Dormer, hip-to-gable and mansard loft conversion drawings for Wigan homes — prepared to Wigan Council's design guidance, delivered in days and revised free until your decision lands, with a free approval-odds score first.
Wigan Council granted 89% of the householder planning decisions it made in its latest published year — 2 points above the 87% England-wide householder average. A large share of the borough is Green Belt, so extension and outbuilding scale is tightly held on affected plots away from the urban cores, which is where a policy-literate drawing pack earns its keep. Its dominant Victorian (1837–1901), Edwardian (1901–1910), interwar (1918–1939) and postwar (1945–1970) housing stock sets the design brief on most streets.
Class A and Class B set the thresholds — a rear dormer to 40m³ on a terrace or 50m³ on a semi or detached, and a single-storey rear extension to 3m on a terrace or 4m on a detached house — beyond which Wigan Council needs a full application. Wigan carries at least one Article 4 direction, and conservation areas including Wigan Town Centre, Wigan Pier and Standish remove those rights outright, so we confirm your exact address before a line is drawn. A validated householder application in Wigan is determined against an 8-week statutory target.
Standish (affluent commuter village with a conservation-area core mixing stone and brick with modern estates), Leigh (former cotton and mining town with canal heritage, dense terraces and a town-centre conservation area), Ashton-in-Makerfield (southern coalfield town of brick terraces and interwar suburban growth), Hindley (mining township of terraced streets with a town-centre conservation area), Tyldesley (former mill and mining town of brick terraces with a town-centre conservation area) and Haigh (semi-rural estate village adjoining Haigh Woodland Park with protected historic character) — these are the Wigan pockets our drawings cover most. Heritage designations here include Wigan Town Centre, Wigan Pier, Standish, Haigh Village, Leigh Town Centre and Tyldesley Town Centre. Wigan Council weighs each proposal against Places for Everyone (the Greater Manchester joint plan, effective March 2024) alongside the Wigan Local Plan Core Strategy and the emerging district Local Plan, where the former coalfield legacy of the Wigan Flashes and low-lying mossland brings ground-stability, contamination and ecology constraints to development sites. Converted terraced flats occur across the town centres of Wigan and Leigh, and those units carry no householder permitted-development rights.. On roofs the borough is Welsh slate on the Victorian and Edwardian brick terraces and interlocking concrete tile on the interwar and post-war semis, over Victorian and Edwardian coalfield and millworkers' red-brick terraces, interwar semis and council-estate housing and older stone cores in the estate villages.
Wigan's roofs set the brief. The borough is built largely from Victorian and Edwardian coalfield and millworkers' red-brick terraces, interwar semis and council-estate housing and older stone cores in the estate villages, and its lofts sit under Welsh slate on the Victorian and Edwardian brick terraces and interlocking concrete tile on the interwar and post-war semis — the geometry that decides whether a rear dormer, a hip-to-gable or a mansard gives you the headroom you want. Wigan Council assesses loft proposals against Places for Everyone (the Greater Manchester joint plan, effective March 2024) alongside the Wigan Local Plan Core Strategy and the emerging district Local Plan, 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 Wigan Council can verify them. A large share of the borough is Green Belt, so extension and outbuilding scale is tightly held on affected plots away from the urban cores, so we resolve it on the page rather than leave it for the case officer to raise.
Wigan also carries protected streets — Wigan Town Centre, Wigan Pier, Standish, Haigh Village, Leigh Town Centre and Tyldesley Town Centre among them. Wigan's borough-wide Article 4 direction, in force from August 2025, removes permitted-development rights for the change of use from a house (C3) to a small HMO (C4), so all new HMOs now need planning permission, and localised conservation-area directions add further householder controls. We check your address against those designations before a line is drawn.
Many Wigan 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 Wigan Council if any of these apply:
We draw the roof line, the ridge height and the neighbour's daylight on the page — the relationships Wigan 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 Wigan Council's real householder decision record, pulled from official planning statistics and updated as new data lands. Wigan approves close to nine in ten planning applications, with its extensive Green Belt, former-coalfield ground conditions and canal-side conservation areas the main constraints on householder schemes. 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 Standish, Leigh and Ashton-in-Makerfield, 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 Welsh slate on the Victorian and Edwardian brick terraces, that is usually the most efficient use of the roof; where the stock is interlocking concrete tile on the interwar and post-war semis, a hip-to-gable followed by a rear dormer unlocks far more space, though it needs a full application.
The former coalfield legacy of the Wigan Flashes and low-lying mossland brings ground-stability, contamination and ecology constraints to development sites. 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 Wigan 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 Wigan roofs come up most often:
Loft conversion drawings for Standish's affluent commuter village with a conservation-area core mixing stone and brick with modern estates — measured, volume-checked and drawn to Wigan Council's guidance.
Loft conversion drawings for Leigh's former cotton and mining town with canal heritage, dense terraces and a town-centre conservation area — measured, volume-checked and drawn to Wigan Council's guidance.
Loft conversion drawings for Ashton-in-Makerfield's southern coalfield town of brick terraces and interwar suburban growth — measured, volume-checked and drawn to Wigan Council's guidance.
Loft conversion drawings for Hindley's mining township of terraced streets with a town-centre conservation area — measured, volume-checked and drawn to Wigan Council's guidance.
Loft conversion drawings for Tyldesley's former mill and mining town of brick terraces with a town-centre conservation area — measured, volume-checked and drawn to Wigan Council's guidance.
Loft conversion drawings for Haigh's semi-rural estate village adjoining Haigh Woodland Park with protected historic character — measured, volume-checked and drawn to Wigan Council's guidance.
The right loft in Wigan 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 Wigan 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 Wigan Town Centre and Wigan Pier and Article 4 directions can remove permitted-development rights.
A fixed process built around how Wigan Council validates and decides householder loft applications — most drawings are submission-ready within seven days of survey.
Tell us your Wigan 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 Wigan 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 Wigan Council's roof-alteration guidance.
We submit the certificate or application, manage validation and case-officer queries, and revise the drawings free until Wigan 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 Wigan the main exceptions are hip-to-gable conversions, dormers visible from the highway, and homes in conservation areas such as Wigan Town Centre and Wigan Pier or on streets with an Article 4 direction. Wigan Council is the decision-maker.
Generally no. In conservation areas including Wigan Town Centre and Wigan Pier, Class B permitted-development rights for lofts are removed, so a rear dormer that would be lawful elsewhere needs a full application to Wigan Council. Wigan's borough-wide Article 4 direction, in force from August 2025, removes permitted-development rights for the change of use from a house (C3) to a small HMO (C4), so all new HMOs now need planning permission, and localised conservation-area directions add further householder controls. We check your exact address before drawing.
On Welsh slate on the Victorian and Edwardian brick terraces, common across Wigan, a rear dormer is usually the most efficient conversion and often permitted development. Where the roof is interlocking concrete tile on the interwar and post-war semis, 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. Wigan Council is the decision-maker.
A householder planning application in Wigan 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. Wigan Council is the decision-maker.
If your dormer is permitted development, a lawful development certificate from Wigan 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.
Every roof is different, so we quote each Wigan project individually — a fixed, no-obligation price back within one working day. The quote covers the full drawing pack with free revisions until Wigan Council approves, and we tell you upfront whether your loft qualifies as permitted development. Call 020 7864 7245 to start.
Answer five quick questions and get a free planning score for your exact address — instantly. Then, if you want the full picture, unlock the detailed analysis: your council's live approval rates, local precedents, constraints on your street and a step-by-step route to permission.
Same fixed quotes, same fast drawings — wherever your project is.