Dormer, hip-to-gable and mansard loft conversion drawings for St Andrews homes — prepared to Great Yarmouth Borough Council's design guidance, delivered in days and revised free until your decision lands, with a free approval-odds score first.
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%).
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.
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.
| Measure | St Andrews |
|---|---|
| Dwellings recorded | 2,470 |
| Built pre-1900 | 870 (35%) |
| Built 1900-1918 | 320 (13%) |
| Built 1919-1929 | 110 (4%) |
| Built 1930-1939 | 430 (17%) |
| Built 1945-1954 | 50 (2%) |
| Built 1955-1964 | 150 (6%) |
| Built 1965-1972 | 40 (2%) |
| Built 1973-1982 | 90 (4%) |
| Built 1983-1992 | 50 (2%) |
| Built 1993-1999 | 130 (5%) |
| Built 2000-2008 | 110 (4%) |
| Built before 1919 | 48% |
| Built 1919–1939 | 22% |
| Built 1945–2008 | 25% |
| Conservation areas in St Andrews | 2 (No.17 Gorleston Conservation Area Extensions, No.6 Gorleston Town Centre) |
| Conservation areas district-wide | 23 |
| Article 4 directions recorded | 18 |
| Householder applications decided | 153 |
| Householder applications granted | 92% |
| Decided within 8 weeks | 69% |
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.
St Andrews's roofs set the brief. The borough is built largely from Victorian and earlier houses (35% of 2,470 homes), 1930s semi-detached and detached houses (17%) and Edwardian houses (13%), and its lofts sit under steeply pitched slate roofs, valley gutters and party parapets typical of pre-1900 building and hipped roofs with shallow pitches typical of 1930s building — the geometry that decides whether a rear dormer, a hip-to-gable or a mansard gives you the headroom you want. Great Yarmouth Borough Council assesses loft proposals against Great Yarmouth Borough Council's adopted local plan and its householder design guidance, and its case officers read each roof against the pair next door and the wider street before they read the plans.
That makes drawing quality decisive. We measure ridge and eaves heights, roof pitch and the existing stair, calculate the added volume against the permitted-development limits exactly, and show the workings on the drawings so Great Yarmouth Borough Council can verify them. 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, so we resolve it on the page rather than leave it for the case officer to raise.
St Andrews also carries protected streets — No.17 Gorleston Conservation Area Extensions and No.6 Gorleston Town Centre among them. Great Yarmouth Borough Council has 18 recorded Article 4 directions — check the address before assuming PD applies in St Andrews. We check your address against those designations before a line is drawn.
Many St Andrews loft conversions proceed without planning permission — a rear dormer within the permitted-development volume limits (40 cubic metres on a terrace, 50 on a semi or detached house) is usually lawful. You will normally need a full application to Great Yarmouth Borough Council if any of these apply:
We draw the roof line, the ridge height and the neighbour's daylight on the page — the relationships Great Yarmouth Borough Council's officers check first — and submit a validation-complete pack, whether that is a lawful development certificate or a full householder application.
Below is Great Yarmouth Borough Council's real householder decision record, pulled from official planning statistics and updated 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. Professionally prepared loft drawings anticipate those pressure points before submission, which is why complete, policy-literate packs are decided faster and refused less often than DIY applications.
Source: MHCLG planning application statistics (householder decisions, England, 1 April 2025 - 31 March 2026). Compare every borough on our London approval-rate league table.
Tell us about your project and get a fixed, no-obligation quote back within one working day. If you don't need planning permission at all, we'll tell you that too — for free.
Across No.17 Gorleston Conservation Area Extensions and No.6 Gorleston Town Centre, the recurring loft is the rear dormer — a box across the back roof slope that turns a cramped attic into a full-height double bedroom and en-suite. On steeply pitched slate roofs, valley gutters and party parapets typical of pre-1900 building, that is usually the most efficient use of the roof; where the stock is hipped roofs with shallow pitches typical of 1930s building, a hip-to-gable followed by a rear dormer unlocks far more space, though it needs a full application.
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. We draw the dormer inside the volume allowance, keep the flat-roof build-up below the ridge, and set the face back from the eaves as the rules require — so the pack answers Great Yarmouth Borough Council's questions before they are asked. Where permitted-development rights are exhausted or removed, we prepare a householder application composed to the borough's roof-alteration guidance instead.
