2nd storey house extention timber framed

This project was successfully completed by almiradjo for $440 USD in 10 days.

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Employer working
Project Budget
$250 - $750 USD
Completed In
10 days
Total Bids
Project Description


I would like to hire someone to draft up my home extension. I am currently exploring the option to owner build and require a design to start pricing. I work in the building industry as an estimator and if you have any questions regarding details please let me know.

The property is a survey strata villa located in Innaloo at 26B King George Street Innaloo Western Australia

Please find attached the preliminary design and notes

Drawings attached with notes are

Site plan showing access

Ground floor plan

Existing elevations

First floor design and notes

Please provide a quote for the following

Architectural drawings (drawings once complete are to be provided in PDF and Autocad or similar)


The extension is to be constructed out of 90mm thick timber stud and roof trusses are to be fabricated in a factory for erection on site.

Note roof and wall trusses are to be designed by others. Floor framing design is to be done by others.

Hardies Weatherboard cladding

External wall height 3m

Roof pitch to match existing

Internal wall lining – 13mm plasterboard

Ceiling lining – 13mm plasterboard

Floor framing to be designed by structural engineer (others) first floor level is to be set at 300mm above internal leaf of brickwork. The internal leaf is 3 courses (257mm) above external wall height.

Ceiling height @ 2700mm

Floor covering – Carpet

Windows to be aluminium sliding (sizes to be discussed)

Roof is to be corrugated zincalume with colorbond fascia and gutters

Timber decking 90x23.5 to balcony area

Glazed aluminium 1200mm high balustrade to balcony area

R3.0 Insulation to walls and ceiling

Anticon under roof sheeting

eaves to each side of roof except neighbors side

We require a full set of construction drawings including the following

Plans and details required:

a. Site Plan (Scale 1:200), plan to show the following details:

i. Boundary measurements and all details shown on existing drawing

ii location of renovation / second storey

b. Roof Plan (Scale 1:100)

i. Ridge line

ii. Downpipes

iii. Gutters

c. Ground Floor Plan (Scale 1:100)

i. Dimensions of rooms, walls, overall building using existing plans

ii. Eaves & roof ridges to be shown on floor plan as a dashed line

iii show location of new timber staircase

c. First Floor Plan (Scale 1:100)

i. Dimensions of rooms, walls, overall building

ii. Window & Door Schedule of renovation area only

iii. Eaves & roof ridges to be shown on floor plan as a dashed line

d. Elevations all four sides (Scale 1:100)

e. Sections through building

f. Construction details

g. Demolition plan showing the section of roof to be removed scale (1:100)

Kind Regards


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