Dormer, hip-to-gable and mansard loft conversion drawings for Wolds homes — prepared to North East Lincolnshire Council's design guidance, delivered in days and revised free until your decision lands, with a free approval-odds score first.
North East Lincolnshire Council granted 97% of the householder planning decisions it made in its latest published year — 10 points above the 87% England-wide householder average. Wolds contains Cottagers Plot, Irby upon Humber, Laceby conservation areas (Cottagers Plot designated 1977), 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) and 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 Cottagers Plot, Irby upon Humber and Laceby those rights are removed, so we confirm your exact address before a line is drawn. A validated householder application in Wolds is determined against an 8-week statutory target.
Cottagers Plot (conservation area designated in 1977), Irby upon Humber (designated conservation area), Laceby (conservation area designated in 1977), Hatcliffe (civil parish within Wolds), Hawerby cum Beesby (civil parish within Wolds), Healing (civil parish within Wolds), Irby (civil parish within Wolds), Laceby (civil parish within Wolds) and West Ravendale (civil parish within Wolds) — these are the Wolds pockets our drawings cover most. Heritage designations here include Cottagers Plot, Irby upon Humber and Laceby. North East Lincolnshire Council weighs each proposal against the adopted North East Lincolnshire local plan and North East Lincolnshire Council's design guidance for householder work, where the 3,570 homes here are 17% 1955-1964, 13% 2000-2008, 9% pre-1900, which is what sets the realistic roof and rear-projection options. On roofs the borough is shallow gabled roofs typical of that period's building and trussed-rafter roofs typical of 2000s building, over late-1950s and early-1960s houses (17% of 3,570 homes), 2000s houses and apartments (13%) and Victorian and earlier houses (9%).
What is permitted in Wolds turns on designation first, so that is where we start: Cottagers Plot (conservation area designated in 1977), Irby upon Humber (designated conservation area) and Laceby (conservation area designated in 1977). Inside those boundaries permitted development is curtailed and North East Lincolnshire 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.
Beyond the designated areas, Wolds takes in Hatcliffe, Hawerby cum Beesby, Healing, Irby, Laceby and West Ravendale. No Article 4 direction is recorded for North East Lincolnshire Council, but Wolds's 3 conservation areas still limit permitted development on those streets.
On stock, Wolds is late-1950s and early-1960s houses (17% of 3,570 homes), 2000s houses and apartments (13%) and Victorian and earlier houses (9%) — which is why shallow gabled roofs typical of that period's building and trussed-rafter roofs typical of 2000s building govern what a loft or rear projection can realistically be. North East Lincolnshire Council decided 196 householder applications in the latest published year and granted 97%, with 64% issued inside the eight-week target. We draw to that record rather than to a national average.
The full build-period split for Wolds runs pre-1900 9% (310 homes), 1900-1918 4% (140 homes), 1919-1929 6% (200 homes), 1930-1939 3% (90 homes), 1945-1954 3% (120 homes), 1955-1964 17% (590 homes), 1965-1972 8% (290 homes), 1973-1982 8% (280 homes), 1983-1992 4% (150 homes), 1993-1999 8% (290 homes) and 2000-2008 13% (470 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.
North East Lincolnshire Council also decides for Croft Baker, East Marsh, Waltham and West Marsh, so a decision in Wolds 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.
Published figures for Wolds and North East Lincolnshire Council. These are the numbers that decide what is realistic on your street, so we work from them rather than from national averages.
| Measure | Wolds |
|---|---|
| Dwellings recorded | 3,570 |
| Built pre-1900 | 310 (9%) |
| Built 1900-1918 | 140 (4%) |
| Built 1919-1929 | 200 (6%) |
| Built 1930-1939 | 90 (3%) |
| Built 1945-1954 | 120 (3%) |
| Built 1955-1964 | 590 (17%) |
| Built 1965-1972 | 290 (8%) |
| Built 1973-1982 | 280 (8%) |
| Built 1983-1992 | 150 (4%) |
| Built 1993-1999 | 290 (8%) |
| Built 2000-2008 | 470 (13%) |
| Built before 1919 | 13% |
| Built 1919–1939 | 8% |
| Built 1945–2008 | 61% |
| Conservation areas in Wolds | 3 (Cottagers Plot, Irby upon Humber…) |
| Conservation areas district-wide | 17 |
| Article 4 directions recorded | 0 |
| Householder applications decided | 196 |
| Householder applications granted | 97% |
| Decided within 8 weeks | 64% |
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 North East Lincolnshire Council's own, from MHCLG live table PS2 for the year to 31 March 2026.
