Planning application
2015/3107/L
42 Mornington Terrace London NW1 7RT
Proposal
Replacement of existing window and door and replacement of external staircase, at rear ground floor level.
As published by the council, reference 2015/3107/L
Timeline
Dates from the published record
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8 Sep 2015
Decision issued: Granted
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22 Jul 2026
Added to PlanIndex
What a grant of permission means
The process from here
Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.
Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.
About heritage and listed buildings applications
How this application type works
Heritage applications concern listed buildings and conservation areas. Listed building consent is needed for works, inside or out, that affect the special interest of a listed building, and carrying out such works without consent is a criminal offence. The council weighs harm to the heritage asset against any public benefit of the proposal.
More on heritage and listed buildings applications in our guide
Nearby applications
Within 500 metres
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2017/1500/T Granted
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2021/2190/L Granted
42 Mornington Terrace London NW1 7RT
Installation of temporary internal secondary glazing to eight windows and four mechanical ventilation units to the front of the property at all floors for noise mitigation during construction of the HS2 railway at Euston.
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2025/2503/T Granted
42 Mornington Terrace London NW1 7RT
FRONT GARDEN: 2 x Magnolia (Magnolia spp) (T1) - Reduce all round back to previous reduction points, approx. 1m leaving furnishing growth. Remove low small limb on back tree.
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2015/5310/T Granted
42 Mornington Terrace London NW1 7RT
FRONT GARDEN: 2 x Magnolia - Reduce height and lateral spread by 1.5m
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2016/1253/P Granted
42 Mornington Terrace London NW1 7RT
Installation of railings and gates on front boundary, repair side railings between nos.42 & 43, and replace guard rail between nos.41 & 42 with railings.
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2021/3571/T Granted
42 Mornington Terrace London NW1 7RT
FRONT GARDEN: 2 x Magnolias (Magnolia spp) (T1) - Reduce all round back to previous reduction points approx. 2m - 3m leaving furnishing growth. Remove lowest small branch over hanging stairway.
Other heritage and listed buildings applications
In Camden
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2026/3248/L Awaiting decision
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Single storey rear extension, internal reconfigurations, installation of double-glazed windows and doors, new air-conditioning units, landscaping to rear garden and erection of outbuilding amongst other alterations to the property.
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2026/3213/L Awaiting decision
51, 53, 55, 57 Lamb's Conduit Street London Camden WC1N 3NB
Installation of gas infrastructure including an external gas riser, associated pipework, and internal alterations comprising the relocation of gas meters and associated connections
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2026/2318/L Granted
90 Frognal London NW3 6XB
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2026/2136/L Granted
45 Downshire Hill London NW3 1NU
Proposed repair and replacement of front elevation windows with matching single glazed timber sash units. Replacement modern French doors in slim-profile double glazing. Rear windows retained, and repaired as required.
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2026/2122/L Granted
6 Royal College Street London NW1 0TH
Various internal and external changes, including replacement and alteration to timber windows, adjustments to internal layout, installation of fire-rated doors and emergency lighting, relocation and rearrangement of bathroom and kitchen (retrospective).