Bromley protects the Petts Wood conservation area, a planned 1930s metro-land estate with design controls on the original house style, alongside standard householder control across BR6.


This page covers one part of the borough. For the full picture — fees, timelines and the council's current position — read building regulations drawings in Bromley.
Building regulations drawings for a Orpington project turn the design into a construction-ready set — Part A structure, Part B fire, Part L thermal, Part M access — for Bromley Council Building Control or an approved inspector. On BR6's inter-war and post-war semis and detached houses, the recurring details are steel beams over knocked-through ground floors, loft floor build-ups, and insulation upgrades to solid period walls around Orpington, Petts Wood, Crofton, Chelsfield fringe.
A construction-ready drawing package compliant with every Approved Document — Part A structure, Part B fire, Part L thermal, Part M accessibility — submitted to LABC or your approved inspector with structural calculations coordinated.
Across Orpington, Petts Wood, Crofton, Chelsfield fringe in BR6, the dominant property is inter-war and post-war semis and detached houses around orpington and petts wood, with the planned petts wood estate. That stock shapes what building regulations drawings looks like here: the right approach for a period terrace differs from a mansion-block flat or a new-build, and Bromley Council judges each on design quality and neighbour impact. We survey the specific Orpington property, confirm the planning route — Permitted Development, a Lawful Development Certificate, or full planning — and draw a council-ready set tailored to the BR6 streetscape.
Housing stock in BR6: Inter-war and post-war semis and detached houses around Orpington and Petts Wood, with the planned Petts Wood estate.
Within the district: Orpington, Petts Wood, Crofton, Chelsfield fringe.
Streets we know in BR6: the Petts Wood estate roads, the Crofton streets and the inter-war roads around Orpington station. Each road has its own building line, boundary treatment and precedent that Bromley Council weighs when assessing a building regulations drawings scheme.
Conservation areas: Petts Wood. Inside these, most external work needs full planning and a Heritage Statement.
Getting around BR6: Orpington and Petts Wood on the fast line into London Bridge and Charing Cross.
Regeneration: Orpington falls within or beside the Orpington town centre, which shapes local planning policy and design expectations.
Property values: BR6's quartiles for last year were £450,000 and £730,000, either side of a £570,000 median. Prices ended 2025 fractionally lower, by 0.9%.
Borough character: Largest London borough by area; substantial Green Belt; conservation areas in most town centres; generally permissive elsewhere.
Plans, sections and elevations at 1:50 with full annotation and material specification.
U-values for walls, roof, floor and glazing; SAP or SBEM where required; compliance statement.
Chartered engineer sign-off on beams, pad foundations, lintels, roof structure.
Escape routes, compartmentation, smoke alarms, fire-rated construction detail.
Soil and vent pipe routes, MVHR coordination, EV charging (Part S).
Full Plans submission to Bromley Council Building Control or an approved inspector with inspections coordinated through to completion certificate.
Single planning or building-regs submission.
Planning + building regs + structural.
Listed, conservation or complex sites.

Because BR6 is a settled family market of inter-war and post-war semis and detached houses — ideal for rear, side and wrap-around extensions and loft conversions. Outside the Petts Wood conservation area, much runs on the Permitted Development route, confirmed with a Lawful Development Certificate.
Yes — the Petts Wood conservation area protects the planned 1930s metro-land estate, with controls on the original house style, front boundaries and rooflines, so external changes there need full planning. We design sympathetically to the estate character and handle the Bromley application.
Usually yes on the semis and detached houses outside the conservation area — a hip-to-gable plus rear dormer within the volume allowance, confirmed by a Lawful Development Certificate. We check the head height and any Petts Wood constraint, then draw the scheme for Building Control too.
BR6 offers strong commuter value.
Bromley Council charges its own statutory application fee (currently £548 for a householder planning application, £610 for a full application). We quote the drawings as one fixed price and the free site survey covers every BR6 address.
For a BR6 project across Orpington, Petts Wood, Crofton, Chelsfield fringe, expect roughly 3–4 weeks from instruction to submission: week 1 the measured survey, weeks 2–3 the drawings and your revisions, then validation and the statutory determination by Bromley Council (8 weeks for a householder application). We carry the Orpington application through every officer query to the decision.
