Garage Conversion Drawings in City of London

Which postcode districts around City of London do we cover for garage conversion work?

Every City of London postcode district we draw in, the stock that dominates it and the authority that validates a garage conversion there. City of London fees below are the statutory England rates for 2026, not garage conversion estimates.

What changes about a garage conversion in each part of City of London?

Roof pitch, wall build-up and plot depth change every few City of London streets, and each one changes what a garage conversion can achieve at that address.

• Barbican (EC2Y) — garage conversion work in Barbican means listed brutalist apartments (barbican estate). Barbican is Brutalist listed estate. Post-war estates here were laid out with garage courts throughout EC2Y. City of London Corporation decides the Barbican application, and Barbican Centre anchors the Barbican location plan.
• Smithfield (EC1A) — a garage conversion in Smithfield starts from mostly commercial, residential lofts, and Smithfield reads as Georgian and Victorian commercial. Victorian terraces here rarely have an integral garage in EC1A. City of London Corporation assesses Smithfield garage conversions against its own Smithfield character guidance, and the location plan we draw for Smithfield references Smithfield Market.
• Fleet Street (EC4) — a garage conversion in Fleet Street starts from mostly commercial, residential conversions, and Fleet Street reads as Georgian and Victorian commercial. Victorian terraces here rarely have an integral garage in EC4. City of London Corporation assesses Fleet Street garage conversions against its own Fleet Street character guidance, and the location plan we draw for Fleet Street references Royal Courts of Justice.
• St Paul's (EC4M) — garage conversion work in St Paul's means mostly commercial, listed residential. St Paul's is Listed heritage commercial core. Victorian terraces here rarely have an integral garage throughout EC4M. City of London Corporation decides the St Paul's application, and St Paul's Cathedral anchors the St Paul's location plan.

Does City of London planning policy restrict a garage conversion?

City of London conservation designations: there are 27 across City of London Corporation, Fleet Street, Whitefriars, St Paul's among them. Designation costs a City of London owner the permitted-development route: a garage conversion then needs a £548 householder application over 8 weeks, in place of the £249 prior approval route that takes 6 weeks. Fleet Street is the City of London designation that most often changes a garage conversion design.

Article 4 and your City of London garage conversion: Multiple Article 4 Directions around office-to-residential, demolition, and shopfront changes. At a EC1A address that matters twice over, because City of London Corporation applies the direction unevenly across City of London — we read the City of London policies map for the exact EC1A address before quoting garage conversions.

What City of London is built from: Very limited residential — Barbican Estate (listed post-war), Golden Lane Estate, modern luxury flats; overwhelmingly commercial. Overwhelmingly commercial; residential planning extremely constrained; one of the two highest listed-building densities in London. That mix decides the garage conversion route in City of London more than the postcode does, and it is what a City of London Corporation case officer reads first. A householder application costs £548 paid to City of London Corporation direct, with 8 weeks to a decision once validated.

Which neighbouring authorities border City of London?

• Southwark — cross the City of London boundary and Southwark Council takes the garage conversion instead, applying 43 conservation areas of its own around SE1. We re-price garage conversions at the City of London edge because Southwark policy and City of London policy rarely align on garage conversion depth.
• Westminster — cross the City of London boundary and Westminster City Council takes the garage conversion instead, applying 56 conservation areas of its own around SW1. We re-price garage conversions at the City of London edge because Westminster policy and City of London policy rarely align on garage conversion depth.
• Camden — the Camden boundary runs against City of London, so a garage conversion a street from City of London is decided by Camden Council instead. Camden runs 40 conservation areas across NW1 and its neighbours, which is why garage conversions priced for City of London are re-checked against Camden policy whenever the City of London address sits on that edge.
• Islington — the Islington boundary runs against City of London, so a garage conversion a street from City of London is decided by Islington Council instead. Islington runs 40 conservation areas across N1 and its neighbours, which is why garage conversions priced for City of London are re-checked against Islington policy whenever the City of London address sits on that edge.

Sources for this City of London garage conversion page: borough policies maps and conservation-area registers (2025–26), Royal Mail postcode district boundaries, the Town and Country Planning (Fees for Applications) (England) Regulations, the Town and Country Planning (General Permitted Development) (England) Order 2015 as amended, and the Party Wall etc. Act 1996.