We draw loft conversions on every street in the borough. A few of the neighbourhoods where St Andrews roofs come up most often:
Loft conversion drawings for No.17 Gorleston Conservation Area Extensions's conservation area designated in 2009 — measured, volume-checked and drawn to Great Yarmouth Borough Council's guidance.
Loft conversion drawings for No.6 Gorleston Town Centre's conservation area designated in 1977 — measured, volume-checked and drawn to Great Yarmouth Borough Council's guidance.
The right loft in St Andrews depends on your roof. This is how the main types compare on planning route and the space they add.
| Loft type | Permitted development? | Space & headroom | What Great Yarmouth Borough Council checks |
|---|---|---|---|
| Rear dormer | Usually yes, within volume limits | Full-height double room at the back | Volume, set-back from eaves, ridge height |
| Hip-to-gable | No — full application | Extends the whole side of the roof | Roof bulk and the symmetry of the pair |
| Mansard | No — full application | Maximum floor area across the roof | Street character, especially in conservation areas |
| Rooflights only | Usually yes (Class C) | Light and headroom, no extra footprint | Whether rooflights sit within the existing slope |
Route depends on your street — conservation areas such as No.17 Gorleston Conservation Area Extensions and No.6 Gorleston Town Centre and Article 4 directions can remove permitted-development rights.
A fixed process built around how Great Yarmouth Borough Council validates and decides householder loft applications — most drawings are submission-ready within seven days of survey.
Tell us your St Andrews postcode and roof type. We confirm your conservation and Article 4 status, how much permitted-development volume you have left, and score your odds against live Great Yarmouth Borough Council decisions.
We measure ridge and eaves heights, roof pitch, joist levels and the existing stair — the numbers the volume calculation and head heights depend on.
Chartered designers develop the dormer, hip-to-gable or mansard to your brief, drawn inside the Class B limits or to Great Yarmouth Borough Council's roof-alteration guidance.
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.
Often not. A rear dormer within 40 cubic metres on a terrace, or 50 on a semi-detached or detached house, set back from the eaves and no higher than the ridge, is usually permitted development. In St Andrews the main exceptions are hip-to-gable conversions, dormers visible from the highway, and homes in conservation areas such as No.17 Gorleston Conservation Area Extensions and No.6 Gorleston Town Centre or on streets with an Article 4 direction. Great Yarmouth Borough Council is the decision-maker.
Generally no. In conservation areas including No.17 Gorleston Conservation Area Extensions and No.6 Gorleston Town Centre, Class B permitted-development rights for lofts are removed, so a rear dormer that would be lawful elsewhere needs a full application to Great Yarmouth Borough Council. Great Yarmouth Borough Council has 18 recorded Article 4 directions — check the address before assuming PD applies in St Andrews. We check your exact address before drawing.
On steeply pitched slate roofs, valley gutters and party parapets typical of pre-1900 building, common across St Andrews, a rear dormer is usually the most efficient conversion and often permitted development. Where the roof is hipped roofs with shallow pitches typical of 1930s building, a hip-to-gable followed by a rear dormer gains far more usable space but needs planning permission. Our survey confirms which your roof supports before we draw. Great Yarmouth Borough Council is the decision-maker.
A householder planning application in St Andrews runs to a statutory eight-week target, and a lawful development certificate to eight weeks as well, though validation can add time if the pack is incomplete. We submit validation-complete drawings and manage case-officer queries to keep the decision on track. Great Yarmouth Borough Council is the decision-maker.
If your dormer is permitted development, a lawful development certificate from Great Yarmouth Borough Council is council-stamped proof of that — worth having, because every buyer's solicitor will ask for it when you sell. We prepare and submit the certificate application with the same drawing pack. This applies to your St Andrews address specifically.
Every roof is different, so we quote each St Andrews project individually — a fixed, no-obligation price back within one working day. The quote covers the full drawing pack with free revisions until Great Yarmouth Borough Council approves, and we tell you upfront whether your loft qualifies as permitted development. Call 020 7864 7245 to start.
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Same fixed quotes, same fast drawings — wherever your project is.