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Free 2026 London Planning ReportNew Build Drawings in Hampton TW12

Kitchen extension interior for a period home in Hampton, Richmond upon Thames (TW12)
Hampton · TW12 · Richmond

New Build Drawings in Hampton TW12

Fixed-fee, MCIAT-chartered new build drawings for Hampton (TW12) homeowners — London Borough of Richmond upon Thames validation and local constraints handled from the start.

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TW12 is Hampton, a Thames-side village whose historic core sits around the High Street, Church Street and Thames Street, and where owners typically plan a rear kitchen extension, a side return or a loft conversion suited to a period or inter-war home.

The Hampton Village conservation area protects the older streets near the river, so before assuming permitted development it is worth confirming with Richmond whether your property is inside the boundary and whether any Article 4 control applies, as that decides between PD and a full householder application.

Kitchen extension interior for a period home in Hampton, Richmond upon Thames (TW12)
Isometric illustration of a Hampton TW12 home new build drawings design
Proposed floor plan
Hampton TW12

Planning in Hampton (TW12): what to know before you apply

Outside the conservation area many rear and loft projects fall under permitted development within the usual size and eaves limits. Inside the Hampton Village conservation area, and near the Metropolitan Open Land frontages, a householder application is the safer route and the council should confirm current Article 4 status.

Typical Hampton housing stock

The Hampton Village core keeps its historic character around the High Street, Church Street and Thames Street near the river, while the wider TW12 is largely Victorian, Edwardian and inter-war terraces and semis on streets such as Station Road and Rose Hill.

Streets we regularly draw for in Hampton

High Street · Church Street · Thames Street · Station Road

What TW12 is actually built of

Measured from 446 classified residential buildings in TW12, not from a description of the area.

Hampton TW12 housing mix

Residential building form across the TW12 postcode district, from 446 classified buildings.

Attached on more than one side34%
Attached on one side48%
Detached17%
Median building footprint67 m²
Addresses per buildingAbove about 2 means flats and maisonettes dominate1.31
Buildings classified446

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 2026-08-17.

New Build Drawings for Hampton (TW12) homes: the package and the process

A new dwelling is a full application rather than a householder one, and the drawing set reflects that: site layout with levels and boundaries, floor plans and elevations for the new building, sections showing how it sits in the ground, and street-scene elevations placing it against what is already there.

Two packages follow the approval — the planning set and the construction set — and they have to stay in step. Foundation design, drainage strategy, thermal performance and fire strategy are drawn for Building Control against the same geometry that was granted permission, so the built house matches the approved one.

An infill plot is designed against its neighbours. Plot width, the building line either side, and the ridge heights next door set what the new house can be — and on a tight urban site those constraints usually shape the design more than the brief does.

Is my plot suitable for a new build in London?

A feasibility assessment looks at plot size and shape, access, existing boundary conditions, relevant planning policy for the borough, and the likely impact of a new dwelling on neighbouring properties before any design work begins. Infill plots — a gap between existing buildings on a street — and backland plots — a garden or yard site behind existing houses, reached by a shared access — each raise different issues: infill schemes are usually judged on how well they match the scale, spacing and character of the street, while backland schemes are judged heavily on overlooking, garden loss for neighbours, and whether the access arrangement is acceptable. A feasibility study gives an honest view of whether a scheme is likely to succeed before you commit to full drawings.

What does pre-application advice add to a new build project?

Pre-application advice is a formal, paid process most London boroughs offer, where planning officers give written feedback on a proposed scheme before a full application is submitted. For a new build — where the principle of development itself is often the main issue, not just the design details — this feedback can be invaluable: it surfaces concerns around density, massing, daylight and sunlight or heritage context early enough to be addressed in the drawings, rather than discovered for the first time as a refusal reason months into a full application. We prepare and submit pre-application enquiries as part of the new build service where it is likely to strengthen the eventual planning application.

How do daylight, sunlight and overlooking affect a new build design?