Wolds's roofs set the brief. The borough is built largely from late-1950s and early-1960s houses (17% of 3,570 homes), 2000s houses and apartments (13%) and Victorian and earlier houses (9%), and its lofts sit under shallow gabled roofs typical of that period's building and trussed-rafter roofs typical of 2000s building — the geometry that decides whether a rear dormer, a hip-to-gable or a mansard gives you the headroom you want. North East Lincolnshire Council assesses loft proposals against the adopted North East Lincolnshire local plan and North East Lincolnshire Council's design guidance for householder work, 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 North East Lincolnshire Council can verify them. Wolds contains Cottagers Plot, Irby upon Humber, Laceby conservation areas (Cottagers Plot designated 1977), 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.
Wolds also carries protected streets — Cottagers Plot, Irby upon Humber and Laceby among them. No Article 4 direction is recorded for North East Lincolnshire Council, but Wolds's 3 conservation areas still limit permitted development on those streets. We check your address against those designations before a line is drawn.
Many Wolds 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 North East Lincolnshire Council if any of these apply:
We draw the roof line, the ridge height and the neighbour's daylight on the page — the relationships North East Lincolnshire 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 North East Lincolnshire Council's real householder decision record, pulled from official planning statistics and updated as new data lands. North East Lincolnshire Council granted 97% of its householder applications in the year to 31 March 2026, and Cottagers Plot 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 Cottagers Plot, Irby upon Humber and Laceby, 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 shallow gabled roofs typical of that period's building, that is usually the most efficient use of the roof; where the stock is trussed-rafter roofs typical of 2000s building, a hip-to-gable followed by a rear dormer unlocks far more space, though it needs a full application.
The 3,570 homes here are 17% 1955-1964, 13% 2000-2008, 9% pre-1900, 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 North East Lincolnshire 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 Wolds roofs come up most often:
Loft conversion drawings for Cottagers Plot's conservation area designated in 1977 — measured, volume-checked and drawn to North East Lincolnshire Council's guidance.
Loft conversion drawings for Irby upon Humber's designated conservation area — measured, volume-checked and drawn to North East Lincolnshire Council's guidance.
Loft conversion drawings for Laceby's conservation area designated in 1977 — measured, volume-checked and drawn to North East Lincolnshire Council's guidance.
Loft conversion drawings for Hatcliffe's civil parish within Wolds — measured, volume-checked and drawn to North East Lincolnshire Council's guidance.
Loft conversion drawings for Hawerby cum Beesby's civil parish within Wolds — measured, volume-checked and drawn to North East Lincolnshire Council's guidance.
Loft conversion drawings for Healing's civil parish within Wolds — measured, volume-checked and drawn to North East Lincolnshire Council's guidance.
The right loft in Wolds 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 North East Lincolnshire 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 Cottagers Plot and Irby upon Humber and Article 4 directions can remove permitted-development rights.
A fixed process built around how North East Lincolnshire Council validates and decides householder loft applications — most drawings are submission-ready within seven days of survey.
Tell us your Wolds 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 North East Lincolnshire 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 North East Lincolnshire Council's roof-alteration guidance.
We submit the certificate or application, manage validation and case-officer queries, and revise the drawings free until North East Lincolnshire 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 Wolds the main exceptions are hip-to-gable conversions, dormers visible from the highway, and homes in conservation areas such as Cottagers Plot and Irby upon Humber or on streets with an Article 4 direction. North East Lincolnshire Council is the decision-maker.
Generally no. In conservation areas including Cottagers Plot and Irby upon Humber, Class B permitted-development rights for lofts are removed, so a rear dormer that would be lawful elsewhere needs a full application to North East Lincolnshire Council. No Article 4 direction is recorded for North East Lincolnshire Council, but Wolds's 3 conservation areas still limit permitted development on those streets. We check your exact address before drawing.
On shallow gabled roofs typical of that period's building, common across Wolds, a rear dormer is usually the most efficient conversion and often permitted development. Where the roof is trussed-rafter roofs typical of 2000s 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. North East Lincolnshire Council is the decision-maker.
A householder planning application in Wolds 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. North East Lincolnshire Council is the decision-maker.
If your dormer is permitted development, a lawful development certificate from North East Lincolnshire 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 Wolds address specifically.
Every roof is different, so we quote each Wolds project individually — a fixed, no-obligation price back within one working day. The quote covers the full drawing pack with free revisions until North East Lincolnshire 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.