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321 Systems

It service and computer repair · London

6 Maryon Mews, London, NW3 2PU

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Opening hours

We don’t know the hours yet. Give them a ring on 0207 794 3236.

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  • IndependentNot part of a chain we know of

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Planning and licences next door

  • Planning applicationon your doorstep

    Going green at 31 Pond Street London

    Installation of a rear door to replace an existing window, removal of paint from the rear elevation and repointing, and hard and soft landscaping to the front garden including a free-standing EV charging point.

    31 Pond Street London NW3 2PN
  • Planning applicationon your doorstep

    Conditions sign-off at 4 Connaught Mews London

    Removal of condition 8 (obscure glazing) to planning permission 2025/4212/P dated 04/03/2026 for 'Erection of single storey side extension, outbuilding and associated landscape. Replacement of side window with doors and installation of rooflights'.

    4 Connaught Mews London NW3 2NW

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Where this comes from

Business names, categories, phone numbers and websites: Overture Maps Foundation. Opening hours and step-free access: © OpenStreetMap contributors, under the Open Database Licence. Food hygiene ratings: the Food Standards Agency. Roadworks, planning and licences: MeBabber’s own nightly copies of public records. Something wrong, or closed? Tell us. Hours change, so check with the business before a special trip.