London boroughs assess new dwellings against their effect on the daylight and sunlight reaching neighbouring homes and gardens, commonly using the 45-degree rule as an initial check on a proposal's massing and position relative to neighbouring windows, alongside more detailed daylight and sunlight assessment on sensitive sites. Overlooking and loss of privacy from new windows, upper floors or roof terraces are assessed similarly, and often shape decisions on window placement, floor-to-floor heights and the overall footprint and massing of the new building. Designing with these constraints from the earliest sketch stage, rather than adjusting for them after a refusal, is one of the main advantages of instructing feasibility and pre-application work before a full planning set.

New build project stages
StageWhat it establishesTypical fee guide
FeasibilityWhether the plot can support a new dwelling and the likely constraintsQuoted individually, from within the £2,500 new build fee
Pre-application adviceWritten borough feedback on the scheme before a full applicationQuoted individually alongside the planning fee
Full planning drawingsThe complete drawing set submitted for planning permissionFrom £2,500
Building regs and structuralConstruction-ready drawings and calculations for buildingFrom £2,200–£3,850, quoted once planning is settled
Sheet from a new build drawings package drawn for a Hampton property in TW12, showing the existing and proposed arrangement at scale
A sheet from the new build drawings package we submit to London Borough of Richmond upon Thames for Hampton (TW12) properties.
FAQ

New Build Drawings in Hampton TW12 — FAQs

How much do new build drawings cost in London?+
New build drawings start from £2,500 for feasibility and a full planning drawing set on a straightforward infill or backland plot, with building regulations and structural drawings quoted separately once the planning design is agreed.
Can any garden or backland plot be built on in London?+
Not necessarily — backland and garden plots are assessed on access, overlooking, loss of garden amenity for neighbours and borough policy, and a feasibility assessment gives an honest early view of whether a scheme is likely to be supported.
Do I need pre-application advice before a full new build application?+
It is not mandatory, but for a new dwelling — where the principle of development is often the main issue — pre-application advice can surface concerns early enough to address them in the design, reducing the risk of refusal.
Do you handle building regulations and structural drawings for a new build, or only planning?+
Both — the full new build service covers planning, building regulations and structural drawings from one in-house team, so the design stays consistent from feasibility through to construction-ready drawings.
How long does a new build project take from feasibility to planning permission?+
This varies with site complexity and whether pre-application advice is sought, but a full planning application is determined within the statutory period the borough applies to the application type, once submitted via the Planning Portal.
Do I need planning permission for an extension in Richmond?+
More often than in most boroughs, yes. Richmond has some of the most extensive Article 4 coverage in London, so permitted development cannot be assumed even for modest works — many conservation areas such as Richmond Green, Teddington and Kew Green require a full application. We confirm the exact designation for your address first and design accordingly rather than relying on permitted development.
My Richmond home is near the river — does flood risk affect my application?+
It can. Much of the borough lies within the Thames flood zone, and the council expects flood-risk considerations to be addressed for works near the river in Twickenham, Richmond and Hampton. We evidence flood-risk and finished-floor-level considerations within the application so the council can validate and approve without repeated revisions.
What does Richmond's Article 4 coverage mean in practice?+
Article 4 directions remove permitted development rights across many of Richmond's conservation areas, so alterations that would be automatic elsewhere — dormers, cladding, some rear works — need a full householder application here. We design context-led drawings that respond to the borough's period townscape and river frontage, which is what carries an application to consent in Richmond.
How long does Richmond Council take to decide?+
Richmond determines most householder applications within the statutory eight-week period once validated, though conservation and riverside cases can attract additional consultation. Because so much turns on design detail here, we prepare submissions to the validation checklist with the elevations and materials the council expects, to avoid drawing queries.
How much do planning drawings cost in Richmond?+
We agree a fixed fee before starting, typically around 30% below an architect's fee for the same council-accepted drawings, with free redraws until Richmond approves. Conservation and flood-zone cases require more evidence than a standard extension, so we quote once we understand your address and scheme rather than by the hour.
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