The Welgemoed Slope & Sun Field Guide

Welgemoed shades differently to the rest of Cape Town, and it comes down to where the suburb sits. Built across the northern slopes of the Tygerberg at about 310 metres — the highest suburb in the city — its big family homes are turned outward to the view down over Bellville and the Cape Flats. But a home built to face a view is built around a lot of glass, and glass is what the Cape summer punishes. One blockout blind on every window “solves” that by throwing away the view you paid for. This guide walks the house elevation by elevation, names the product we’d specify and why — and, just as honestly, where the cheaper option wins.

The light here, by season

Why the four-o’clock sun, not the noon sun, is the one that ruins a Welgemoed room.

Cape Town sits at about 34° south, so the midday sun is always in the northern sky and north-facing rooms get light all day. What changes through the year is the angle, and the numbers below are calculated from that latitude rather than quoted. In high summer (late December) the noon sun climbs to roughly 80° — almost straight overhead — so a normal eave or first-floor overhang shades north glass at midday without a blind doing anything. In midwinter (June) that same noon sun drops to about 33°, low enough to reach deep into north rooms, which in a wet Cape winter is welcome free warmth you don’t want to block off permanently.

The problem is the west. In summer the sun sits low from about 15:00, firing almost horizontally at west- and north-west-facing glass at eye level — the hour a Welgemoed lounge becomes unusable and a television washes out. No eave can stop a low, side-on sun; only something at the glass can. Pair that with a Cape Town summer UV index that runs 11 to 14 — rated “extreme” from October through March — and that afternoon load is heat, glare and fabric-fade at once. This is what the guide is really about.

External aluminium venetian blinds mounted outside the glass on a contemporary double-storey Welgemoed facade, horizontal metal slats tilted to cut the low west afternoon sun, the elevated Cape Flats view hazy behind

External venetians stop the west sun outside the pane — the slats tilt to hold the view while cutting the glare, on a facade that faces the afternoon.

Elevation by elevation

Walk your own house in your head as you read — you’ll know which of these is your problem window.

North Sun all day

High summer sun (easy to shade), low winter sun (worth keeping). A sunscreen roller or an adjustable external device beats a permanent blockout — up here you want to manage this light, not kill the winter warmth that comes with it.

West The hard case

Low, brutal 15:00–19:00 summer sun straight at eye level, and often the elevation with the biggest view glass. Heat and glare stopped outside the pane wins here; an interior blind is the fallback, not the ideal.

East Morning only

Bright, direct sunrise into bedrooms and breakfast rooms, gone by mid-morning. Blockout or a day/night blind for the sleep-in; the heat load is mild, so an interior blind is perfectly fine here.

South Damp, not sunny

Almost no direct winter sun, the least ventilation and the most winter damp on a slope that catches the north-west fronts. The enemy here is condensation and mildew, so moisture-tolerant surfaces beat soft fabric.

Side-on close-up of a cellular honeycomb blind in a calm Welgemoed bedroom, its pleated hexagonal air cells clearly visible, condensation beading on the cold window glass on a wet Cape winter morning

The honeycomb cell seen side-on — the trapped air is what makes it the range’s best insulator, and exactly what a damp south room has to weigh against holding moisture.

What we’d specify, and the honest trade-off

Every card names when it wins in Welgemoed — and when the cheaper choice is the right one instead. Tap “add to my list” on anything you want, and it carries down to the two options at the foot of the page with no retyping.

West & north-west glass · the afternoon-heat fix

External venetians over an interior blockout roller

On an unobstructed west elevation, stopping the sun outside the pane is the difference between a cool room and a warm one. External venetian slats intercept the low afternoon sun before it becomes heat inside, and they tilt so you keep the view instead of sealing the room dark. An interior blockout only absorbs that heat after it’s through the glass — the pane still radiates warmth into the room.

The other way round: external venetians cost more, are a bigger install, and need a wind sensor for the south-easter you get up here. If a west window is already shaded by a deep eave, a neighbour’s wall or a mature tree, or the budget leads, an interior sunscreen or blockout roller is the sensible, far cheaper call.

Hard-westerly glass · external shading on a manor facade

Roller shutters where the west sun is relentless

On the worst west and north-west glass — the room that bakes every summer afternoon — an external roller shutter is the heaviest sun, heat and glare control we fit: a slatted aluminium curtain that rolls down the outside of the window from a slim headbox, stopping the load before it touches the pane, and styled to sit quietly on a manor facade.

