Orbis House 5 Mansfield Street London W1G 9NG Data via plota.co.uk
Proposal
Provision of guarding system to provide safe access for maintenance across the roof; alteration at south elevations omitting window SFW11 from the new WC, remove the existing RWP from the internal courtyard corner, removal of the existing plastic section of a redundant vent pipe at lower level and retain original lead; new cast iron rain water pipes at west elevation; and internal layout alterations at basement, ground, 2nd, 3rd floors. (Linked with 26/04873/NMA) Data via plota.co.uk
Application progress
Approved on 9 Sept 2026 · Delegated Decision · Last checked 10 Sept 2026
Documents 9
Decision & officer reports 2
Consultation & comments 3
Associated applications 4
- Provision of guarding system to provide safe access for maintenance across the roof; alteration at south elevations omitting…
Conditions 6 discharged
Site constraints 9
Show the other 64 with distances
- 11 mNumber 3 and Garden Screen ColonnadeGrade II
- 15 m5 and 6, Mansfield Mews W1Grade II
- 28 m82, NEW CAVENDISH STREET W1 (See details for further address information)Grade II*
- 29 m7 and 9, Mansfield Mews W1Grade II
- 29 m46, Harley Street W1Grade II
- 29 m44, Harley Street W1Grade II
- 30 m48, Harley Street W1Grade II
- 30 mNo 2 and Attached Railings No 4 and Attached RailingsGrade II
- 32 m50, Harley Street W1Grade II
- 40 m8, Queen Anne Street W1Grade II
- 41 m54, Harley Street W1Grade II
- 46 m15, Mansfield Street W1Grade II
- 52 m76A, NEW CAVENDISH STREET (See details for further address information)Grade II
- 56 m10, Duchess Street W1Grade II
- 57 m51, Harley Street W1Grade II
- 58 m49, Harley Street W1Grade II
- 60 mQueen's CollegeGrade II
- 64 m59, Harley Street W1Grade II
- 64 mChandos HouseGrade I
- 69 m17, Duchess Mews W1Grade II
- 70 m19, Duchess Mews W1Grade II
- 71 m63, Harley StreetGrade II
- 73 m21, Duchess Mews W1Grade II
- 75 m62, Harley Street W1Grade II
- 75 m61 and 63, New Cavendish Street W1Grade II*
- 76 m65, Harley Street W1Grade II
- 77 m17-21, Portland Place W1Grade II*
- 78 m39, Harley Street W1Grade II
- 83 m37, Harley Street W1Grade II*
- 84 m9-13, Queen Anne Street W1Grade II
- 86 m64 and 66, Harley Street W1Grade II
- 95 m67, Harley Street W1Grade II
- 95 m27-35 Portland PlaceGrade II*
- 99 m2-6, Chandos Street W1Grade II
- 102 m69 and 71, Harley Street W1Grade II*
- 102 m24, Queen Anne Street W1Grade II
- 109 m26, Queen Anne Street W1Grade II
- 110 mThird Floor And Fourth Floor Flat 82 Harley Street London W1G 7HB
- 113 m28, Queen Anne Street W1Grade II
- 117 m73 Harley StreetGrade II
- 119 m24, Wimpole Street W1Grade II
- 120 m18-20, Wimpole Street W1Grade II
- 120 m29, Harley StreetGrade II
- 121 m23, Wimpole Street W1Grade II
- 122 mStatue of Quintin Hogg (in Centre of Road Opposite North End of Broadcasting House)Grade II
- 123 mThe JackalopeGrade II
- 125 m75, Harley Street W1Grade II*
- 130 m34, Queen Anne Street W1Grade II
- 132 m77, Harley Street W1Grade II*
- 132 m29, Queen Anne Street W1Grade II
- 133 m25, Harley Street W1Grade II
- 136 m28, 29 and 29a, Wimpole Street W1Grade II
- 136 mBroadcasting HouseGrade II*
- 138 m26-30, Portland Place W1Grade II*
- 140 m31, Queen Anne Street W1Grade II
- 141 m78, Harley StreetGrade II*
- 142 m79 and 81, Harley Street W1Grade II
- 143 m17, Wimpole Street W1Grade II
- 144 m30, 30a, 30b and 31, Wimpole Street W1Grade II
- 146 m32, Portland Place W1Grade II
- 146 m6-14, Harley Street W1Grade II
- 147 m38, Queen Anne Street W1Grade II
- 148 m33, Queen Anne Street W1Grade II
- 148 m21, Harley Street W1Grade II
Checked on 2 November 2026. Historic England, the Environment Agency, Natural England, the Planning Inspectorate, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.
Building
From the energy performance certificate lodged in March 2023, the latest held for this property. The building may have changed since. View the certificate
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Important details
- Council
- Westminster
- Application type
- Listed Building Consent Application
- Postcode
- W1G 9NG
- Received
- 21 Jul 2026
- Validated
- 21 Jul 2026
- Ward
- Marylebone
- Case officer
- Show
- Target decision
- 15 Sept 2026
- Decision
- Application Permitted
- Decision date
- 9 Sept 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- Johnston Cave Associates
Public comments
No public comments yet.
Last counted 10 Sept 2026
Consultation & key dates
- Alt. reference
- PP-15096466
- Planning Portal ref
- PP-15096466
- Comments by
- 26 Aug 2026
- Site or press notice
- 5 Aug 2026
- Env. assessment
- No
Historical activity at this location
33 previous applications on record - archival context, not part of the live application.
Previous applications at this address
Nearby activity
Westminster is slower than most councils at deciding householder applications, ranking #258 out of 296. Only 28% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Westminster is also one of the strictest councils - it refuses more householder applications than almost any other, with only 81% approved vs 90% nationally.
Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.
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Orbis House 5 Mansfield Street London W1G 9NG
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Council archive
Orbis House 5 Mansfield Street London W1G 9NG
Reinstatement of demolished historic stone cantilevered staircase; new courtyard floor; window and door alterations; repairs to roof and external brick elevations; and repair/refurbishment of interiors alongside replacement of services throughout. (Linked with 24/01896/LBC)
- Received
- 22 Mar 2024
- Outcome
- Pending