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Free 2026 London Planning Report — Harold Wood RM3

Rendered terraced house with a tile-hung box dormer and white uPVC windows beside brick chimneys
RM3 · Harold Wood · Havering

Planning and building regulation drawings in Harold Wood (RM3)

Harold Wood grew as a commuter suburb around its railway station, with estates added between the wars and after for families moving out along the line. Most of what you see now is 1930s semi-detached housing and later postwar houses on planned estate roads. The district's streets include Oak Road, Athelstan Road, Squirrels Heath Road, Rosslyn Avenue, Archibald Road and Gooshays Drive, along with Chatteris Avenue, Gubbins Lane, Arundel Road, Station Road, Avenue Road and Bryant Avenue. The typical house is a bay-fronted semi on a regular plot with a decent back garden.

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  • London Borough of Havering granted 83% of 1019 householder applications
  • Drawings in about 7 days

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That consistency tells you what people build. Rear extensions and loft conversions are the usual starting points, and a side extension is worth considering where there is a gap beside the house. The plots generally suit them, though depth and coverage still need to be checked before anyone assumes a project can go ahead without an application. Where a semi shares a party wall with its pair, the neighbour's light and the joint wall matter as much as the garden length.

The street rhythm is the main design constraint. Because the roads are so settled, a new roof form, a changed front elevation or a side extension that closes the gap between pairs gets read against the houses either side. Matching the original brick, render, bay detailing and roof tiles is what makes an addition look like part of the house. We know of no conservation area in Harold Wood and no area-specific Article 4 direction, so Havering's ordinary householder rules and design guidance are the starting point.

Planning in Harold Wood: what to know before you apply

In Harold Wood, Havering handles householder work under the national permitted development limits and its own design guidance, with no local Article 4 direction narrowing them further. A rear extension that stays within the limits on depth, height and coverage may not need an application, but a wider or taller scheme quickly falls outside them. A side extension of more than one storey, or one wider than half the original house, always needs an application. Planning officers then assess materials, roof form, the gap between semis and how the extension sits against its attached neighbour. Flats have no householder rights at all, and a lawful development certificate is a sensible way to confirm a permitted route before building. We check your plot against the current limits before recommending which route to take.

Applications are decided by London Borough of Havering — its planning pages.

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Does your Harold Wood project need planning permission?

Route check · Harold Wood (RM3)

Listed building?
Conservation area?
Likely permitted development — no planning applicationNeeds checking
  • A single-storey rear extension up to 4 m deep on a detached house, or 3 m on any other house, is Class A permitted development subject to the height and materials conditions.
  • This council does not publish its Article 4 directions to the national register, so the schedule is confirmed with the council first.
  • One or more constraints are unknown — we check the council's registers as part of the free appraisal.
  • Where permitted development applies, a lawful development certificate proves it for lenders and buyers.

Sources: GPDO 2015, Schedule 2, Part 1 · Planning Portal — common projects · Building Regulations 2010 — when approval is needed

This is a first-pass indication from the national rules, not planning advice for your property. Your council's registers, any Article 4 schedule and the exact dimensions decide it — the free appraisal checks all three before we recommend a route.

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Harold Wood (RM3) in numbers

What London Borough of Havering has decided, and what RM3 is built of — the two facts that shape every job here.

Householder planning decisions — London Borough of Havering

Harold Wood (RM3) applications are decided by London Borough of Havering; these are its published householder figures for the last four quarters.

Householder applications decided2025 Q2 to 2026 Q11,019
Granted844
Refused175
Grantedof 1019 decisions · England 90%83%
Decided within 8 weeksof 586, excluding prior approvals97%

Source: Ministry of Housing, Communities and Local Government (PS2 district planning application statistics). Open Government Licence v3.0 Extracted 2026-09-22.

Permitted development prior approvals — London Borough of Havering

How the larger-home-extension route has fared with London Borough of Havering, which decides RM3 notifications.

Larger home extension prior approvals — not required2024 Q2 to 2026 Q1340
Prior approval granted42
Prior approval refused65
Grantedof 107 determined39%

Source: Ministry of Housing, Communities and Local Government (PS1 district planning application statistics). Open Government Licence v3.0 Extracted 2026-09-22.

Planning appeals — London Borough of Havering

Refusals in RM3 can be appealed to the Planning Inspectorate; this is London Borough of Havering's householder appeal record.

Householder appeals determined2021–2026317
Allowed140
Allowedof 317 · England 36%44%

Source: Planning Inspectorate appeals casework. Open Government Licence v3.0 Extracted 2026-09-22.

Conservation areas and Article 4 directions — London Borough of Havering

Register counts for London Borough of Havering. A count describes what the council has published, never a rank against another council.

Conservation areas in the register6 dated, 1968–201011

Source: MHCLG Planning Data Platform. Open Government Licence v3.0 Extracted 2026-09-22.

What RM3 is built of

Residential building form across Harold Wood (RM3), from 402 classified buildings — the fact that decides party walls, side returns and loft headroom before any policy does.

Attached on more than one side38%
Attached on one side54%
Detached8%
Median building footprint53 m²
Addresses per buildingAbove about 2 means flats and maisonettes dominate1.22
Buildings classified402

Source: Ordnance Survey National Geographic Database (derived statistics). Contains OS data © Crown copyright and database right 2026. Contains Royal Mail data © Royal Mail copyright and database right 2026. Extracted 2026-09-22.

  1. Day 0Measured survey of your Harold Wood property — or your existing plans if you have them.
  2. About 7 daysDrawings issued for your approval. Free redraws until you are happy.
  3. SubmissionWe validate against London Borough of Havering’s checklist and submit on your behalf.
  4. Council: 8-week targetHouseholder applications carry an 8-week statutory target. London Borough of Havering decided 97% of 586 recent householder applications inside it.

Source: Ministry of Housing, Communities and Local Government (PS2 district planning application statistics). Open Government Licence v3.0 Extracted 2026-09-22.

Neighbourhoods

Streets and neighbourhoods in RM3

FAQ

Harold Wood (RM3) — FAQs

Can I extend my Harold Wood semi without planning permission?+
Sometimes. Rear and single-storey side extensions can fall within permitted development if they respect limits on depth, height, width and coverage, but a two-storey side extension or a larger rear scheme needs an application. We measure the plot first and then advise.
Will the neighbour attached to my house be able to object?+
They can comment if you submit an application, and the party wall is a separate legal process in any case. Overshadowing and the shared building lines are what Havering looks at, so a design that respects the pair answers the questions officers ask.
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