Kağıthane

Kağıthane Steel Doors: Survey, Manufacture, Installation

Kağıthane sits across both sides of a stream valley, 19 neighbourhoods holding more than 446,000 people. Down on the valley floor, Seyrantepe and Çeliktepe have filled with offices and new residential towers; up the slope, Nurtepe, Gültepe and Hamidiye keep a much older run of apartment buildings leaning into the hillside. The district has changed fast enough that two neighbouring streets can belong to entirely different decades of building stock.

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Villa door from the Kağıthane steel door models

Years in the trade: 23
Model varieties: 163
Districts served: 39
Steel bodyEreğli A1: 2 mm
Insulation core: 150 kg/m³
Lock systemKale 256G: 14
Certification: TSE EN 1627

On-site measurement
The frame opening and the swing direction are settled at your address.
Manufacture and installation
Manufacture to your measurement, removal of the old door and installation in one run.
Checked after installation
Lock and hinge adjustment are checked once the door is in.

Kağıthane Steel Doors service area

The area we travel to for measurement, manufacture and installation, summed up in numbers.

Population: 446.420TurkStat ADNKS 2025
Area: 15 km²
Neighbourhood: 19We cover all of them
Neighbouring district: 5Sarıyer, Beşiktaş, Şişli, Beyoğlu, Eyüpsultan

What fails on a steel door, and why

A door usually gets changed because something has failed: the leaf catches on the frame, the bolt misses its keep, noise from the landing carries inside. All three trace back to the installation or to the material. The rows below put the symptom beside what we do about the same item, with the values from the technical table.

What turns up on site
The frame was not built for the opening. Nothing shows in the first months. As the building settles, the leaf starts to catch on the frame and the bolt struggles to find its keep. Most winter calls that begin with "the door will not close" come down to this.
How we handle it
We measure at the address and the frame is built to that opening. Every model in the catalogue is made to measure, so we are not bedding a ready frame into the gap with foam.
What turns up on site
The door skin is thin. Knock on the leaf and it rings hollow, and after a while the area under the handle and the line of the lock flexes inward. The finish then lifts along that flex.
How we handle it
The skin is the same across all four series: 2 mm Ereğli A1 steel door skin. The thickness does not drop on the entry model; the difference stays in the finish and the design.
What turns up on site
The core is sparse, or there is none. Conversation on the landing carries into the home and the hall stays cold in winter. A hollow note instead of a solid one when the door shuts points at the core.
How we handle it
The leaf is filled with 150 kg/m³ rock wool core. The same core does the work for sound and for heat.
What turns up on site
The lock holds at one point only. With the leaf fixed at the lock line alone, force pulls the door away from the frame, and the leaf flexes even where the bolt itself holds.
How we handle it
The lock ties the leaf to the frame at several points: Kale 256G 14-point lock. It is one of the four values that do not change between series.

Kağıthane Steel Door prices

A steel door in Kağıthane starts from $480. The figures do not part on the body: all four series carry 2 mm Ereğli A1 steel, 150 kg/m³ rock wool and Kale 256G lock. The difference sits in the finish, the measurement and the hardware. A net figure follows the on-site survey, in a written quote.

Which choice brings which band
Series	Which choice	What sets the band	Price band
Eko	A first home, a rented apartment	A standard door opening measurement and a deliberately narrow finish palette keep this band at the lower end.	from $480
Plus	A home entrance, visual variety	At the same standard measurement, a wider set of finish, colour and handle options lifts the band.	from $700
Pro	An apartment building communal entrance, a workplace	The mechanism chosen for heavy opening and closing traffic, together with communal area hardware, sets this band.	from $1,160
Ultra	Made-to-measure size, one-off design	Manufacture to a made-to-measure size, with a wide finish and accessory combination, sets the top of the band.	from $1,740

The figures here are starting ranges; they move with the measurement, the surface finish and the hardware you choose. For a net price on your own door, message us on WhatsApp or ask for a free on-site survey.

Every model carries 2 mm Ereğli A1 steel door skin, 150 kg/m³ rock wool, a Kale 256G 14-point lock and TSE EN 1627 certification as standard.

Every model carries the standard warranty; on upper-tier models it runs longer, depending on the material chosen.

The on-site survey and the installation are free within Istanbul. For an address outside Istanbul, please call our customer line.

The items that set the price

Four items move the price: the door frame measurement, the series chosen, the surface finish and hardware, and the work that turns up on site. If the door opening is not a standard one, the frame is made to measure. Taking out an old frame is discussed during the survey, not added afterwards.

