Portus IPHH4 Hamburg (Wendenstraße 285)

Name: Portus IPHH4 Hamburg (Wendenstraße 285)
Address: DE

Permitted

Germany · 1 project · Last reported 2026-07-29

Summary

The Bezirksamt Hamburg-Mitte (Fachamt Bauprüfung) granted building permit M-BP-2262-2025 on 20 July 2026 under section 72 HBauO for the new build of two data centres with generator platforms and eight car parking spaces in Gemarkung Hamm Marsch, on site plan DE-IPHH4-BA-E0-INV-LA-M-52000; the Transparenzportal Hamburg published it on 29 July 2026, the observation date used here. The permit is in force: it lapses only if execution does not begin within three years, and no suspension, withdrawal or appeal was found. A suspensive condition allows the corresponding construction works to begin only after a supplementary decision on structural stability, and tree felling needs prior species-protection clearance; neither is reported as fulfilled, so no construction stage is asserted. evidence

Freie und Hansestadt Hamburg, Bezirksamt Hamburg-Mitte (Fachamt Bauprüfung) · published 2026-07-29

Location

The interactive map needs JavaScript. Display anchor: 53.55114, 10.04007 (Point locator, WGS 84).

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Project locator; building footprints are not mapped.

Projects (1)

Portus IPHH4 — two data-centre buildings (Baugenehmigung M-BP-2262-2025)

Permitted last observed as of 2026-07-29 · Development consent

The Transparenzportal record of the building permit lists the publishing body Bezirksamt Hamburg-Mitte - Fachamt Bauprüfung, publication date 29.07.2026, keywords Baugenehmigung and Bezirk Hamburg-Mitte, information category Baugenehmigungen, temporal reference from 20.07.2026 with no end date, licence Datenlizenz Deutschland Namensnennung 2.0, and one PDF resource (Bescheid_Transparenzportal), which is the permit captured separately. evidence

Freie und Hansestadt Hamburg, Transparenzportal Hamburg · published 2026-07-29

Preliminary decision GZ M-BP-864-2024 dated 23 May 2025 under section 63 HBauO (application received 3 June 2024) on the new build of two data centres with generator towers and offices, Baublock 118-002, Flurstück 949 in Gemarkung Hamm Marsch. Its decision attachments include the cadastral extract for Flurstück 949, Gemarkung Hamm Marsch, and drawings numbered DE-IPHH4-... (perspectives, short building and operating descriptions, regular third-floor plan, open-space and spacing plans, sections). It answers that an attic height of +26.90 m (matching the building at Wendenstraße 255 that characterises the surroundings) and two free-standing chimneys of +39.00 m are approvable, with a facade workshop required before the building application. The preliminary decision is valid for two years. evidence

Freie und Hansestadt Hamburg, Bezirksamt Hamburg-Mitte (Fachamt Bauprüfung) · published 2026-03-27

The Transparenzportal record of the preliminary decision lists publishing body Bezirksamt Mitte, publication date 27.03.2026, description 'Vorbescheid nach § 63 HBauO, Neubau von zwei Rechenzentren mit Generatortürmen und Büroräume', licence Creative Commons CCZero and one PDF resource (the preliminary decision captured separately). evidence

Freie und Hansestadt Hamburg, Transparenzportal Hamburg · published 2026-03-27

The operator's Hamburg page states that at the end of 2023 an additional plot of land was acquired next to the existing data center to expand the site, that the new data center is now in the design phase and will add 12.8 MW of IT capacity, that the campus has 2.95 MW critical IT load today, and lists data centers HH2/R1, HH2/R2, HH3/R1 and HH4. evidence

Portus Data Centers · publication date not stated

Companies

Operator: Portus Data Centers (IPHH Internet Port Hamburg GmbH) (intended) evidence

Source and location review

Status source

Bezirksamt Hamburg-Mitte, Fachamt Bauprüfung: Baugenehmigung M-BP-2262-2025 (20 July 2026), Neubau von zwei Rechenzentren mit Generatorbühnen, sowie Herstellen von 8 KFZ-Stellplätzen (Transparenzportal Hamburg) evidence row
Freie und Hansestadt Hamburg, Bezirksamt Hamburg-Mitte (Fachamt Bauprüfung) · published 2026-07-29 · Government record

Locator

Project locator · Compiled location reference · official_permit_named_cadastral_parcel_centroid evidence

Source checks

Not reviewed against imagery not_reviewed
No imagery review is recorded for this project. Its status rests only on the dated authoritative source. · no independent imagery verification

Status age at review: 90 days before the data update on 2026-10-27

Location details

Coordinates: 53.55114, 10.04007
Geometry licence: Source attribution required (WFS capabilities: Quellenvermerk; no access constraints)
Use scope: Project locator
Scope class: official_permit_named_cadastral_parcel_centroid
Authority: Compiled location reference
Source entity: Campus
Method: hamburg_alkis_vereinfacht_wfs_flurstueck_020109_00949_polygon_centroid_epsg25832_pyproj_to_wgs84
Derivation: coordinate_transform
Precision scope: Centroid of cadastral parcel Hamm Marsch 949 (Wendenstraße 285, 2,207 m2, about 49 by 68 m), the IPHH4 plot named in the preliminary decision that the building permit cites. It locates the IPHH4 project plot, not either building footprint or a works extent, and not the operator's existing IPHH2 or IPHH3 facilities or its Wendenstraße 408 office address (about 0.56 km to the east-south-east), which the selected sources do not tie to this parcel.
Horizontal uncertainty: Not reported
ALKIS publishes no positional accuracy for the parcel boundary; the centroid is a derived interior point of a parcel about 49 by 68 m (vertices up to 36 m away), and the building positions within it are not published. The permit's tree list (trees 445-01 to 445-06) suggests the works may also reach adjoining parcel 445 (1,462 m2, east of Wendenstraße 285); including it would move the plot centroid about 16 m east.
Geometry evidence: 7876cc9a

A locator places the site on the map. It is not a building footprint, a construction extent or a surveyed boundary unless the use scope is an official boundary, and even then it is a parcel or permit boundary.

