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Porch extension plans in Broadstone — a front porch built onto the principal elevation of a house
Broadstone · Porch Drawings & Planning

Porch extension plans in Broadstone

Front-porch drawings for Broadstone homes — checked against the Class D permitted-development limits, drawn to Bournemouth, Christchurch and Poole Council's frontage guidance, delivered in days and revised free until your decision, with a free approval-odds check first.

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Broadstone planning decisions and design rules

Bournemouth, Christchurch and Poole Council granted 88% of the householder planning decisions it made in its latest published year — 1 point above the 87% England-wide householder average. Broadstone contains Ridgeway and Broadstone Park, Tudor Road and Golf Links Road conservation areas, so materials, fenestration and roof form are assessed against the appraisal, which is where a policy-literate drawing pack earns its keep. Its dominant postwar (1945–1970) housing stock sets the design brief on most streets.

Before permission is required, Class B allows 40m³ of added loft volume on a terrace and 50m³ on a semi or detached house, and Class A allows a 3m single-storey rear extension on a terrace or 4m on a detached house. In conservation areas such as Ridgeway and Broadstone Park and Tudor Road and Golf Links Road those rights are removed, so we confirm your exact address before a line is drawn. A validated householder application in Broadstone is determined against an 8-week statutory target.

Ridgeway and Broadstone Park (designated conservation area) and Tudor Road and Golf Links Road (designated conservation area) — these are the Broadstone pockets our drawings cover most. Heritage designations here include Ridgeway and Broadstone Park and Tudor Road and Golf Links Road. Bournemouth, Christchurch and Poole Council weighs each proposal against the adopted Bournemouth, Christchurch and Poole local plan and Bournemouth, Christchurch and Poole Council's design guidance for householder work, where the 4,400 homes here are 21% 1965-1972, 20% 1955-1964, 14% 1973-1982, which is what sets the realistic roof and rear-projection options. On roofs the borough is shallow-pitched roofs and integral garages typical of that period's building and shallow gabled roofs typical of that period's building, over late-1960s and early-1970s houses (21% of 4,400 homes), late-1950s and early-1960s houses (20%) and 1970s and early-1980s houses (14%).

Why a Broadstone scheme is judged on Broadstone terms

What is permitted in Broadstone turns on designation first, so that is where we start: Ridgeway and Broadstone Park (designated conservation area) and Tudor Road and Golf Links Road (designated conservation area). Inside those boundaries permitted development is curtailed and Bournemouth, Christchurch and Poole Council assesses materials, window detail and roof form against the area's own appraisal, so a scheme that would be waved through two streets away can need a full application here.

No Article 4 direction is recorded for Bournemouth, Christchurch and Poole Council, but Broadstone's 2 conservation areas still limit permitted development on those streets.

On stock, Broadstone is late-1960s and early-1970s houses (21% of 4,400 homes), late-1950s and early-1960s houses (20%) and 1970s and early-1980s houses (14%) — which is why shallow-pitched roofs and integral garages typical of that period's building and shallow gabled roofs typical of that period's building govern what a loft or rear projection can realistically be. Bournemouth, Christchurch and Poole Council decided 1,206 householder applications in the latest published year and granted 88%, with 44% issued inside the eight-week target. We draw to that record rather than to a national average.

The full build-period split for Broadstone runs pre-1900 3% (120 homes), 1900-1918 2% (80 homes), 1919-1929 2% (100 homes), 1930-1939 6% (280 homes), 1945-1954 3% (140 homes), 1955-1964 20% (890 homes), 1965-1972 21% (940 homes), 1973-1982 14% (600 homes), 1983-1992 13% (580 homes), 1993-1999 9% (390 homes) and 2000-2008 3% (130 homes). That distribution is why pre-1900 detailing dominates the drawings here, and it is measured from council-tax records rather than assumed from the street name.

Bournemouth, Christchurch and Poole Council also decides for Bearwood & Merley, Boscombe West, Bournemouth Central, Burton & Grange, Canford Cliffs, Christchurch Town, Commons and Highcliffe & Walkford, so a decision in Broadstone sits inside a wider pattern of decisions we track across the same authority — useful when an officer cites a precedent from the next area over.

Broadstone by the published data

Published figures for Broadstone and Bournemouth, Christchurch and Poole Council. These are the numbers that decide what is realistic on your street, so we work from them rather than from national averages.