Door frame measurement
If the door opening is not a standard one, the frame is made to measure; material and labour follow from that.
Series and model
All four series share the same body, the same insulation and the same lock; the difference sits in the surface finish, the design and the warranty period.
Surface finish and hardware
The type of finish, the colour, the handle and any extra accessory are what move the quote most.
Work that comes up on site
If the old frame has to come out or the measurement needs correcting, it is discussed during the survey and listed as a separate item in the quote.

Kağıthane Steel Door services

Sales and replacement work for Kağıthane sit on separate pages. Beside the model and price pages there are headings for apartment entrance doors, garden entrances, hingeless pivot doors and communal area fire doors. Each page sets out its own measurement, manufacture and installation sequence, so you can go straight to the one you need.

Every model, price and replacement page. If you are not sure which one to open, the selection guide below narrows it down.

What separates the series

The four series run through the same measurement, manufacture and installation sequence. Eko is for a first home or a rented apartment, Plus for home entrances that want a wider surface finish and colour choice, Pro for apartment building communal entrances and workplaces, Ultra for made-to-measure sizes and one-off design. The table sets that difference out row by row.

A comparison of the four series we offer in Kağıthane.
Feature	Eko	Plus	Pro	Ultra
Price band	from $480	from $700	from $1,160	from $1,740
Who it suits	A first home or a rented apartment entrance	Homes after a colour and finish choice	An apartment building communal entrance or a workplace	A made-to-measure size and a one-off design
Installation	Free within Istanbul	Free within Istanbul	Free within Istanbul	Free within Istanbul
What stands out	Ready manufacture to standard door opening measurements	A wider finish and colour palette	A mechanism chosen for heavy opening and closing traffic	Manufacture open to made-to-measure requests

The price is settled at the on-site survey, by the measurement, the model and the hardware chosen.

Every model carries 2 mm Ereğli A1 steel door skin, 150 kg/m³ rock wool, a Kale 256G 14-point lock and TSE EN 1627 certification as standard.

Every model carries the standard warranty; on upper-tier models it runs longer, depending on the material chosen.

The on-site survey and the installation are free within Istanbul. For an address outside Istanbul, please call our customer line.

Technical specification

All four series stand on the same base: 2 mm Ereğli A1 steel door skin, 150 kg/m³ rock wool core, a Kale 256G 14-point lock and TSE EN 1627, the standard for resistance to forced entry. They do not part company on those four values; the difference stays in the surface finish, the design and the warranty period.

Technical values that are standard across all series in Kağıthane.
Item	Value	What it means
Steel body	2 mm Ereğli A1 steel	The door skin is the same thickness and the same grade across every series.
Insulation core	150 kg/m³ rock wool	Dense rock wool for heat and sound insulation.
Lock system	Kale 256G, 14-point	Multi-point locking is standard on every model.
Certification	TSE EN 1627	The standard for resistance to forced entry.

What the service covers

The on-site survey and the installation are free within Istanbul, and Kağıthane falls inside that area. For an address outside Istanbul our customer line explains the terms. Every model carries the standard warranty, longer in the upper tier depending on the material chosen. The quote is written after the measurement is taken.

What the service covers in Kağıthane.
Item	Cover
Survey and installation within Istanbul	The on-site survey and the installation are free within Istanbul.
Outside Istanbul	For an address outside Istanbul, our customer line explains the survey and installation terms on the phone.
Service area	Istanbul · European and Anatolian Side
Warranty	Every model carries a warranty as standard. On upper-tier models an extended warranty applies, depending on the material chosen.
Quote	Written up once the measurement has been taken at your address; an item that was not talked through at the survey is not added to it later.
Measurement appointment	Tell us the address and a time that suits you, and the door opening is measured there.

The valley floor and the slope

Whether an address sits on the valley floor or up the hillside decides most of how the job is planned in Kağıthane.

Management rules in the new towers: The newer developments around Seyrantepe and Çeliktepe run lift use and working hours through the building management. We confirm the appointment with them before the team is booked, rather than turning up and finding the lift unavailable.
Steep, narrow streets on the hillside: A vehicle often cannot reach the entrance directly in Nurtepe, Gültepe and Hamidiye. We measure the carrying distance from wherever it can stop during the survey.
Frames worn out by age on the slope: Older stock up the hillside can have a frame that has tired from years of use. We check it on site before fitting a new leaf rather than assuming it will take the weight.

The measurement and the decision happen at the address; the survey is free.