Orpington (BR6) sits primarily in Bromley, so applications are decided by Bromley Council. Conservation areas within BR6 include Petts Wood, where full planning and a Heritage Statement are required. We confirm the planning route for your exact address before quoting.
Almost always. Any structural work behind building regulations drawings in Orpington — new openings, steel beams, loft floors, foundations — needs Building Regulations approval covering structure (Part A), fire escape (Part B) and insulation (Part L), submitted to Bromley Council Building Control or an approved inspector. On BR6's typically terraced and semi-detached stock, a Party Wall notice to adjoining neighbours is normally required before the steelwork. We coordinate both as part of the Complete package.
In value terms, yes. The bigger risk is an unapproved or non-compliant scheme — which is why council-ready drawings and a clean Building Control sign-off matter on BR6 homes.
Moving, or weighing up a site in the next borough along? Here is the complete service list for SE9, SE12, SE20, SE26, BR1, BR2, BR3 and BR7.
Pick a slot that suits you. No obligation and no sales pressure, just straight answers on your planning route.
Every BR6 postcode district we draw in, the stock that dominates it and the authority that validates a building regulations package there. BR6 fees below are the statutory England rates for 2026, not building regulations package estimates.
| Postcode | Area | Dominant stock | What it means for a building regulations package |
|---|---|---|---|
| BR6 | Orpington | 1930s semi-detached | BR6 covers Orpington only; Bromley Council handles the building regulations package. |
| SE20 | Anerley / Penge | Victorian and Edwardian terraces | Adjoining district to BR6. Building control here can go to Bromley or to an approved inspector, on the same terms as in BR6. |
| BR1 | Bromley / Bickley | Victorian terraces, Edwardian villas, post-war flats | Adjoining district to BR6. Building control here can go to Bromley or to an approved inspector, on the same terms as in BR6. |
| BR2 | Hayes / Keston | Victorian terraces, Edwardian villas, post-war flats | Adjoining district to BR6. Building control here can go to Bromley or to an approved inspector, on the same terms as in BR6. |
| BR3 | Beckenham | Edwardian villas, 1930s semi-detached | Adjoining district to BR6. Building control here can go to Bromley or to an approved inspector, on the same terms as in BR6. |
Roof pitch, wall build-up and plot depth change every few BR6 streets, and each one changes what a building regulations package can achieve at that address.
Conservation areas covering BR6 (Orpington): Bromley Council runs 48, and Bromley Town, Chislehurst, Beckenham are the ones BR6 (Orpington) owners meet most. A building regulations package inside a BR6 (Orpington) conservation area loses permitted development, so the BR6 (Orpington) submission is a householder application at £548 decided in 8 weeks — not a £249 prior approval decided in 6 weeks. In Keston a building regulations package is judged on the street elevation first.
BR6 (Orpington) permitted development status: there is no borough-wide direction from Bromley Council, so a building regulations package at a BR6 address is normally still permitted development. We certify that with a £274 Lawful Development Certificate rather than leaving a BR6 (Orpington) sale to argue it later.
What BR6 (Orpington) is built from: Large 1930s detached and semi-detached in Chislehurst and Bickley; Edwardian in Beckenham; Victorian in Bromley town; Metropolitan Green Belt covers significant rural-fringe land. Largest London borough by area; substantial Green Belt; conservation areas in most town centres; generally permissive elsewhere. That mix decides the building regulations package route in BR6 (Orpington) more than the postcode does, and it is what a Bromley Council case officer reads first. A householder application costs £548 paid to Bromley Council direct, with 8 weeks to a decision once validated.
Sources for this BR6 building regulations package page: borough policies maps and conservation-area registers (2025–26), Royal Mail postcode district boundaries, the Town and Country Planning (Fees for Applications) (England) Regulations, the Town and Country Planning (General Permitted Development) (England) Order 2015 as amended, and the Party Wall etc. Act 1996.
Free fixed quote in 60 seconds. MCIAT chartered.
Get my free quote →Or contact us about your project firstBefore you commit, 30% below London architects and seeing why work with us. You can find your service to find the right fit, or set up your account to track your project. When you are ready, get a quote for your project — most homeowners have a fee in minutes — or contact us and a chartered technologist will be in touch.