MeasureBroadstone
Dwellings recorded4,400
Built pre-1900120 (3%)
Built 1900-191880 (2%)
Built 1919-1929100 (2%)
Built 1930-1939280 (6%)
Built 1945-1954140 (3%)
Built 1955-1964890 (20%)
Built 1965-1972940 (21%)
Built 1973-1982600 (14%)
Built 1983-1992580 (13%)
Built 1993-1999390 (9%)
Built 2000-2008130 (3%)
Built before 19195%
Built 1919–19399%
Built 1945–200883%
Conservation areas in Broadstone2 (Ridgeway and Broadstone Park, Tudor Road and Golf Links Road)
Conservation areas district-wide48
Article 4 directions recorded0
Householder applications decided1,206
Householder applications granted88%
Decided within 8 weeks44%

Dwelling stock from VOA council-tax data at 31 March 2025; conservation-area and Article 4 counts from planning.data.gov.uk (MHCLG); decision figures are Bournemouth, Christchurch and Poole Council's own, from MHCLG live table PS2 for the year to 31 March 2026.

Why a porch is judged on the Broadstone street, not the plan

A porch is the smallest thing most people build and the most visible. It sits on the principal elevation, so Bournemouth, Christchurch and Poole Council reads it against the rhythm of the whole street rather than against your own house alone. Broadstone is largely late-1960s and early-1970s houses (21% of 4,400 homes), late-1950s and early-1960s houses (20%) and 1970s and early-1980s houses (14%), and where a run of houses shares one front-door detail, a porch that ignores it stands out from fifty metres away.

The three Class D numbers do most of the work: 3 square metres of external floor area, 3 metres of height, and a 2-metre stand-off from any boundary that fronts a highway. That last one catches more porches in Broadstone than the other two put together, because front gardens are shallow and the boundary is measured to the highway line, not to the kerb. We measure it on site and set the porch inside the limit, or we tell you honestly that it needs an application.

In Broadstone's conservation areas — Ridgeway and Broadstone Park and Tudor Road and Golf Links Road among them — a porch is assessed on materials, roof form and how the door surround is treated. No Article 4 direction is recorded for Bournemouth, Christchurch and Poole Council, but Broadstone's 2 conservation areas still limit permitted development on those streets.

Porch design drawing prepared for a Broadstone house frontage

Does a porch need planning permission in Broadstone?

Most modest porches are permitted development. You will need to apply to Bournemouth, Christchurch and Poole Council if any of these apply:

  • The external floor area measures more than 3 square metres
  • Any part of the porch stands higher than 3 metres above ground level
  • Any part sits within 2 metres of a boundary that fronts a highway
  • The house is in a conservation area such as Ridgeway and Broadstone Park and Tudor Road and Golf Links Road, where frontage changes are controlled
  • The building is listed — listed building consent is required whatever the size
  • The porch encloses a shared entrance to flats rather than a single house

Broadstone porch decisions — live from council data

Below is Bournemouth, Christchurch and Poole Council's real householder decision record, drawn from official planning statistics and refreshed as new data lands. Bournemouth, Christchurch and Poole Council granted 88% of its householder applications in the year to 31 March 2026, and Ridgeway and Broadstone Park shapes what is approved here. A porch application turns on frontage design and the highway stand-off, so a pack that dimensions both is decided faster than a sketch.

Source: MHCLG planning application statistics (householder decisions, England, 1 April 2025 - 31 March 2026). Compare every borough on our London approval-rate league table.

88%householder applications approved in Bournemouth, Christchurch and Poole
87%national average — Bournemouth, Christchurch and Poole is 1 point above the national average

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What porches get approved across Broadstone

Across Ridgeway and Broadstone Park and Tudor Road and Golf Links Road, the porches that go through are the ones that borrow from the house: the same brick or render, a roof pitched to match, and a door and side-light proportioned to the original opening. On late-1960s and early-1970s houses (21% of 4,400 homes), an open-sided canopy is often the better answer than an enclosed porch — it stays clear of the floor-area limit and leaves the frontage legible.

Broadstone contains Ridgeway and Broadstone Park, Tudor Road and Golf Links Road conservation areas, so materials, fenestration and roof form are assessed against the appraisal, which is exactly the sort of local reading a porch has to satisfy. Where the 2-metre highway stand-off cannot be met, we either recess the porch behind the building line or prepare a full householder application with an elevation that shows the porch in the context of its neighbours — the drawing that answers the officer's real question.

Drawing pack for a porch application in Broadstone

Porch drawings across Broadstone

We draw porches on every street type in Broadstone. A few of the areas where porch work comes up most often:

Ridgeway and Broadstone Park

Porch drawings for Ridgeway and Broadstone Park — designated conservation area — dimensioned to the Class D limits and drawn to Bournemouth, Christchurch and Poole Council's frontage guidance.

Tudor Road and Golf Links Road

Porch drawings for Tudor Road and Golf Links Road — designated conservation area — dimensioned to the Class D limits and drawn to Bournemouth, Christchurch and Poole Council's frontage guidance.