Free survey and installation within Istanbul
The on-site survey and the installation are free within Istanbul.
Written warranty
Every model carries a warranty as standard. On upper-tier models an extended warranty applies, depending on the material chosen.
We re-measure on site before fitting
We do not simply take the measurement you send. Before fitting, our team comes to the address and measures the door opening again; the risk of a wrong measurement sits with us, not with you.
The net price comes in a written quote
We do not quote a net price over the phone. After the survey, what will be done and what it costs is set out item by item in a written quote.

Photographs from the job

These were taken on site once the door was fitted, not in a studio: the floor is unfinished, the protective film is still on the threshold and nothing has been tidied. You can see how the frame meets the wall and where the architrave ends. No place name goes under them, because the address was never recorded.

How to measure the door opening

A tape measure is all the door opening needs. Width from one inner face of the frame across to the other, height from the top of the threshold to the inner face of the frame head, then the wall thickness. Send those three figures and we can say over the phone which model fits your opening.

Four measurements, in order

Measure inside the door frame at three heights
Open the leaf fully, rest the tape against one inner face of the frame and read it off at the opposite inner face. Repeat near the top, at the middle and close to the floor; if the three differ, write down the smallest, because the leaf has to pass through that gap. The height runs from the top of the threshold to the inner face of the frame head.
Keep the architrave edge separate
The architrave is the frame that covers the joint between the door frame and the wall. Measure it from one outer edge to the other. That figure comes out larger than the one inside the frame: in the catalogue, models with an inside measurement of 90 x 200 cm have an architrave edge between 104 x 208 cm and 108 x 210 cm, and the difference is the width of the architrave itself.
Write down the wall thickness
On the side face of the opening, measure from the inner wall surface to the outer wall surface, and leave the architraves out of that figure. The depth of the frame is built to it, so we need it as much as the width and the height.
Tell us how the floor will finish
If parquet or ceramic tile is going in under the threshold, the measurement has to allow for the finished floor. A covering laid afterwards leaves the door catching along the bottom. Where the floor is not ready, we work out the clearance during the survey.

What to send us

Width and height inside the door frame, in centimetres.
Wall thickness, in centimetres.
Which way the door opens: hinges on the right or on the left.
A photograph of the opening if you have one, with the corner of the frame in shot.

Do not round the figures. Write the half centimetre too, because the frame is built to it.

All 163 models in the catalogue are made to measure. Of the 122 models with a listed measurement, 119 carry the same inside figure, so 90 x 200 cm is a common opening; outside it the model stays and the frame changes.

With the figures to hand, answer the first question in the selection guide

Kağıthane Steel Door selection guide

If you are unsure where to begin, start from the question: an apartment door, an apartment entrance door, or a house with a garden? If the door still stands but the lock, hinge or door frame is giving trouble, the replacement pages are right. For a new door, read the models first and prices after.

These four questions come up on the phone more than any others, before the on-site survey is even booked.

Does my door need replacing, or is a repair enough?: If the leaf and the door frame are sound, the trouble usually sits in the lock, the cylinder, a hinge or the strike plate, and those are changed on site. Once the frame has pulled away from the wall, or the leaf has bowed, a repair only buys time. We settle which it is at your address.
Is an apartment door the same thing as an apartment entrance door?: No. An apartment entrance door opens and shuts hundreds of times a day and works alongside a door closer and entry automation. On an apartment door what matters most is sound and heat insulation, together with the lock. The two are separate products and sit in separate price bands.
Can I take the measurement myself and send it to you?: It helps us picture the job, but it cannot stand in for the manufacturing measurement. The frame opening shifts with the plaster on the wall, the threshold level and the direction the door swings, and a wrong figure only shows itself on installation day. The on-site survey is ours to do.
How do I know which series to choose?: Where the door will stand decides the series. The table below maps the situations we meet most often to the page that covers each one.

Where to start, by situation

How each situation maps to what we check on site and the page to continue with in Kağıthane.
Situation	Checked on site	Continue here
The door opens but the lock turns stiffly	Cylinder, strike plate and latch alignment	Steel Door Replacement
The door catches and the frame has shifted	Hinge alignment and frame fixings	Steel Door Replacement
An apartment door is being replaced outright	Frame opening, swing direction, surface finish	Steel Door Models
The apartment entrance door is being renewed	Daily traffic, door closer, entry intercom	Apartment Entrance Door
A house with a garden, or a villa entrance	Double leaf layout and exposure to the weather	Villa Door
A wide, hingeless entrance is wanted	Floor pivot mechanism and leaf weight	Pivot Door
An escape route or communal area door	Regulatory requirement and the certification process	Fire Door
The budget needs settling first	How measurement, model and hardware move the price	Steel Door Prices

How the doors look

Product photographs; the colour labels come from the image's own reading.

