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Welcome to the Home Warehouse,
Using the menu below, you will find an in-depth list of service providers and products within your area. These trusted Companies are the best in their areas of expertise and offers quality workmanship.
Guide to Plans What does plans cost ? Fees are quotes per plan and depend on various factors,
including: Location of property Type of development Additional services needed such as sub-division,
second home application, engineering reports, etc. Guidelines set by the South African Council for the
Architectural Profession For these reasons it isn't possible to give you a basic
fee. The best is that you request a quote for your specific project. Yes, you can buy stock plans from the internet, but it
is always more exciting drawing your own and discussing it with a professional
architect. Architects will not only assist you with the many
aspects of the building process, but will also be able to give you informative
advice and ideas. For me, the most important part of my planning was
extensions. When I started building my house, I just got engaged and planning a
family was not on the cards yet. Although I knew that I would like to have 15
sons to help our National Sports Teams one day. I was not ready to build a room
for each of them. So, do your planning carefully. You don't want to build a 3
storey house with 10 bedrooms, but there is only 2 -3 people living in the
house. Rather allow planning for extensions in the future. more info below.............. |
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BASIC DESIGN PRINCIPLES FOR FIRST TIME BUILDERS
Before setting your mind on a particular choice of plan or architectural
design, take the time to read through the following pointers as set out below,
subsequently you will be able to make a more knowledgeable decision in plan
design & style choice.
SIZE
The size of the proposed house will often be determined by budget for most 1st
time builders in South Africa but other factors will also play a big role.
Local municipalities will always stipulate a certain coverage and height
restriction for a site in a particular area. Read through your title deed for
possible servitudes (areas as set out by the municipality for other uses eg.
Electrical or sewerage services) or other restrictions before planning is
started as these might also greatly reduce buildable area on your erf.
Take a look at the following typical example:
You have just bought a lovely stand at the coast with a great view towards the
sea. The size of the stand is 600sqm (20m X 30m) with a 3m building line all
around. You contact the local authority or estate architect and find out that
only a 40% coverage is allowed for this stand and that the 1st
floor may only be 30% of the groudfloor area to not restrict sea views for the
neighbouring houses.
You might be surprised how limited your building area has become with the
above parameters: The stand’s building area is reduced to 336sqm by the
building line alone, furthermore the coverage only allows for a 240sqm max.
building footprint with a 72sqm upper floor. Therefore the building limit for
this stand would be 312sqm.
The above example might seem irrelevant, but often other factors eg.
Orientation of the site might further difficult the situation.
FUTURE EXTENSION
Are you planning to have more children? Do you have ageing parents that might
require a living unit on your property? You might be retiring in a couple of
years and may feel the need to provide space for a hobby area / workshop /
library that you envisage for the future. You could also be planning to start
your own home based business in the future and might need extension space to
your home at that time.
According to statistics, South Africans typically stay in a house for apprx. 7
years and might move around more that other established countries, but often
families become comfortable with their current accommodation and find it less
troublesome to extend to their existing house than moving to a new bigger
house. With the above in mind, you might want to plan your new proposed house
to be able to accommodate possible future extension.
SIZE OF YOUR EXISTING FURNITURE
Make sure that the planned room sizes will be able to accommodate your
existing furniture. You might own huge antiques or double beds for all the
bedrooms. With the always rising building costs secondary bedrooms are often
designed to only accommodate a single bed.
You might also want to take time to carefully consider the size of the garage.
A standard double garage is considered to be 6x6m but doesn’t leave any space
for storage or perhaps a DIY-corner especially if you own large vehicles.
ORIENTATION
Often the shape of the site and/or possible views has a huge effect on the
placement of the building, but keep the following in mind before before
putting pen to paper:
Minimize west facing window openings as far as possible , rooms facing west
can really become uninhabitable during the late afternoon until early evening.
Also western sun can be very destructive for curtains, furniture etc.
Try to minimize east facing bedrooms also unless you are an early riser, as
the sun can wake one up a lot sooner than was planned. Often residences on the
eastern coast of the country have views toward the east thus too many east
facing bedrooms has to be considered carefully.
The perfect orientation in SA for all habitable rooms in a house is 10 degrees
east of north to minimize the heat in summer and in the cold winter months
when the sun is lower creates less shadows and more heat radiation in the
habitable rooms.