Is your Broadstone porch permitted development or a full application?

Class D sets three thresholds. This is how the common cases fall either side of them.

Porch typePermitted development?What decides itWhat Bournemouth, Christchurch and Poole Council checks
Open canopy over the doorUsually yes — no enclosed floor areaWhether it is enclosedProjection, materials, roof form
Enclosed porch under 3m²Yes, if under 3m high and 2m from the highway boundaryExternal floor areaHighway stand-off, frontage design
Enclosed porch over 3m²No — full applicationExternal floor areaBulk on the principal elevation
Porch in a conservation areaOnly if it meets Class D and no Article 4 appliesDesignation statusMaterials, door detail, streetscape
Porch on a listed buildingNo — listed building consent requiredListingImpact on special interest

Thresholds from the Town and Country Planning (General Permitted Development) (England) Order 2015, Schedule 2, Part 1, Class D.

Four steps to an approved Broadstone porch

A fixed process built around how Bournemouth, Christchurch and Poole Council validates and decides frontage work — most porch drawings are submission-ready within seven days of survey.

  1. 1

    Free approval check

    Send us your Broadstone postcode. We confirm conservation, Article 4 and listing status, measure the front boundary against the 2-metre highway rule, and score your odds against live Bournemouth, Christchurch and Poole Council decisions.

  2. 2

    Measured survey

    We measure the frontage, threshold level, door opening and the distance to the highway boundary — the four numbers a porch application stands or falls on.

  3. 3

    Porch design & drawings

    Chartered designers develop the porch to your brief, either inside the Class D limits or as a full application drawn to Bournemouth, Christchurch and Poole Council's design guidance, with materials and roof form matched to the house.

  4. 4

    Submission & follow-through

    We submit the certificate or application, manage validation and case-officer queries, and revise the drawings free until Bournemouth, Christchurch and Poole Council issues its decision.

Frequently asked questions

Do I need planning permission for a porch in Broadstone?

Usually not, provided it meets all three Class D limits: no more than 3 square metres of external floor area, no more than 3 metres high, and no part within 2 metres of a boundary fronting a highway. Break any one and you need a householder application to Bournemouth, Christchurch and Poole Council. On designated land, and on listed buildings, the position is different and we check it before drawing. This applies to your Broadstone address specifically.

How is the 3 square metres measured on a Broadstone porch?

It is the external floor area — measured to the outside face of the porch walls, not the usable space inside. That catches people out, because a porch that feels small internally can exceed 3 square metres once the wall thickness is counted. We measure and dimension it on the plan so the figure is beyond argument at validation. This applies to your Broadstone address specifically. Bournemouth, Christchurch and Poole Council is the decision-maker.

What is the 2 metre highway rule for porches in Broadstone?

No part of a permitted-development porch may be within 2 metres of any boundary of the property that fronts a highway. In Broadstone this is the limit that most often pushes a porch into a full application, because front gardens are shallow. The measurement is to the boundary line, which is not always where the kerb or the fence sits — we establish it on survey. Bournemouth, Christchurch and Poole Council is the decision-maker.

Can I build a porch in a Broadstone conservation area?

Yes, but the design bar is higher. Class D is not automatically removed in a conservation area, so a compliant porch can still be permitted development — however Bournemouth, Christchurch and Poole Council will expect materials, roof pitch and door detail to respect the area's character, and an Article 4 direction can remove the right entirely. In Ridgeway and Broadstone Park and Tudor Road and Golf Links Road we confirm the position on your specific address first.

Does a porch need building regulations approval in Broadstone?

A porch is exempt from most building regulations if it is under 30 square metres, at ground level, separated from the house by the existing external door, and any glazing and electrics meet Parts K, N and P. Remove the original front door and the porch becomes part of the heated envelope, at which point insulation and Part L apply. We flag which side of that line your design falls on. This applies to your Broadstone address specifically. Bournemouth, Christchurch and Poole Council is the decision-maker.

How long does Bournemouth, Christchurch and Poole Council take to decide a porch application?

A householder application runs to an eight-week statutory target, and a lawful development certificate to the same. The realistic risk is not the decision but validation — an incomplete pack is returned rather than determined. We prepare the submission validation-complete and handle officer queries so the timetable holds. This applies to your Broadstone address specifically. Bournemouth, Christchurch and Poole Council is the decision-maker.

How much do porch plans in Broadstone cost?

We quote each Broadstone porch individually, because frontage type and boundary position vary house to house, and send a fixed, no-obligation quote within one working day. It covers the full drawing pack with free revisions until Bournemouth, Christchurch and Poole Council approves. Call 020 7864 7245 to start.

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