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Sash Window Repairs & Heritage Timber Restoration in Sydney

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​​Barnsbury Joinery restores, repairs and upgrades heritage timber sash windows and doors across Greater Sydney—protecting original character while improving comfort, security and efficiency. Our Sydney workshops manufacture exact-match components for faithful repairs and replacements.

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Why homeowners in Sydney choose Barnsbury:

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  • Heritage-first approach: Sensitive to conservation areas like Paddington and inner-city terraces, with detailing that respects Victorian, Federation and Inter-War styles. woollahra.nsw.gov.au

  • Council-aware: Guidance on what typically needs consent vs. heritage exemptions, and what documentation helps approvals proceed smoothly. City of Sydney

  • Standards-aligned: Work practices follow relevant Australian Standards such as AS 2047 (windows & external glazed doors) and AS 1288 (glass selection & installation). Standards Globalagwa.com.au

  • Fast quotes: Send an online quote request at: info@barnsburyjoinery.com and we’ll get back to you promptly. 

 

Our sash window services in Sydney - Heritage restoration & repairs:

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  • Sash cord, pulley and weight rebalancing for smooth operation

  • Rot repairs to sills, rails and box frames

  • Putty/glazing repairs; draught, rattle and water-ingress fixes

  • Discreet draught-proofing system to retain original look while reducing air leaks and noise (see our dedicated draught-proofing info). ​

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Replacement & new timber sash windows:

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  • Like-for-like replacements when fabric is beyond repair

  • Custom mouldings and profiles to match original detailing from your street or period

 

Slimline double glazing for heritage windows:

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  • Narrow cavity units fitted into existing or replica sashes to improve thermal and acoustic performance with minimal visual change

  • Optional acoustic glass for traffic-affected streets and flight paths

 

Painting & finishing:

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Our process (what to expect):

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  1. Survey & advice – Assess condition of sashes, frames, sill and pointing; advise on repair vs. replacement.

  2. Careful removal – Remove staff/parting beads and lift out top & bottom sashes for bench work.

  3. Joinery & hardware – Repair/replace decayed timber, install brass pulleys with sealed bearings, re-rope and rebalance.

  4. Sealing & upgrades – Fit concealed draught-proofing, renew cords/lifts/catches/locks as specified.

  5. Prime & prepare – Undercoat exposed woodwork and caulk beadings, ready for finishing.

  6. Quality check & handover – Reinstall, test operation and provide care guidance. 

 

Heritage approvals in Sydney:

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  • Minor like-for-like maintenance on heritage items or in conservation areas may be eligible for a local heritage exemption (still requires written confirmation before you start). City of Sydney

  • Many other works require development consent; council’s advisers can guide next steps. North Sydney Council
    This overview is informational only; always confirm with your local council before commencing works.

 

Areas we service:

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CBD & Inner City: Surry Hills, Darlinghurst, Redfern, Chippendale
Eastern Suburbs: Paddington, Woollahra, Bondi, Bronte, Coogee, Randwick
Inner West: Newtown, Enmore, Stanmore, Marrickville, Annandale, Leichhardt, Balmain, Glebe
Lower North Shore & Beaches: Kirribilli, Neutral Bay, Cremorne, Mosman, Manly
South & Shire: Waterloo, Alexandria, Rosebery, Mascot, Kogarah, Cronulla

 

FAQs

 

Do I need council approval to repair or replace my sash windows?
 

Often, like-for-like maintenance may be exempt in heritage contexts—but you typically need written confirmation from the City of Sydney (or your local council) before works. Larger changes usually need consent. City of SydneyNorth Sydney Council

 

Do you meet Australian Standards?


Our methods align with relevant standards, including AS 2047:2014 (windows/external glazed doors) and AS 1288:2021 (glass selection/installation). Standards Globalagwa.com.au

 

Can you keep the original look while improving performance?


Yes—our slimline double glazing and concealed seals retain period character while improving comfort and acoustics.

 

How fast can I get a quote?
 

Submit an online quote request and we aim to respond promptly by email at: info@barnsburyjoinery.com 

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Ready to restore your Sydney sash windows? Request your quote today and we’ll advise on the best heritage-sensitive solution for your home.​

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