3>\n\t\t\t\t\t\n
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\u201cI was nervous about having the window replaced \u2014 the house is over a hundred years old and I didn\u2019t want anything that looked wrong. Golden Ratio were brilliant from the survey right through to the finish. Jamie and Lee were tidy, professional, and incredibly patient. I may have slowed them down slightly with the refreshments but they never complained once. The window is perfect. I couldn\u2019t be happier.\u201d<\/em><\/strong><\/p>\n\t\t\n<\/div>\n\t\t\t

\u2014 Homeowner, Queens Park, London<\/u><\/p>\n\t\t\t\t\t

Why Golden Ratio Sash Windows & Doors?<\/strong><\/h3>\n\t\t\t\t\t\n
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At Golden Ratio, we specialise exclusively in sash windows and doors for period London properties. Every window we make is bespoke \u2014 surveyed, designed, and manufactured specifically for the opening it will live in for the next hundred years.

We understand that for homeowners with Edwardian, Victorian, or Georgian properties, replacing a window isn\u2019t just a maintenance decision. It\u2019s a commitment to the character of the building. That\u2019s why we never use off-the-shelf units, never rush a survey, and never fit a window we wouldn\u2019t be happy to put our name on.

We also, as this case study demonstrates, never turn down a cup of tea.<\/p>\n\t\t\n<\/div>\n\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

London\u2019s Specialist in Period Sash Windows & Doors Queens Park, London \u2014 Edwardian Sash Window Restoration Location Property Type Project Duration Windows Installed Queens Park,London Edwardian Semi-Detached 1 Day (plus 2 tea breaks) 1 Bespoke Sash Window Project Overview Some jobs arrive as a straightforward phone call: one window, one address, one day\u2019s work. This […]<\/p>\n","protected":false},"author":1,"featured_media":3054,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27],"tags":[],"class_list":["post-3014","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-case-study"],"_links":{"self":[{"href":"https:\/\/goldenratiowindows.co.uk\/blog\/wp-json\/wp\/v2\/posts\/3014","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/goldenratiowindows.co.uk\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/goldenratiowindows.co.uk\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/goldenratiowindows.co.uk\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/goldenratiowindows.co.uk\/blog\/wp-json\/wp\/v2\/comments?post=3014"}],"version-history":[{"count":41,"href":"https:\/\/goldenratiowindows.co.uk\/blog\/wp-json\/wp\/v2\/posts\/3014\/revisions"}],"predecessor-version":[{"id":3060,"href":"https:\/\/goldenratiowindows.co.uk\/blog\/wp-json\/wp\/v2\/posts\/3014\/revisions\/3060"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/goldenratiowindows.co.uk\/blog\/wp-json\/wp\/v2\/media\/3054"}],"wp:attachment":[{"href":"https:\/\/goldenratiowindows.co.uk\/blog\/wp-json\/wp\/v2\/media?parent=3014"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/goldenratiowindows.co.uk\/blog\/wp-json\/wp\/v2\/categories?post=3014"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/goldenratiowindows.co.uk\/blog\/wp-json\/wp\/v2\/tags?post=3014"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}