Enfield is London's northernmost borough, bordering Hertfordshire. It has large suburban areas with generous garden sizes — particularly in Enfield Chase, Bush Hill Park, and Winchmore Hill — where extensions are common and PD rights widely applicable. Conservation areas are concentrated in Enfield Town, Chase Side, and the historic villages. The overall planning culture is practical and the council processes a high volume of relatively straightforward householder applications.
Common projects that may be straightforward when they fit within PD limits and local constraints.
These are the usual reasons planning permission becomes more likely in Enfield.
The biggest drivers of approval are the exact proposal (dimensions and design) and the exact site constraints (designation, conditions, neighbour impacts). Use borough context as a starting point, then validate it with address-level checks and nearby precedents.
Projects that stay modest in size, match materials, and avoid obvious neighbour impacts are more likely to be straightforward — even before you consider borough-specific policies.
Conservation areas, listed buildings, Article 4 directions, flood risk and TPOs can flip the answer. Address-level checks stop you wasting money on the wrong scheme.
The fastest signal is what the council has approved or refused on comparable streets nearby. Precedent does not guarantee success, but it helps you shape a lower-risk design.
Councils rarely refuse the “idea” of an extension or loft conversion — refusals are usually about scale, design, neighbour impacts, and policy/designation conflicts. When you run a check, CanUBuild shows nearby approvals and refusals so you can see what has worked locally.
An invalid application cannot be registered. Use this checklist to ensure your submission is complete before you pay the fee.
Requirements can change — always verify the current validation checklist on the Enfield Council website before submitting.
Search the address, choose your project type, and get an answer based on permitted development rules, local constraints, and nearby precedent decisions.
Enfield is generally considered one of the more permissive outer-London boroughs. Many properties have large gardens and benefit from full PD rights, making standard extensions relatively straightforward. Conservation area coverage is limited compared to inner-London boroughs.
Under PD, a single-storey rear extension can be up to 4m for detached houses (or up to 8m under the Larger Home Extension scheme with prior approval). For attached houses, the limits are 3m (or 6m under the prior approval route). Always check your specific address for constraints.
Yes — the northern parts of Enfield border and include Green Belt land (including parts of Enfield Chase). Extensions to houses within the Green Belt are assessed against Green Belt policy, which is more restrictive than standard residential policies. Check whether your property is in the Green Belt.
Chase Side is a conservation area in Enfield Town that includes part of the historic core of the borough. Properties within it face standard CA restrictions on PD and require planning permission for most external changes visible from the public realm.
Last reviewed: 2026-03 · This guide is for general information only. Always verify with Enfield Council or a qualified planning consultant before making decisions.