Planning application
Site Of Former Mercure Hotel Tylers Way Watford Hertfordshire
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Redevelopment and clearance of site to deliver data centre campus consisting of (a) free standing data centre buildings (b) energy, power, and water infrastructure (c) site access and internal roads (d) site security arrangements (e) hard and soft, green and blue, landscaping and infrastructure (f) other ancillary and auxiliary forms of development.
As published by the council, reference 25/1781/FUL
Application record
- Reference
- 25/1781/FUL
- Type
- Full Planning Permission
- Status
- Awaiting decision
- Received
- 15 Dec 2025
- Validated
- 19 Dec 2025
- Ward
- Bushey St James
- Parish
- No Parish
Timeline
Dates from the published record
-
15 Dec 2025
Received by Hertsmere
-
19 Dec 2025
Validated
Checked as complete and ready for consideration.
-
24 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 13 February 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Hertsmere took a median of 58 days over the applications it decided in the last year.
Who's behind it
Company information only, from the register and Companies House
Savills Limited Agent, registered in London
Active · incorporated 1987 · London
2,107 applications on PlanIndex · across 183 councils · 93% granted
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
170 documents on file for this application
- Bng assessment
- Planning statement addendum
- Hmwt comment
- Amended ecological impact assessment
- Response to ecology comments
- Radlett society & green belt association comments
- Letchmore heath village trust latest objection
- Ea response
- Ecology
- Illustrative sketch landscape sections
- Illustrative sketch landscape sections sheet 2
- Landscape masterplan
- Urban greening factor
- Proposed sw overall site plan
- Proposed sw overall site plan - level 00
- Fence overall layout
- Design and access statement
- Response note to ea
- Lead local flood authority response
- Elstree aerodrome comments
- Climate change & sustainability comments
- Rsgba further response
- A05 comment
- Pgra comment (objection) submitted online
- Elstree aerodrome response
- Note for hcc highways - s.106 obligations
- Design development note - energy and sustainability
- Agent letter to gate herts
- Agent response to public comments
- Alternative sites assessment
- Data centre needs assessment and socio-economic impact assessment
- Consultee comment submitted online
- Gate herts comments
- Place services landscape response
- British horse society response
- Gate comment (objection) submitted online
- Letchmore heath village trust comments
- The gardens trust response
- Patchett's green residents' association comment (objection) submitted online
- Radlett society & green belt association comment
- Climate change response
- National highways response
- Highways response
- Affinity water response
- Thames water response
- Consultee comment submitted online
- Met office comment
- Cadent gas updated response
- Cadent gas specification for safe working
- Arboriculture response
- Environment agency response
- Natural england response
- Psecc response
- Active travel england response
- Arch response
- Statement of community involvement
- Cadent gas holding objection
- Cadent gas plan
- Cadent gas response
- Cadent gas specification for safe working
- Uk power networks
- Fire and rescue (hydrants) response
- Planning statement
- Environmental statement cover and contents
- Environmental statement table of drawings
- Environmental statement table of professional competencies
- Environmental statement eia scoping request
- Environmental statement air quality appendices
- Environmental statement lvia methodology
- Environmental statement landscape masterplan
- Environmental statement introduction
- Environmental statement site and local context
- Environmental statement proposed development
- Environmental statement consultation, alternatives and design evolution
- Environmental statement approach to assessment
- Environmental statement air quality
- Environmental statement noise and vibration incl. appendices
- Environmental statement figures
- Environmental statement figures (low res)
- Environmental statement landscape and visual effects
- Environmental statement wirelines (low res)
- Environmental statement ztv methodology
- Environmental statement climate change
- Environmental statement summary of mitigation, residual and interaction effects
- Environmental statement non-technical summary
- Heritage statement
- Ztv plan extracted
- Applicationformredacted
- Site location plan
- Hp1 - ground floor plan
- Heritage statement - hfp-bwe-xx-xx-rp-y-980008 p02
- Arboricultural report hfp-bwe-xx-xx-rp-y-980010 p02
- Archaeological assessment hfp-bwe-xx-xx-rp-y-980010 p03
- Biodiversity net gain assessment hfp-bwe-xx-xx-rp-y-980006 p02
- Biodiversity net gain metric
- Daylight & sunlight report hfp-bwe-xx-xx-rp-y-980004 p02
