Deck Design 406-4 – Timber Deck Plan NZ

The Deck Design 406-4 is a practical and cost-effective timber deck solution for an along wall configuration. This design also has steps at both ends of the deck. The design features a planter box and set on the left hand side. A pergola can be added to this design as an option.

The deck has a height range of 400 & 500mm.

The design is compliant to all the relevant building code regulations for New Zealand .Use our online deck design tools to customise this layout, estimate material costs, and explore alternative configurations tailored to your property.

This ROBO Deck Designer makes the creation of NZ deck plan drawings a breeze. By clicking on the form controls with this website it is possible to create a working deck plan drawing of a deck within minutes with a complete list of materials. By using this service you can create a working deck drawing with limited design knowledge to the New Zealand (NZ) building code. To use the online tool the preview drawings are free, if you decide to go ahead and purchase a set of drawings the cost is from $299.00 + GST.

How much would the materials cost for a deck of this design (including GST)?*

Material Costs (including GST)	5.6m long	7.0m long	8.4m long
3.6m Wide	$6964.49	$7715.70	$8655.49
3.6m Wide with pergola	$8199.52	-	-
4.2m Wide	$8150.38	$9024.18	$10151.89
4.2m Wide with pergola	$9509.34	-	-
6.0m Wide	$10280.74	$11380.11	$12779.66
6.0m Wide with pergola	$11911.92	-	-
Cost per m²	Between $253.56 & $346.53
Cost per m² with pergola	Between $354.52 & $406.72

*For full details, please click on the links in the table above. Please note the costs listed above are for a deck 500mm high with no pergola, supported by the foundation of the house (as shown in the images), 90x32 griptread decking and galvanised nails. Also the material prices were last updated on Monday 10 August 2026.

To get an accurate costing for your deck of your desired size, please use the online tool by pushing the blue button above.

Design No:	406-4
Steps:	Yes
Pergola design available:	Yes
Special features:	Planter box/seat
Length(s) available:	3800-4089mm, 4421-5699mm, 6001-6199mm, 6466-7199mm, 7341-7499mm, 8200-8400mm
Width(s) available:	2400-6000mm
Length(s) available for pergola:	3800-4089mm, 4421-5699mm
Width(s) available for pergola:	2700-6000mm
Height(s) available:	400 & 500mm
Option for sloping ground:	No

For a clearer view please click on the visualisation images

Without pergola	With pergola

Disclaimer: Whilst this website contains a significant amount of information on the design of decks which has been produced with the highest level of professional care, ROBO Deck Designer, ROBO Design Solutions or Paul Roberts (the developer of this website) does not accept any responsibility for the accuracy of the information on this website. This website is intended as a guide only, please refer to the New Zealand building code for the appropriate regulations.