Lockwood 203 Interior Round Corner Plate - DDA Accessible Turnknob & Lever 96 | Synergy 3570 Series
The Lockwood 203 Series Interior Plate with DDA Accessible Turnknob and Lever 96 is designated for the Lockwood Synergy 3570 Series Mortice Lock (cylinder code N) and combines a DDA-accessible turnknob with a DDA-compliant Lever 96 for accessible interior locking and lever-operated latch release.
Available in Natural Anodised Aluminium (Right Hand only) and Satin Stainless Steel (both hands). Pairs with the 202 Series exterior plate. For the Selector 3770 Series equivalent refer to 20339NS/96.
Usually ships in 11 business days
Please confirm lock series compatibility, finish, handing and suitability before ordering.
Available Finish Options
Natural Anodised
NT - Right Hand only
Right Hand only
Satin Stainless Steel
SS
Natural Anodised Aluminium available in Right Hand only. Satin Stainless Steel available in both hands.
Fire Rated
- Fire rated up to 4 hours - AS1905.1:2005. Fire performance is dependent on doorset type and configuration. Compliance is system-based and limited by the FRL of the complete doorset assembly.
Disability Act Compliance (DDA)
- The DDA-compliant turnknob meets the requirements of AS1428.1-2009, Design for Access and Mobility, providing an accessible interior turn operation for people with limited hand strength or dexterity.
- Lever compliance (where applicable) also meets AS1428.1-2009. Compliance relates to hardware design only and does not imply full building compliance.
Key Features
- Round corner 162 x 162mm interior plate with 10mm radius corners - Lockwood Artefact 203 Series
- DDA Accessible Turnknob and Lever (Function 39) - Synergy 3570 Series (cylinder code N)
- DDA lever-form accessible turnknob - meets AS1428.1-2009
- Lever 96 - AS1428.1-2009 compliant
- Designated for Lockwood Synergy 3570 Series Mortice Lock
- Natural Anodised (RH only) and Satin Stainless Steel (both hands)
- Visible fixings at 4 points. Fixing screws not included. Supplied in trade pack.
- Fire rated to 4 hours - AS1905.1:2005. D8 tested. Pairs with 202 Series exterior plate.
Full Specifications
Item Codes
Dimensions & Technical Drawings




Helpful Tips
- Synergy 3570 only: Cylinder code N designates this for the Synergy 3570 Series. For Selector 3770 Series, specify 20339NS/96 instead.
- Natural Anodised - Right Hand only. Contact us if left hand NT is required.
- Fixing screws not supplied: The visible fixing screws for this interior plate are not included and must be ordered separately to suit the door thickness.
- Interior plate - pairs with 202 Series: This is the inside face plate. It must be paired with a 202 Series exterior plate (round corner). The interior plate uses visible fixings; the exterior 202 plate uses concealed fixings.
- Handing: Determined by which side the hinges are on when facing the door from outside. Left hand = hinges on the left. The interior plate handing must match the exterior plate.
- Thick doors: For doors 45-55mm, order long fixing screws SP2000-208 separately.
- Non-returnable: Confirm finish and handing before ordering - this item cannot be returned once purchased.
Mechanical: 25 years. Electrical/electronic: 2 years (excl. batteries).
- Everbrass: 25 years
- Stainless Steel, Chrome & Anodised: Up to 10 years
- PVD / VIVID: 10 years
- Symmetry: 5 years
- Decorative finishes (Bronze, Antique, Powdercoat): Typically 2 years
Lockwood 200/202 Series Handle Catalogue
Lockwood Push Pull Door Handles Catalogue
Lockwood Warranty
Lockwood branded products are covered by manufacturer warranties issued by ASSA ABLOY Australia Pty Ltd. Warranty periods vary by product type, with separate cover for mechanical components, electrical and electronic parts, keys, and finishes.
The summary below sets out the standard warranty structure. All warranty claims are handled by Terry's Tradies Pty Ltd and its associated websites, trading names, and subsidiaries. Full terms and exclusions are set out in the official Lockwood warranty document linked at the base of this page.
Warranty Summary
Finish Coverage Guide
- Everbrass finishes: up to 25 years against corrosion, tarnishing and discolouration.
- Stainless steel, polished stainless steel, chrome plating and anodised finishes: typically up to 10 years.
- PVD and VIVID finishes: typically up to 10 years.
- Symmetry range finishes: typically up to 5 years.
- Decorative finishes (Antique Copper, Architectural Bronze, Oil Rubbed Bronze, Aged Brass, Polished Brass, Satin Brass and related variants): typically up to 2 years against corrosion.
- Unlacquered brass finishes naturally age and change appearance over time. This is not considered a defect.
- Tea staining of stainless steel is not covered where the required cleaning and maintenance have not been followed.
How to Make a Claim
- Contact Terry's Tradies Pty Ltd and its associated websites, trading names, and subsidiaries with your proof of original purchase.
- Keep the product securely packed and clearly identified, ready for assessment.
- Where a claim is escalated to the manufacturer, ASSA ABLOY may issue a case number before goods are returned.
- ASSA ABLOY assesses the claim and determines repair, replacement with the same or closest equivalent product, or refund of the purchase price.
Exclusions
- Normal wear and tear.
- Misuse, abuse, accidental damage or use outside published specifications.
- Improper maintenance or failure to follow care instructions.
- Unauthorised modification, repair or use of non-genuine parts.
- Exposure to corrosive environments including coastal air, salt spray, chemicals or pollution.
- Removal, refitment or associated labour charges.
- Products not originally sold in Australia through authorised channels.
These manufacturer warranties apply in addition to your rights under the Australian Consumer Law. Our goods come with guarantees that cannot be excluded under the ACL. You are entitled to a replacement or refund for a major failure and to compensation for any other reasonably foreseeable loss or damage. Where a failure does not amount to a major failure, you are entitled to have the goods repaired or replaced.