Shading, not security. These are shading shutters — made for sun, heat, glare and light control on the outside of the glass. They are not security-rated shutters; that is a different product we can quote on request.

The honest trade-off: a shutter closed right down blocks the view and the light completely, so it’s a “when you want it” product, not an all-day one — and on a gated or estate pocket the external colour and profile may need aesthetic sign-off. Where you mostly want to keep the view while cutting glare, an external venetian or a sunscreen roller is the better everyday answer.

View-facing lounge & dining glass

Sunscreen roller over a plain blockout

The whole reason most Welgemoed lounge glass exists is the outlook, so a mesh sunscreen fabric (3–5% openness) is usually the right everyday blind: it cuts glare and blocks most of that extreme summer UV while leaving the view down the slope intact as a soft picture. A blockout would trade the view for a darkness you don’t need in a living room by day.

The honest catch: a sunscreen gives daytime privacy but reverses after dark — once the lights are on inside and the garden is black, people outside can see in more than you’d like. If that window faces a road above or a neighbour, pair it with a blockout (see the day/night below) rather than relying on sunscreen alone.

Windows that need a view and night privacy

A day/night blind over two separate blinds

Because Welgemoed sits on a slope, plenty of homes are overlooked by the street or the property above — so a window often needs the view by day and a real screen after dark. A day/night (double-roller) blind carries alternating sheer and solid bands on one tube: line them up for a filtered view, offset them for near-solid privacy at night — one blind doing both jobs where a single sunscreen can’t cover after dark.

The other way round: it costs more than a single roller. If a window has no night-privacy problem — it faces your own garden or straight out over the valley — a plain sunscreen roller does the daytime job for less, and a day/night is money you don’t need to spend.

Dry bedrooms & studies wanting warmth + a proper sleep-in

Cellular / honeycomb where insulation is the goal

Honeycomb blinds trap a layer of still air in their pleated cells, so they take the edge off both a 27°C February afternoon and a cold, damp June morning better than any flat fabric — the strongest insulator in the range, and available with a blockout cell for a dark bedroom. In a dry, decently ventilated bedroom or study up here, this is the comfort pick.

Where it’s the wrong choice: in a poorly ventilated, south-facing wet-winter room a fabric cell can hold onto damp and eventually mildew. That specific room wants the aluminium venetian below, not honeycomb — keeping the mould out matters more there than the extra warmth.

Damp south rooms, bathrooms, low-airflow kitchens

Aluminium venetians where fabric would suffer — and timber where it wouldn’t

Welgemoed’s wet winters and least-ventilated south rooms are where soft fabric struggles. Aluminium venetian slats wipe clean, shrug off steam and condensation, and tilt for light and privacy — the durable answer in a bathroom or shaded south room where a cellular or roller blind would slowly take on moisture. In a dry living room or study, a wide-slat timber venetian is the better-looking version of the same idea and suits an established home.

The trade-off: aluminium insulates far less than honeycomb and can read as more utilitarian; timber looks warmer but will move and mark in a genuinely damp room. It’s a room-by-room call, not a whole-house one — same product family, opposite rooms.

The entertaining terrace · overhead summer shade

A folding-arm awning for the terrace lunch

For a wide entertaining terrace built for a Sunday lunch with the view, a retractable folding-arm awning throws overhead shade across the whole table and rolls away when you want the winter sun back. On a north or west terrace it’s the difference between using the space at midday in February and abandoning it to the heat.

Honest limits: an awning shades from above, so it does little against a low, side-on west sun or against the south-easter — and up here it must go up with a wind sensor that auto-retracts, or the Cape Doctor will wreck it. For wind and low sun you want the zip screen below; a lot of Welgemoed terraces end up with both.

The terrace & view deck · wind, low sun & insects

Zip screens to close a view deck against the south-easter

The prevailing summer wind here is a strong south-easter — the “Cape Doctor” — and an elevated Welgemoed stand feels it harder than the valley floor. A normal drop-blind flaps and tears in it; a zip screen runs in zipped side channels so the fabric can’t flap, sealing a view deck against wind, low afternoon sun and insects, and turning it into a usable room on a gusty Cape evening without losing the outlook it was built for.

The trade-off: a zip screen drops vertically, so it’s not overhead shade — at high summer noon you’d still want an awning above it. Pick the zip screen for wind and the low western sun; pair it with an awning for midday cover.