- Design and access statement nwa-0576-hfp-xx-rp-a-000001 rev p01 11/12/2025
- Ecological impact assessment hfp-bwe-xx-xx-rp-yf-980001 p03
- Energy & sustainability statement hfp-bwe-xx-xx-rp-z-000001 p02
- Fire strategy report hfp-bwe-xx-xx-rp-yf-980001 p03
- Flood risk assessment and drainage strategy hfp-bwe-xx-xx-rp-y-98000 p02
- Instrusive geoenvironmental and geotechnical site assessment hfp-bwe-xx-xx-rp-u-
- Desk based geoenvironmental and geotechnical site investigation hfp-bwe-xx-xx-rp
- Supplementary geoenvironmental investigation hfp-bwe-xx-xx-rp-u-980001 p02
- Landscape management and maintenance plan 1679-009a dec 2025
- Landscape masterplan
- Illustrative sketch landscape sections sheet 2
- Illustrative sketch landscape sections
- External lighting strategy hfp-bwe-xx-xx-rp-e-980001 p02
- Transport assessment hfp-bwe-xx-xx-rp-y-980002 p02
- Travel plan hfp-bwe-xx-xx-rp-y-980009 p02
- Utilities statement hfp-bwe-xx-xx-rp-mep-980001 p02
- Whole life-cycle assessment hfp-bwe-xx-xx-rp-z-000002 p02
- Hp1 - facade bay study
- Hp1- building sections
- Hp1- building elevations
- Hp1 - roof plan
- Hp1 - roof gantry plan
- Hp1- first to fourth floor plan
- Hp1- ground floor plan
- Hp2 - building sections
- Hp2 - building elevations
- Hp2 - roof plan
- Hp2 - roof gantry plan
- Hp2 - first to fourth floor plan
- Hp2 - ground floor plan
- Hp3 - building sections
- Hp3 - building elevations
- Hp3 -roof plan
- Hp3 -roof gantry level
- Hp3 - first to fourth floor plan
- Hp3 - ground floor plan
- Substation 1 - sections
- Substation 1 - elevations
- Substation 1 - floor plans
- Substation 1 - site context plan - ground floor
- Hp4 - ancillary facade bay study ? horizontal metal louvre system
- Hp4 - ancillary facade bay study ? profiled perforated metal cladding
- Hp4 - building sections
- Hp4 - building elevations
- Hp4 - roof plan
- Hp4 - roof gantry plan
- Hp4 - fourth floor plan
- Hp4 - third floor plan
- Hp4 - second floor plan
- Hp4 - first floor plan
- Hp4 - ground floor plan
- Substation 2 - sections
- Substation 2 - elevations
- Substation 2 - floor plans
- Substation 2 - site context plan - ground floor
- Vrc ? facade bay study
- Vrc ? plans, elevations and sections bulding
- Site context sections
- Visualisation 8
- Visualisation 7
- Visualisation 6
- Visualisation 5
- Visualisation 4
- Visualisation 3
- Visualisation 2
- Visualisation 1
- Sw waste mangement overall layout
- Sw parking provision
- Sw fence overall layout
- Site elevations
- Existing site location plan enlarged
- Sw overall site plan - level 00
- Sw overall site plan
- Site location plan
Trade members open them from here.
Open the documentsWhat happens while it is decided
This application is with Hertsmere for determination, against a statutory target of eight weeks. Over the last year Hertsmere decided full applications in a median of 90 days. More in our guide to how long planning decisions take.
About full applications
A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.
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The Mecure Hotel And Land To South East Tylers Way Watford Hertfordshire WD25 8JH
Demolition and redevelopment to comprise B8 (Storage and Distribution) Use of up to 30,000 sqm gross external, including ancillary offices. In addition to the above the Development will include car parking; creation of servicing areas and provision of associated services, including waste, refuse, cycle storage, lighting and sub station; and for the laying out of the buildings; routes and open spaces within the development; and all associated works and operations including but not limited to: demolition; earthworks; provision of attenuation infrastructure, engineering operations. (Outline Application with Access, Appearance, Layout, Scale and Landscaping Matters Reserved).
Granted Outline Demolition 107 docs -
The Mercure Hotel And Land To South East Tylers Way Watford Hertfordshire WD25 8JH
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Demolition of the existing buildings at the Former Mercure Hotel (Application for Prior Notification).
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National Animal Welfare Trust Tylers Way Watford Hertfordshire WD25 8WT
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Variation of conditions 2 (plans - FUL), 4 (boundary treatment - FUL), 5 (drainage - FUL), 6 and 7 (surface water drainage - FUL), 10 (solar panels - FUL), 30 (BNG plan), 37 (Dust 1), 39 (Demolition & Construction Environmental Management Plan), 40 (Site waste Management Plan), 43 (Construction Management Plan), 46 (cycle parking), 47 (tree protection), 48 (Landscape Management Plan), 49 (boundary treatment), 50 (soft landscaping), 51 (hard landscaping), 53 (Whole Life Carbon Assessment) and removal of condition 38 (Dust 2) to allow for minor revisions to the development, and specifically a modestly revised building layout of the redeveloped NAWT site as approved following grant of planning permission 23/1731/FUL.
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