Evidence

Sources are linked, not redistributed; each keeps its own terms. An archived copy is a lookup for the Wayback Machine capture nearest the retrieval date and may be unavailable or differ from what was reviewed. Each hash states what it covers; imported factual records are not publisher-page captures.

Evidence for Portus IPHH4 Hamburg (Wendenstraße 285)
Title	Publisher	Roles	Published	Retrieved	Licence	Attribution	Content hash (SHA-256)
ALKIS vereinfacht WFS (LGV Hamburg): Flurstück 020109___00949, Gemarkung Hamm Marsch, Flurstück 949 Archived copy	Freie und Hansestadt Hamburg, Landesbetrieb Geoinformation und Vermessung (LGV) Government record	Geometry	not stated	2026-10-22	Source attribution required (WFS capabilities: Quellenvermerk; no access constraints)	Freie und Hansestadt Hamburg, Landesbetrieb Geoinformation und Vermessung (LGV)	`24873925284f40984f33c8a1238f461bbd291785028295d05372021f7d4a2447` Retained source material; see source provenance
Bezirksamt Hamburg-Mitte, Fachamt Bauprüfung: Baugenehmigung M-BP-2262-2025 (20 July 2026), Neubau von zwei Rechenzentren mit Generatorbühnen, sowie Herstellen von 8 KFZ-Stellplätzen (Transparenzportal Hamburg) Archived copy	Freie und Hansestadt Hamburg, Bezirksamt Hamburg-Mitte (Fachamt Bauprüfung) Government record	Development consent	2026-07-29	2026-10-22	dl-de/by-2-0	Bezirksamt Hamburg-Mitte - Fachamt Bauprüfung; Transparenzportal Hamburg	`4f3289105d463cfa4b97114656733ca5c4e190ae087ad423321c388e099003d1` Retained source material; see source provenance
Bezirksamt Hamburg-Mitte, Fachamt Bauprüfung: Vorbescheid M-BP-864-2024 (23 May 2025), Neubau von zwei Rechenzentren mit Generatortürmen und Büroräume (Transparenzportal Hamburg) Archived copy	Freie und Hansestadt Hamburg, Bezirksamt Hamburg-Mitte (Fachamt Bauprüfung) Government record	Site and project identity	2026-03-27	2026-10-22	CC0-1.0	Freie und Hansestadt Hamburg; Transparenzportal Hamburg	`1c11ec5050b67de6675e0db68a298e7b30094bdab0f17273d4de781aec94c70b` Retained source material; see source provenance
Portus Data Centers: Hamburg location page Archived copy	Portus Data Centers Company disclosure	Site and project identity	not stated	2026-10-22	all-rights-reserved	Portus Data Centers	`16b7a1826f84800a797a80f5adf6333478a1545ba4f687a723a735f7aeae251f` Retained source material; see source provenance
Portus Data Centers: Portus Data Centers announces planned delivery of new Hamburg site (IPHH4) Archived copy	Portus Data Centers Company disclosure	Operator claim	2024-09-19	2026-10-22	all-rights-reserved	Portus Data Centers	`d0d1e3e6d3f4786d15a556f8055dc3508aa3863da99be67f763f36f7c3e69681` Retained source material; see source provenance
Transparenzportal Hamburg: dataset 'Neubau von zwei Rechenzentren mit Generatorbühnen, sowie Herstellen von 8 KFZ-Stellplätzen' (Baugenehmigungen) Archived copy	Freie und Hansestadt Hamburg, Transparenzportal Hamburg Government record	Site and project identity	2026-07-29	2026-10-22	dl-de/by-2-0	Bezirksamt Hamburg-Mitte - Fachamt Bauprüfung; Transparenzportal Hamburg	`5d3271aeef38907f13b9709711cf7d422b6432d086f3d10dcb06559fb443e541` Retained source material; see source provenance
Transparenzportal Hamburg: dataset 'Neubau von zwei Rechenzentren mit Generatortürmen und Büroräume' (Vorbescheid nach § 63 HBauO) Archived copy	Freie und Hansestadt Hamburg, Transparenzportal Hamburg Government record	Site and project identity	2026-03-27	2026-10-22	CC0-1.0	Freie und Hansestadt Hamburg; Transparenzportal Hamburg	`3e4253865d613f13d496e8065f039eb80e651708c4a25e637d23e5e44b360683` Retained source material; see source provenance

Cite this site

Kyars, K. (2026). Portus IPHH4 Hamburg (Wendenstraße 285) [site vcc-site-d71a73c55b9d567c70ca]. In Data Center Atlas (2026-10-27) [Data set]. https://kiankyars.github.io/datacenter-atlas/sites/vcc-site-d71a73c55b9d567c70ca/

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