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

Porch extension plans in St Andrews

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

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St Andrews householder planning by the numbers

Great Yarmouth Borough Council granted 92% of the householder planning decisions it made in its latest published year — 5 points above the 87% England-wide householder average. St Andrews contains No.17 Gorleston Conservation Area Extensions, No.6 Gorleston Town Centre conservation areas (No.17 Gorleston Conservation Area Extensions designated 2009), so materials, fenestration and roof form are assessed against the appraisal, which is where a policy-literate drawing pack earns its keep. Its dominant Victorian (1837–1901), Edwardian (1901–1910) and interwar (1918–1939) housing stock sets the design brief on most streets.

Under Class B, a rear dormer stays permitted development up to 40m³ of added roof volume on a terrace or 50m³ on a semi-detached or detached house, while Class A allows a single-storey rear extension of 3m beyond the original rear wall on a terrace and 4m on a detached house before a full application is needed. St Andrews carries at least one Article 4 direction, and conservation areas including No.17 Gorleston Conservation Area Extensions and No.6 Gorleston Town Centre remove those rights outright, so we confirm your exact address before a line is drawn. A validated householder application in St Andrews is determined against an 8-week statutory target.

No.17 Gorleston Conservation Area Extensions (conservation area designated in 2009) and No.6 Gorleston Town Centre (conservation area designated in 1977) — these are the St Andrews pockets our drawings cover most. Heritage designations here include No.17 Gorleston Conservation Area Extensions and No.6 Gorleston Town Centre. Great Yarmouth Borough Council weighs each proposal against Great Yarmouth Borough Council's adopted local plan and its householder design guidance, where the 2,470 homes here are 35% pre-1900, 17% 1930-1939, 13% 1900-1918, which is what sets the realistic roof and rear-projection options. On roofs the borough is steeply pitched slate roofs, valley gutters and party parapets typical of pre-1900 building and hipped roofs with shallow pitches typical of 1930s building, over Victorian and earlier houses (35% of 2,470 homes), 1930s semi-detached and detached houses (17%) and Edwardian houses (13%).

What actually constrains a project in St Andrews

St Andrews's designated heritage is specific, and it is the first thing we check against your address: No.17 Gorleston Conservation Area Extensions (conservation area designated in 2009) and No.6 Gorleston Town Centre (conservation area designated in 1977). Inside those boundaries permitted development is curtailed and Great Yarmouth Borough 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.

Great Yarmouth Borough Council has 18 recorded Article 4 directions — check the address before assuming PD applies in St Andrews.

On stock, St Andrews is Victorian and earlier houses (35% of 2,470 homes), 1930s semi-detached and detached houses (17%) and Edwardian houses (13%) — which is why steeply pitched slate roofs, valley gutters and party parapets typical of pre-1900 building and hipped roofs with shallow pitches typical of 1930s building govern what a loft or rear projection can realistically be. Great Yarmouth Borough Council decided 153 householder applications in the latest published year and granted 92%, with 69% issued inside the eight-week target. Those are the numbers our drawings are prepared against.

The full build-period split for St Andrews runs pre-1900 35% (870 homes), 1900-1918 13% (320 homes), 1919-1929 4% (110 homes), 1930-1939 17% (430 homes), 1945-1954 2% (50 homes), 1955-1964 6% (150 homes), 1965-1972 2% (40 homes), 1973-1982 4% (90 homes), 1983-1992 2% (50 homes), 1993-1999 5% (130 homes) and 2000-2008 4% (110 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.

Great Yarmouth Borough Council also decides for Central and Northgate, East Flegg, Gorleston, Nelson, Ormesby and West Flegg, so a decision in St Andrews 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.

The Article 4 directions recorded for this council include Article 4 Direction - Fleggburgh, Article 4 Direction - Hemsby Parish, Article 4 Direction - Horsey, Winterton, Sea Palling and Article 4 Direction - Houses in Multiple Occupation Great Yarmouth. Each removes a specific permitted-development right inside its own boundary, which is why the check is done on the address rather than on the town.

St Andrews in numbers — housing stock and planning decisions

Published figures for St Andrews and Great Yarmouth Borough Council. These are the numbers that decide what is realistic on your street, so we work from them rather than from national averages.

