Fly control in Harat Al Sawalhah, Jeddah

Targeted, not broadcast

Product goes into cracks and runways, never sprayed across open surfaces.
Told before we start

What we will use, where it goes, and what to cover or move before we arrive.
A follow-up visit

We return after the first treatment, because what survives it does not show on the day.
Homes and businesses

Apartments and villas, and kitchens and stores that need a record of each visit.

Why they keep coming back in Harat Al Sawalhah

Sea humidity stays high year round, keeping the quarter's walls damp most months. This creates ideal breeding conditions for flies in tiny cracks and gaps between old buildings where they hide from heat and light. The method is set out in full on Fly control in detail.

The first reason

Old stone houses harbour countless tiny shelters

Ancient stone and mud buildings contain small voids in walls, foundations and roofs that provide perfect fly shelters, many unreachable and impossible to treat with standard methods.

The second reason

Sea humidity keeps drain films alive indefinitely

High sea moisture keeps the quarter's aged drain pipes permanently damp, providing a living environment for fly egg films and larval development that never fully dries out.

The third reason

Narrow lanes trap cool damp air year round

The tight alleys between buildings remain cool and humid even on hot summer days, extending fly lifespans and allowing multiple generations to develop faster than in open areas.

The character of Harat Al Sawalhah

Mixed district: shops at street level with homes above them

Mixed district means ground floor shops produce continuous food waste, and homes above are exposed to flies climbing through cracks and voids between units. Treatment must be integrated and cover foundations, passages and ground floors together.

Before treatment

Where the flies are actually coming from

A coastal historic quarter near Thuwal Corniche and Thuwal Harbour, filled with old stone and clay houses on narrow lanes following traditional Arab building patterns, with aged drainage systems not designed for modern volume.

House fly

House flies in the quarter shelter in tight gaps between old buildings where sea humidity and darkness offer ideal conditions for survival and breeding.

A metallic green fly on a wooden surface

Blow fly

Blow flies are rare but may appear seasonally near the port and preserved fish in ground floor shops, especially during summer months when waste sits longer.

Fermenting residue

Fermenting food scraps collect in ground floor shops and foundations, staying damp year round which allows breeding to continue without interruption.

The bin base

Refuse bin bases sit in tight spaces within old foundations, making cleaning difficult and allowing moisture and organic matter to accumulate constantly.

The film inside a drain

Films inside aged drain pipes are thick and perpetually wet from sea moisture, providing permanent breeding habitat for millions of developing larvae.

A metal service door on a building exterior

The service door and its mesh

Service doors and their mesh screens in the old shops are loose or broken, allowing flies to enter from streets and neighbouring gaps in the building fabric.

How we work

1
Inspect and trace the source

We trace the flies back to their medium: waste and the bin area, floor traps, drain runs and any standing organic wetness, and we identify the species from its size, its flight and where it settles.
2
Treat the breeding medium

Washing and scouring bin bases and floor traps, and a foam that treats the film inside the pipe, because removing the medium is the only thing that stops production.
3
Treat the resting surfaces

A fly spends most of its time settled on ceilings, cables, the tops of walls and the sunlit wall outside the door, and that is where the residual and the bait go, not into the air.
4
Proofing and the follow-up

We close the ways in and sort out the screens and the doors, then come back on a date matching the emergence of the pupae that were already in the medium on the first visit.

What fly control includes

A source tracing inspection

The species, the breeding medium and the route in, established before anything is applied.
Drains and floor traps

Scouring the film stuck inside the pipe and treating it with foam, which is where drain flies come from and almost nowhere else.
Residual on the resting surfaces

Ceilings, cables, the tops of walls and the sunlit wall outside the door, kept off food preparation surfaces.
Fly bait in protected positions

An attractant bait set at bin areas and service entrances, out of reach of children and pets and away from food.
Aftercare instructions

Ventilation, what to cover, and what needs a screen, an air curtain or a different waste routine.
A scheduled follow-up

A set date matching the emergence of the pupae, and re-treatment of any source still producing.

Landmarks of Harat Al Sawalhah

Harat Al Sawalhah sits near Thuwal Corniche and the Thuwal Cultural Centre, and stretches along the Jeddah Madinah Road. Work here requires partial closure of shops and homes, and is timed around shop opening hours and neighbouring government offices.

Jeddah Madinah Road
Thuwal Corniche
Thuwal Harbour
Thuwal Cultural Centre

Questions about this district

Does the humidity from the harbour and corniche make flies worse here?

Significantly. Sea humidity keeps walls and voids perpetually damp, extending fly lifecycles and accelerating breeding inside old cracks and aged pipes that never fully dry.

Do the narrow lanes make treatment harder to carry out?

Yes. Narrow lanes reduce airflow and sunlight, keeping gaps and foundations cool and wet. This requires deeper, more targeted treatment of cracks and foundations than in open streets.

Do the old stone foundations shelter fly colonies?

Yes, stone foundations contain natural voids and cracks that provide ideal fly shelter. They are difficult to access and cannot be cleaned by conventional methods.

Must we treat shops and houses together or separately?

Treating them together is essential. Flies move easily from ground floor shops to the homes above through cracks and voids. Treatment must cover shops, passages, foundations and walls at the same time.

How often per year does the quarter need treatment?

No less than every four to six weeks, especially in warmer months. The sea humidity supports fly populations year round and fresh generations emerge constantly.

Will cleaning streets and shops reduce flies without chemical treatment?

No. Cleaning helps but is not enough. Voids in walls and foundations provide shelter regardless of surface cleanliness, and targeted chemical treatment of those spaces is essential.

How much does fly control in Harat Al Sawalhah cost?

It is set after the inspection, because the price follows the type of infestation, the size of the space, how far it has spread and the number of visits it needs. Send a photo and a description on WhatsApp and we will give you an estimate before we reach Harat Al Sawalhah.