Wide, tall, view-facing & golf-course-facing glass

Motorisation on the big spans — often the only practical option

On the floor-to-ceiling and double-volume glass a Welgemoed manor home carries — much of it facing the view or the Bellville Golf Club fairways the suburb wraps around — a blind often runs past a comfortable hand-reach and past 3 m of fabric. A motor with a sun sensor also drops the west blinds before the room heats at four o’clock, and retracts an awning when the wind sensor triggers. Battery motors suit a retrofit; wired motors suit a new build.

Where it’s a luxury, not a need: on a small, reachable window motorisation is a nice-to-have you can skip. It earns its cost on the wide, high, or hard-to-reach glass — not on every opening in the house.

Newer manor builds · frameless & double-volume glazing

A concealed, recessed roller on the architectural glass

The newer double-storey builds going up in Welgemoed run to frameless corners and double-volume glazing, and a headbox sitting proud of the glass — or a chain hanging metres down it — ruins exactly the clean line the architect drew. A concealed roller drops out of a slim ceiling slot or a plastered bulkhead, so raised, the window shows nothing but glass and frame.

The honest trade-off: concealed systems are almost always motorised (there’s no hand-reach into a ceiling slot), so they cost more and the slot and motor routing have to be planned before the ceiling is closed. On a standard-height window with an easy reach, a neat surface-mounted roller does the same shading job for less.

A west-facing Welgemoed living room at about four o'clock in summer, a single smooth flat sunscreen roller blind fully lowered over a wide window, the low glare softened to an amber wash while the garden and distant city stay faintly visible through the open weave

A sunscreen roller on the four-o’clock glass — the glare knocked back to a glow, the view kept as a soft silhouette rather than blacked out.

Established homes & gated pockets — two different jobs

A settled double-storey on a leafy Welgemoed street and a new build in a gated micro-estate are barely the same brief.

Welgemoed grew up around the Bellville Golf Club and is known for large, established family homes on quiet, tree-lined streets. On the older homes the job is careful and measured — deeper reveals, existing pelmets and window lines a treatment should sit neatly inside or above rather than fight. The newer double-storey builds are the opposite brief: walls of view-facing glass where heat load is the whole problem and motorisation is often unavoidable.

Welgemoed also has its gated and estate pockets — small secure enclaves like Vergezicht among them — and several of these run architectural or body-corporate guidelines. Anything fitted to the outside of the home — external venetians, roller shutters, awnings, zip screens — may need its colour and profile signed off first. We’d rather flag that at the quote than have you unpick it after it’s up.

A folding-arm awning extended on folding metal arms over a stone entertaining terrace at an elevated Welgemoed home, throwing overhead shade, with a breezy outlook over the Cape Flats and distant mountains beyond

A terrace built for a long lunch with the view — overhead awning for the midday sun, with a zip screen the honest partner for the south-easter.

What we’d still need to check on site

A guide gets you to the right product. Only a tape measure and a look at the actual wall gets you the right quote — here’s what a photo or an online tool can’t settle.

Exact reveal depth on each window. Whether a blind sits inside the reveal or has to face-fix above it comes down to millimetres — and an established Welgemoed home’s deeper reveals behave very differently to a new build’s shallow plaster returns. This decides how the blind looks and whether it clears the handles.
What’s behind the plaster. Face-brick, a timber lintel, an aluminium frame or a plasterboard bulkhead each take a different fixing. On a heavy motorised blind, or an external device on a wind-exposed slope, the substrate is a safety question, not a detail.
How exposed that specific terrace really is. The south-easter hits one corner of an elevated stand far harder than another. Which awning or zip screen — and which wind-sensor setting — depends on standing in that spot, not reading a floor plan.
Motor power routing on the big glass. For wide, high or concealed installations we need to see whether we can reach power for a wired motor or whether a rechargeable battery motor is the cleaner answer — and, on a new build, what has to happen before the ceiling closes.
Any estate or body-corporate sign-off. If you’re in a gated pocket with a committee, we’ll confirm what external colours and profiles are allowed before quoting, so nothing you order gets rejected on install.

Two honest ways forward

You’ve read the thinking — here are both routes, side by side.

Want a rough budget first? The ballpark tool below turns approximate sizes into a budget range by the next working day. Rather skip the measuring? Leave it — our consultant measures every window for free and you’ll get exact per-window pricing. Most people do the free measure; the ballpark is just there if you like a number in front of you first.