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Free 2026 London Planning Report — Ham & Petersham TW10

Cobbled lane of brick cottages with sash and leaded windows and wisteria on the walls, leading to a stone church tower
TW10 · Ham & Petersham · Richmond

Planning and building regulation drawings in Ham & Petersham (TW10)

Ham and Petersham read as villages rather than suburbs, and the housing explains why. Georgian terraces climb Richmond Hill and line The Vineyard, Petersham has houses that date back to the seventeenth and eighteenth centuries, and cottages fringe Ham Common along Ham Street and Church Road. Petersham Road, Ormond Road and Nightingale Lane complete the picture of a district sitting between Richmond Park and the river, with low-density plots and mature boundaries that the council protects.

  • MCIAT chartered technologists
  • London Borough of Richmond upon Thames granted 82% of 1362 householder applications
  • Drawings in about 7 days

Free Ham & Petersham planning assessment

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That setting decides what a sensible project looks like. A rear addition has to suit the plot and the garden around it, a loft needs a roof form that does not disturb the street scene, and a change to a front elevation, a window or a chimney is the kind of thing that can need permission here when it would not elsewhere. Views matter too. Richmond Hill has protected views over Petersham Meadows and the Thames, and they constrain the height and massing of visible additions in the surrounding streets.

Four conservation areas are named for the district: Richmond Hill, Petersham, Ham Common and Ham House. Article 4 directions apply in the Petersham conservation area and along the Ham Street frontages around the common, which pulls routine alterations into planning control. We check which designations touch your address, and whether the property is listed, before suggesting a route.

Planning in Ham & Petersham: what to know before you apply

Richmond is known for wide Article 4 coverage, and TW10 shows it. In the Petersham conservation area and the Ham Street frontages around Ham Common, the directions mean extensions, new windows and doors, rendering or painting brickwork, removing chimneys and replacing front gardens all need planning permission. In any conservation area, roof enlargements, side extensions and rear extensions of more than one storey are not permitted development in any case. Flats have no householder rights. The council weighs applications against the village setting, protected views and the Thames flood zone where it applies. Like-for-like repair is not development, so replacing something exactly as it was is a separate question from altering it. We confirm what binds your address before drawing.

Applications are decided by London Borough of Richmond upon Thames — its planning pages.

Check your route

Does your Ham & Petersham project need planning permission?

Route check · Ham & Petersham (TW10)

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.
  • An Article 4 direction applies here and may withdraw this freedom — the schedule must be checked before relying on it.
  • 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.

Confirm it with a free appraisal

Ham & Petersham (TW10) in numbers

What London Borough of Richmond upon Thames has decided, and what TW10 is built of — the two facts that shape every job here.

Householder planning decisions — London Borough of Richmond upon Thames

Ham & Petersham (TW10) applications are decided by London Borough of Richmond upon Thames; these are its published householder figures for the last four quarters.

Householder applications decided2025 Q2 to 2026 Q11,362
Granted1,113
Refused249
Grantedof 1362 decisions · England 90%82%
Decided within 8 weeksof 958, excluding prior approvals98%

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 Richmond upon Thames

How the larger-home-extension route has fared with London Borough of Richmond upon Thames, which decides TW10 notifications.

Larger home extension prior approvals — not required2024 Q2 to 2026 Q10
Prior approval granted135
Prior approval refused46
Grantedof 181 determined75%

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 Richmond upon Thames

Refusals in TW10 can be appealed to the Planning Inspectorate; this is London Borough of Richmond upon Thames's householder appeal record.

Householder appeals determined2021–2026379
Allowed169
Allowedof 379 · England 36%45%

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

Conservation areas and Article 4 directions — London Borough of Richmond upon Thames

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

Conservation areas in the register85 dated, 1969–202385

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

What TW10 is built of

Residential building form across Ham & Petersham (TW10), from 272 classified buildings — the fact that decides party walls, side returns and loft headroom before any policy does.

Attached on more than one side42%
Attached on one side41%
Detached16%
Median building footprint68 m²
Addresses per buildingAbove about 2 means flats and maisonettes dominate1.31
Buildings classified272

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 Ham & Petersham 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 Richmond upon Thames’s checklist and submit on your behalf.
  4. Council: 8-week targetHouseholder applications carry an 8-week statutory target. London Borough of Richmond upon Thames decided 98% of 958 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 TW10

Ham & Petershampredominantly Georgian and Victorian
Nearby

Nearby postcode districts

Richmond TW9Teddington TW11Brentford TW8Hampton TW12Isleworth TW7Feltham TW13Cranford TW5Twickenham TW1
FAQ

Ham & Petersham (TW10) — FAQs

Can I change the windows on my Petersham or Ham Common house without permission?+
Where an Article 4 direction applies, as it does in the Petersham conservation area and on the Ham Street frontages, new windows and doors need planning permission. Repairing existing ones like for like does not. We check the direction against your address first and tell you which of the two applies.
Will the Richmond Hill view protection stop me building?+
Not on its own, but it affects how tall and how bulky a visible addition can be. Proposals in the streets around the hill are assessed for their effect on the protected views over Petersham Meadows and the Thames, so we show the roofline and massing clearly in the drawings.
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