MeasureSt Andrews
Dwellings recorded2,470
Built pre-1900870 (35%)
Built 1900-1918320 (13%)
Built 1919-1929110 (4%)
Built 1930-1939430 (17%)
Built 1945-195450 (2%)
Built 1955-1964150 (6%)
Built 1965-197240 (2%)
Built 1973-198290 (4%)
Built 1983-199250 (2%)
Built 1993-1999130 (5%)
Built 2000-2008110 (4%)
Built before 191948%
Built 1919–193922%
Built 1945–200825%
Conservation areas in St Andrews2 (No.17 Gorleston Conservation Area Extensions, No.6 Gorleston Town Centre)
Conservation areas district-wide23
Article 4 directions recorded18
Householder applications decided153
Householder applications granted92%
Decided within 8 weeks69%

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 Great Yarmouth Borough Council's own, from MHCLG live table PS2 for the year to 31 March 2026.

Why a porch is judged on the St Andrews street, not the plan

A porch is the smallest thing most people build and the most visible. It sits on the principal elevation, so Great Yarmouth Borough Council reads it against the rhythm of the whole street rather than against your own house alone. St Andrews is largely Victorian and earlier houses (35% of 2,470 homes), 1930s semi-detached and detached houses (17%) and Edwardian houses (13%), 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 St Andrews 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 St Andrews's conservation areas — No.17 Gorleston Conservation Area Extensions and No.6 Gorleston Town Centre among them — a porch is assessed on materials, roof form and how the door surround is treated. Great Yarmouth Borough Council has 18 recorded Article 4 directions — check the address before assuming PD applies in St Andrews.

Porch design drawing prepared for a St Andrews house frontage

Does a porch need planning permission in St Andrews?

Most modest porches are permitted development. You will need to apply to Great Yarmouth Borough 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 No.17 Gorleston Conservation Area Extensions and No.6 Gorleston Town Centre, where frontage changes are controlled
  • The building is listed — listed building consent is required whatever the size
  • An Article 4 direction applies to your street — Great Yarmouth Borough Council operates directions that can remove this right
  • The porch encloses a shared entrance to flats rather than a single house

St Andrews porch decisions — live from council data

Below is Great Yarmouth Borough Council's real householder decision record, drawn from official planning statistics and refreshed as new data lands. Great Yarmouth Borough Council granted 92% of its householder applications in the year to 31 March 2026, and No.17 Gorleston Conservation Area Extensions 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.

92%householder applications approved in Great Yarmouth
87%national average — Great Yarmouth is 5 points above the national average

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What porches get approved across St Andrews

Across No.17 Gorleston Conservation Area Extensions and No.6 Gorleston Town Centre, 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 victorian and earlier houses (35% of 2,470 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.

St Andrews contains No.17 Gorleston Conservation Area Extensions, No.6 Gorleston Town Centre conservation areas (No.17 Gorleston Conservation Area Extensions designated 2009), 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 St Andrews

Porch drawings across St Andrews

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

No.17 Gorleston Conservation Area Extensions

Porch drawings for No.17 Gorleston Conservation Area Extensions — conservation area designated in 2009 — dimensioned to the Class D limits and drawn to Great Yarmouth Borough Council's frontage guidance.

No.6 Gorleston Town Centre

Porch drawings for No.6 Gorleston Town Centre — conservation area designated in 1977 — dimensioned to the Class D limits and drawn to Great Yarmouth Borough Council's frontage guidance.

Is your St Andrews 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 Great Yarmouth Borough 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 St Andrews porch

A fixed process built around how Great Yarmouth Borough 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 St Andrews 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 Great Yarmouth Borough 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 Great Yarmouth Borough 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 Great Yarmouth Borough Council issues its decision.

Frequently asked questions

Do I need planning permission for a porch in St Andrews?

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 Great Yarmouth Borough Council. On designated land, and on listed buildings, the position is different and we check it before drawing. This applies to your St Andrews address specifically.

How is the 3 square metres measured on a St Andrews 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 St Andrews address specifically. Great Yarmouth Borough Council is the decision-maker.

What is the 2 metre highway rule for porches in St Andrews?

No part of a permitted-development porch may be within 2 metres of any boundary of the property that fronts a highway. In St Andrews 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. Great Yarmouth Borough Council is the decision-maker.

Can I build a porch in a St Andrews 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 Great Yarmouth Borough 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 No.17 Gorleston Conservation Area Extensions and No.6 Gorleston Town Centre we confirm the position on your specific address first. This applies to your St Andrews address specifically.

Does a porch need building regulations approval in St Andrews?

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 St Andrews address specifically. Great Yarmouth Borough Council is the decision-maker.

How long does Great Yarmouth Borough 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 St Andrews address specifically. Great Yarmouth Borough Council is the decision-maker.

How much do porch plans in St Andrews cost?

We quote each St Andrews 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 Great Yarmouth Borough Council approves. Call 020 7864 7245 to start.

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