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Free 2026 London Planning Report — Building Regulations Drawings in Eltham SE9

Loft conversion with skylights in an interwar house in Eltham SE9, Royal Borough of Greenwich
Eltham · SE9 · Greenwich

Building Regulations Drawings in Eltham SE9

Fixed-fee, MCIAT-chartered building regulations drawings for Eltham (SE9) homeowners — Royal Borough of Greenwich validation and local constraints handled from the start.

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Eltham (SE9) sits in the Royal Borough of Greenwich and is best known for the Progress Estate at Well Hall — a 1915 Arts-and-Crafts garden suburb that inspired much interwar housing and has been a conservation area since 1971. An Article 4 direction covers the estate, so on those streets even small external changes need consent, and rear and loft projects have to be handled with real care for the original detailing.

Away from the estate, much of Eltham is consistent interwar semi-detached and terraced housing where side-return, rear and loft projects are the staple. The district also carries the setting of Eltham Palace and its listed gardens. We check where an Eltham property sits relative to the Progress Estate Article 4 area and the palace setting before recommending a permitted-development or full-application route under Greenwich's guidance.

Loft conversion with skylights in an interwar house in Eltham SE9, Royal Borough of Greenwich
Isometric illustration of a Eltham SE9 home building regulations drawings design
Proposed floor plan
Eltham SE9

Planning in Eltham (SE9): what to know before you apply

Eltham's Progress Estate at Well Hall carries a conservation-area designation and an Article 4 direction (1973), so permitted-development rights are removed across the estate and external changes need planning permission. Elsewhere in SE9 many interwar houses retain PD rights for rear and loft work, but the consistent frontages and the setting of Grade I listed Eltham Palace mean elevation and roof changes are assessed closely. We confirm which controls apply to a specific address before drawing.

Typical Eltham housing stock

The 1915 Arts-and-Crafts cottages and greens of the Progress Estate around Well Hall Road, interwar semi-detached and terraced housing across much of Eltham, and later post-war housing toward Mottingham and New Eltham.

Streets we regularly draw for in Eltham

Well Hall Road · Court Road · Eltham High Street · Ross Way

What SE9 is actually built of

Measured from 511 classified residential buildings in SE9, not from a description of the area.

Eltham SE9 housing mix

Residential building form across the SE9 postcode district, from 511 classified buildings.

Attached on more than one side39%
Attached on one side57%
Detached4%
Median building footprint62 m²
Addresses per buildingAbove about 2 means flats and maisonettes dominate1.22
Buildings classified511

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.

Building Regulations Drawings for Eltham (SE9) homes: the package and the process

A Full Plans submission is a technical argument, not a picture. The sheets carry construction build-ups for floors, walls and roof, insulation values and junction details, drainage runs and invert levels, fire escape routes and protected stairs, ventilation provision and the structural elements that carry it all. Building Control checks each against the Approved Documents before work starts.

We draw the engineer's structural design onto the architectural sheets, so the beam sizes on the calculations are the beam sizes on the sections, and the openings your builder prices are the openings that were approved. Where a detail is unusual, we draw it rather than leave it to be resolved on site.

Construction details follow the existing fabric. Solid brick walls, suspended timber floors and uninsulated roofs each need a different build-up to reach the required performance, and a terrace has party wall junctions to detail that a detached house simply does not.

What do building regulations drawings cover?

A building control package translates the approved design into a buildable, compliant specification.

  • Construction sections and detailed junctions
  • Structural drawings and calculations (steel beams, foundations, loadings)
  • Part L thermal performance and insulation specification
  • Fire safety — escape routes, protected structure, alarms
  • Drainage and ventilation layouts

Full Plans or Building Notice — which should I choose?

A Full Plans application has your drawings checked and approved by Building Control before work starts, giving certainty and a document lenders and buyers like to see. A Building Notice lets simpler work start sooner but is inspected as it proceeds, with less up-front certainty. For most London extensions and loft conversions we recommend Full Plans, and prepare the package accordingly. Building regulations are a separate consent from planning permission, and the two are often confused — the explainer on permitted development rights sets out which projects escape a planning application but still need building-regs approval.

Why coordinate structural calculations with the drawings?

When the engineer's steels, padstones and bearings are drawn onto our own sheets, the steel schedule matches the drawings and the builder never waits on a missing detail. It closes the classic gap between one firm's drawings and another firm's calculations that nobody has checked against them.

Full Plans vs Building Notice for a London project
FactorFull PlansBuilding Notice
Drawings checked before work startsYesNo
Up-front certaintyHigh — approval in writingLower — inspected as built
Best forExtensions, lofts, structural workMinor, simple works
Evidence for lenders and buyersFull approval recordCompletion certificate only
Risk of costly on-site reworkLowHigher if issues are found late
Example building regulations drawings sheet showing the existing and proposed arrangement at scale, as we draw it for Eltham (SE9) properties
Example sheet showing how we draw building regulations drawings to Royal Borough of Greenwich's validation standards for Eltham (SE9) properties.
FAQ

Building Regulations Drawings in Eltham SE9 — FAQs

Do I need building regulations approval as well as planning permission?+
Almost always, yes. Planning permission covers what the building looks like; building regulations cover how safely it is built. Most extensions and loft conversions need both.
How long does Building Control approval take?+
A Full Plans application is typically assessed within about five weeks. We prepare a complete package and respond to any conditions promptly, so approval is not held up by missing detail.
Can building regulations drawings be done after planning approval?+
Yes. Many homeowners secure planning permission first, then commission the building regulations package before starting on site. We can pick a project up at either stage.
Are structural calculations included?+
No, not in the building regulations fee. They are a separate service from £745, prepared by a named, insured engineer, or you can use your own engineer; either way we draw the beams and padstones onto the set so your builder has everything to price and build. Our all-inclusive packages include them.
Can you submit to Building Control for me?+
Yes, we prepare and submit the Full Plans package and respond to any Building Control queries.
Do I need planning permission for an extension in Greenwich?+
It depends on the area. The interwar and post-war suburbs toward Eltham and Kidbrooke often retain permitted development rights for rear extensions and lofts, while the historic core around West Greenwich and Blackheath sits within conservation areas where those rights are removed. We check your address against the designations first and can confirm permitted development with a Lawful Development Certificate.
How does the Maritime Greenwich World Heritage Site affect my project?+
Proposals within the World Heritage Site or its buffer zone are assessed against the setting of Maritime Greenwich, where the council protects townscape and long views toward the Royal Observatory. It doesn't rule out an extension, but roof-level and prominent works near the site need careful, context-led design. We confirm whether the setting applies to your address before drawing.
Can I extend a home in Blackheath or Westcombe Park?+
Yes, but these conservation areas carry strong design control over materials, rooflines and front elevations, and sloping sites around Blackheath and the Greenwich hills shape what works. We design context-led drawings that respond to the area's Georgian and Edwardian character and the topography, which is what carries applications to consent here.
How long does the Royal Borough of Greenwich take to decide?+
Greenwich's eight-week period begins the day after a valid application arrives; longer only if agreed in writing. World Heritage Site, conservation and protected-view cases can bring more consultation; we draw to the checklist.
How much do planning drawings cost in Greenwich?+
We agree a fixed fee before starting, taken from our published price list, with free redraws until Greenwich approves. A suburban Eltham extension and a West Greenwich heritage application differ in the evidence required, so we quote once we understand your address and project rather than by the hour.
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