When planning the positioning of your house on the site, the position of sewer
connection should be kept in mind – Try to keep sewer line lengths to a
minimum. The garages should also be planned close to the site entrance to keep
the driveway area to a minimum to keep paving costs down. (Most local
authorities do however require a minimum of 6m driveway for visitor vehicle
stacking)
SHAPE OF HOUSE
Shape of house – Take into account that the more complex (many corners) the
plan the more the cost, also a square shape is more cost effective than a long
rectangle, for example if you build a square house of 10x10m (100sqm) the
total brick perimeter would be 40m, however if you build a 100sqm rectangular
house of say 5x20m, the external envelope will be 50m in perimeter. The above
is exaggerated, but illustrates the idea.
Try to keep away from excessive curves in the design of the external envelope,
in particular when building a conventional roof and not a thatch or concrete
roof, as this might require building unnecessary extra roof ridges and
breaking up of roof tiles to accommodate this. It will often be a nightmare to
build you might have a lot of waterproofing issues.
If the plan of the design is very complex, it might also require building
unnecessary parapet walls to accommodate the roof structure which leads to
extra flashing (more potential for leakage)
If you live in very windy conditions eg. The False bay area in the Cape, you
should consider building the shape not to ‘catch’ the wind but with its back
to it.
ARCHITECTURAL STYLE
a Lot of themed estates have been rising up all over the country for a number
of reasons. If you have bought into one of these estates, you should obtain a
copy of the Aesthetic committee’s rules and regulations regarding the allowed
architectural styles as they often have a strict architectural theme that
owners must adhere to.
Roofing
The architectural style of a house often bring about many variances of roof
design. Concrete roofs (Contemporary styles) typically has no eaves overhang
and is not optimal for our country’s generally sunny conditions and rooms
could often be very hot as the sun heats a larger portion of a room’s floor
area which is retained and make the home’s ambient temperature a lot warmer.
The ‘Tuscan’ look as adopted by South Africans around the country, also
characteristically features very small eaves roof overhangs, which again is
not favourable for sunny conditions for the same reason as mentioned above,
what makes it even worse than that of a concrete roof is the weather proofing
of this way of roof design. Driving rain can cause moisture to easily, and do,
creep in below the eaves and create moisture leakage into the building. You
might have a lot of stained ceilings within a years’ time.
If you are fond of this look, consider having larger overhangs which can be
done without compromising this ‘style’
Thatch roofing can be quite a bit more expensive that conventional roofing but
allows for a great cool atmosphere within such a building perfect for South
Africa’s sunny conditions.
Gable walled architecture where the gable extends past the roof are often
considered to be very attractive, but keep in mind that the roofs will have to
be flashed at all the gables and if not done properly has an increased chance
of water leakage into the house.
Windows & Doors
Consider the size of the window openings. Windows can be wood, steel,
aluminium, top-hung, side-hung, sliding etc. in the end the style of the house
will mostly influence the type of window but if unsure about sizing of
openings refer back to the orientation section earlier.
The NBR specifies a daylight opening of at least 10% of the floor area of a
room
Where possible always try to create as much cross ventilation to habitable
rooms as possible.
Where doors face towards the west, consider the maintenance and material of
these.
In windy conditions, try to keep doors screened from the prevailing wind side
especially large leafed swing doors.
Folding & stacking doors are great to enhance the living towards the outdoor
feeling and for ventilation, but keep the width of these to a minimum as
problems with the sliding gear often arise when the spans are too vast.
When using sliding doors or folding & stacking doors in bedrooms, make sure to
include a window in the room no matter what the size of the door opening, as
you might want to lock these doors at night time for security or other reasons
and still have ventilation into the room. Often designers create doors the
whole length of the exterior wall of a room and this gets overlooked.
Walls
Walls can be facebrick, plastered, stone walls, stone cladded, wooden logs,
tiled, aluminium panel cladded etc.
When considering the above always keep in mind the time and costs of
maintenance and the construction cost. For example: Plastered walls might
require painting every 3-6 years but could cost significantly less to
construct that a facebrick wall which requires virtually no maintenance.
Also keep in mind, that a plastered building could be livened up after a
couple of years by painting it another colour to give the house a fresh look,
with most other wall finishes you will not have the opportunity to provide the
house with a fresh look at the same low cost.
MATERIALS
When deciding upon a particular architectural style, consider the materials
that typically accompany that style.
Factors that may influence your decision:
Colours
Heat absorption
Costs
Maintenance
Ageing
Availability in your area
Labour intensiveness
Practicality
BUILDING REGULATIONS
If designing your own house plan, make sure to obtain a copy of the South
African building regulations (SABS) as many rules regarding typically: sizes,
heights, fire prevention, lighting, ventilation are required to be
incorporated into a design.
Article by HJ Botes, Architect & founder of dreamhouses.co.za
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