Neighbourhoods

We cover the whole of Kağıthane district and do not split it by neighbourhood. The list below names every neighbourhood in Kağıthane; we travel to all of them on the same terms. At the measurement appointment the team comes to your address and measures the door opening there; the model decision is made during that same visit.

Search neighbourhoods

Kağıthane

Kağıthane Steel Doors: frequently asked

Which neighbourhoods of Kağıthane do you cover?

All 19: Seyrantepe, Çeliktepe and Yeşilce on the valley floor through to Nurtepe, Gültepe, Hamidiye and Çağlayan on the slope, plus Merkez, Ortabayır and Telsizler. The address decides the appointment, not which side of the valley it is on.

Do the new residential towers need management permission before installation?

Most of them, yes. Lift use and working hours around Seyrantepe and Çeliktepe tend to need the management's agreement, so we confirm the appointment with them in advance and the team does not arrive to find the lift locked.

How does a delivery reach an entrance on the hillside streets?

Wherever a vehicle can get, and whatever cannot be driven in is carried by hand. Streets around Nurtepe and Gültepe are steep and narrow, so we measure the distance and plan the installation team around it during the survey.

Does an older apartment on the slope need its frame replaced as well?

Not always. Older stock in that part of the district can have a tired frame, and we check it on site; if it is sound, we keep it, and if not, we recommend replacing it alongside the new leaf.

I own a flat here but am not based in Istanbul day to day. Can the measurement happen without me there?

Yes. Send photographs of the current entrance on WhatsApp and we arrange the survey with whoever has access, a relative, a tenant or a caretaker. The measurement and the model come back to you in writing, in English if you prefer, before anything goes into manufacture.

Do you fit doors for office floors in Kağıthane?

Yes. Office density has grown on the valley floor, and an office entrance opens far more often through the day than a household door, so we specify the hinge and lock for that traffic rather than treating it like a flat entrance.

Is the on-site survey free in Kağıthane?

Yes, anywhere inside Istanbul, Kağıthane included.

Other pages in this area

The same service in the neighbouring district, and the district's other service pages.

Kağıthane Steel Doors contact

Call us, or leave the form for a measurement appointment.

Kağıthane

The marker is the approximate centre point of Kağıthane district, not a depot or shop address.

The map does not load until you click it; nothing goes out to another server while the page opens.

Open the map on OpenStreetMap

Phone: 0532 292 23 76
WhatsApp: 0532 292 23 76
Neighbourhoods we cover: Çağlayan · Çeliktepe · Emniyet Evleri · Gültepe · Gürsel · Hamidiye · Harmantepe · Hürriyet · Mehmet Akif Ersoy · Merkez · Nurtepe · Ortabayır · Seyrantepe · Sultan Selim · Şirintepe · Talatpaşa · Telsizler · Yahya Kemal · Yeşilce

Measurement appointment

Write your address and a time that suits you, and we will measure the door opening on site.

Phone

We ring you back on this number to arrange the measurement appointment.

District

Add these if you like

None of these are required. Leave them blank and we go through them at the on-site survey.

Full name

You can leave this blank. If you fill it in we will greet you by name.

Door type

Leave it blank if you are not sure; we decide together at the survey.

Anything you want to add

Tell us the floor, whether there is a lift, and any model you already have in mind.

About your data: What you write in the form (full name, phone, district, door type, anything you want to add) is used to arrange the measurement appointment and the quote. The record stays on our own server and is shared with nobody. Ring 0532 292 23 76 if you want it deleted.

Book a survey0532 292 23 76

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Kağıthane Steel Doors: Survey, Manufacture, Installation

Kağıthane Steel Doors service area

What fails on a steel door, and why

Kağıthane Steel Door prices

The items that set the price

Door frame measurement

Series and model

Surface finish and hardware

Work that comes up on site

Kağıthane Steel Door services

Steel Door Models

Steel Door Prices

Apartment Entrance Door

Villa Door

Pivot Door

Fire Door

Steel Door Replacement

What separates the series

Technical specification

What the service covers

The valley floor and the slope

Photographs from the job

How to measure the door opening

Four measurements, in order

Measure inside the door frame at three heights

Keep the architrave edge separate

Write down the wall thickness

Tell us how the floor will finish

What to send us

Kağıthane Steel Door selection guide

Tick the three rows

Price band

Price band

Price band

Price band

Models to look at in this group

Models to look at in this group

Models to look at in this group

Models to look at in this group

Models to look at in this group

Where to start, by situation

How the doors look

Neighbourhoods

Kağıthane

Kağıthane Steel Doors: frequently asked

Other pages in this area

Kağıthane Steel Doors contact

Measurement appointment