Dormer, hip-to-gable and mansard loft conversion drawings for Crowborough North homes — prepared to Wealden District Council's design guidance, delivered in days and revised free until your decision lands, with a free approval-odds score first.
Wealden District Council granted 88% of the householder planning decisions it made in its latest published year — 1 point above the 87% England-wide householder average. Crowborough North contains the Crowborough Conservation Area conservation area (Crowborough Conservation Area designated 2017), 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.
The permitted-development ceilings are fixed: 40m³ of new roof volume for a terraced loft and 50m³ for a semi or detached house under Class B, plus a 3m single-storey rear extension on a terrace or 4m on a detached house under Class A. In conservation areas such as Crowborough Conservation Area those rights are removed, so we confirm your exact address before a line is drawn. A validated householder application in Crowborough North is determined against an 8-week statutory target.
Crowborough (conservation area designated in 2017) and Crowborough (civil parish within Crowborough North) — these are the Crowborough North pockets our drawings cover most. Heritage designations here include Crowborough Conservation Area. Wealden District Council weighs each proposal against Wealden District Council's adopted local plan and its householder design guidance, where the 2,740 homes here are 12% 1965-1972, 11% 1973-1982, 10% 1955-1964, 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 trussed roofs typical of 1970s building, over late-1960s and early-1970s houses (12% of 2,740 homes), 1970s and early-1980s houses (11%) and late-1950s and early-1960s houses (10%).
Before anything is drawn we check your address against the designations that apply in Crowborough North: Crowborough (conservation area designated in 2017). Inside those boundaries permitted development is curtailed and Wealden District 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, Crowborough North takes in Crowborough. No Article 4 direction is recorded for Wealden District Council, but Crowborough North's 1 conservation area still limit permitted development on those streets.
On stock, Crowborough North is late-1960s and early-1970s houses (12% of 2,740 homes), 1970s and early-1980s houses (11%) and late-1950s and early-1960s houses (10%) — which is why shallow-pitched roofs and integral garages typical of that period's building and shallow trussed roofs typical of 1970s building govern what a loft or rear projection can realistically be. Wealden District Council decided 721 householder applications in the latest published year and granted 88%, with 69% issued inside the eight-week target. That decision record, not a national figure, is what we design to.
The full build-period split for Crowborough North runs pre-1900 7% (180 homes), 1900-1918 7% (190 homes), 1919-1929 3% (90 homes), 1930-1939 7% (200 homes), 1945-1954 3% (80 homes), 1955-1964 10% (270 homes), 1965-1972 12% (330 homes), 1973-1982 11% (300 homes), 1983-1992 9% (250 homes), 1993-1999 6% (160 homes) and 2000-2008 7% (180 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.
Wealden District Council also decides for Arlington, Danehill & Fletching, Frant & Wadhurst, Hailsham Central, Hartfield, Hellingly, Horam & Punnetts Town and Mayfield & Five Ashes, so a decision in Crowborough North 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 Crowborough North and Wealden District Council. These are the numbers that decide what is realistic on your street, so we work from them rather than from national averages.
| Measure | Crowborough North |
|---|---|
| Dwellings recorded | 2,740 |
| Built pre-1900 | 180 (7%) |
| Built 1900-1918 | 190 (7%) |
| Built 1919-1929 | 90 (3%) |
| Built 1930-1939 | 200 (7%) |
| Built 1945-1954 | 80 (3%) |
| Built 1955-1964 | 270 (10%) |
| Built 1965-1972 | 330 (12%) |
| Built 1973-1982 | 300 (11%) |
| Built 1983-1992 | 250 (9%) |
| Built 1993-1999 | 160 (6%) |
| Built 2000-2008 | 180 (7%) |
| Built before 1919 | 14% |
| Built 1919–1939 | 11% |
| Built 1945–2008 | 57% |
| Conservation areas in Crowborough North | 1 (Crowborough Conservation Area) |
| Conservation areas district-wide | 33 |
| Article 4 directions recorded | 0 |
| Householder applications decided | 721 |
| Householder applications granted | 88% |
| 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 Wealden District Council's own, from MHCLG live table PS2 for the year to 31 March 2026.
Crowborough North's roofs set the brief. The borough is built largely from late-1960s and early-1970s houses (12% of 2,740 homes), 1970s and early-1980s houses (11%) and late-1950s and early-1960s houses (10%), and its lofts sit under shallow-pitched roofs and integral garages typical of that period's building and shallow trussed roofs typical of 1970s building — the geometry that decides whether a rear dormer, a hip-to-gable or a mansard gives you the headroom you want. Wealden District Council assesses loft proposals against Wealden District 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 Wealden District Council can verify them. Crowborough North contains the Crowborough Conservation Area conservation area (Crowborough Conservation Area designated 2017), 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.
Crowborough North also carries protected streets — Crowborough Conservation Area among them. No Article 4 direction is recorded for Wealden District Council, but Crowborough North's 1 conservation area still limit permitted development on those streets. We check your address against those designations before a line is drawn.
Many Crowborough North 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 Wealden District Council if any of these apply:
We draw the roof line, the ridge height and the neighbour's daylight on the page — the relationships Wealden District 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 Wealden District Council's real householder decision record, pulled from official planning statistics and updated as new data lands. Wealden District Council granted 88% of its householder applications in the year to 31 March 2026, and Crowborough Conservation Area 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 Crowborough and Crowborough, 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-pitched roofs and integral garages typical of that period's building, that is usually the most efficient use of the roof; where the stock is shallow trussed roofs typical of 1970s building, a hip-to-gable followed by a rear dormer unlocks far more space, though it needs a full application.
The 2,740 homes here are 12% 1965-1972, 11% 1973-1982, 10% 1955-1964, 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 Wealden District 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 Crowborough North roofs come up most often:
Loft conversion drawings for Crowborough's conservation area designated in 2017 — measured, volume-checked and drawn to Wealden District Council's guidance.
Loft conversion drawings for Crowborough's civil parish within Crowborough North — measured, volume-checked and drawn to Wealden District Council's guidance.
The right loft in Crowborough North 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 Wealden District 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 Crowborough Conservation Area and Article 4 directions can remove permitted-development rights.
A fixed process built around how Wealden District Council validates and decides householder loft applications — most drawings are submission-ready within seven days of survey.
Tell us your Crowborough North 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 Wealden District 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 Wealden District Council's roof-alteration guidance.
We submit the certificate or application, manage validation and case-officer queries, and revise the drawings free until Wealden District 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 Crowborough North the main exceptions are hip-to-gable conversions, dormers visible from the highway, and homes in conservation areas such as Crowborough Conservation Area or on streets with an Article 4 direction. Wealden District Council is the decision-maker.
Generally no. In conservation areas including Crowborough Conservation Area, Class B permitted-development rights for lofts are removed, so a rear dormer that would be lawful elsewhere needs a full application to Wealden District Council. No Article 4 direction is recorded for Wealden District Council, but Crowborough North's 1 conservation area still limit permitted development on those streets. We check your exact address before drawing.
On shallow-pitched roofs and integral garages typical of that period's building, common across Crowborough North, a rear dormer is usually the most efficient conversion and often permitted development. Where the roof is shallow trussed roofs typical of 1970s 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. Wealden District Council is the decision-maker.
A householder planning application in Crowborough North 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. Wealden District Council is the decision-maker.
If your dormer is permitted development, a lawful development certificate from Wealden District 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 Crowborough North address specifically.
Every roof is different, so we quote each Crowborough North project individually — a fixed, no-obligation price back within one working day. The quote covers the full drawing pack with free revisions until Wealden District 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.