Listed building consent drawings for Northgate & West Green — measured as existing, proposed in the same detail, and supported by a heritage statement that answers Crawley Borough Council's conservation officer on the terms the 1990 Act actually sets.
Crawley Borough Council granted 82% of the householder planning decisions it made in its latest published year — 5 points below the 87% England-wide householder average. Northgate & West Green contains Dyers Almshouses Conservation Area, St. Peters Conservation Area, Sunnymead Conservation Area conservation areas (Dyers Almshouses Conservation Area designated 1996), 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.
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. Northgate & West Green carries at least one Article 4 direction, and conservation areas including Dyers Almshouses Conservation Area, St. Peters Conservation Area and Sunnymead Conservation Area remove those rights outright, so we confirm your exact address before a line is drawn. A validated householder application in Northgate & West Green is determined against an 8-week statutory target.
Dyers Almshouses (conservation area designated in 1996), St. Peters (conservation area designated in 2022) and Sunnymead (conservation area designated in 2004) — these are the Northgate & West Green pockets our drawings cover most. Heritage designations here include Dyers Almshouses Conservation Area, St. Peters Conservation Area and Sunnymead Conservation Area. Crawley Borough Council weighs each proposal against Crawley Borough Council's development plan and the design policies it applies to householder applications, where the 5,720 homes here are 37% 1945-1954, 7% 1955-1964, 7% 1983-1992, which is what sets the realistic roof and rear-projection options. On roofs the borough is simple gabled and hipped roofs typical of early postwar building and shallow gabled roofs typical of that period's building, over early postwar houses (37% of 5,720 homes), late-1950s and early-1960s houses (7%) and 1980s estate houses (7%).
Northgate & West Green's designated heritage is specific, and it is the first thing we check against your address: Dyers Almshouses (conservation area designated in 1996), St. Peters (conservation area designated in 2022) and Sunnymead (conservation area designated in 2004). Inside those boundaries permitted development is curtailed and Crawley 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.
Crawley Borough Council has 19 recorded Article 4 directions, removing permitted development for painting the exterior — check the address before assuming PD applies in Northgate & West Green.
On stock, Northgate & West Green is early postwar houses (37% of 5,720 homes), late-1950s and early-1960s houses (7%) and 1980s estate houses (7%) — which is why simple gabled and hipped roofs typical of early postwar building and shallow gabled roofs typical of that period's building govern what a loft or rear projection can realistically be. Crawley Borough Council decided 122 householder applications in the latest published year and granted 82%, with 26% issued inside the eight-week target. Those are the numbers our drawings are prepared against.
The full build-period split for Northgate & West Green runs pre-1900 3% (170 homes), 1900-1918 3% (150 homes), 1919-1929 2% (100 homes), 1930-1939 5% (270 homes), 1945-1954 37% (2,100 homes), 1955-1964 7% (410 homes), 1965-1972 5% (270 homes), 1973-1982 3% (160 homes), 1983-1992 7% (410 homes), 1993-1999 6% (320 homes) and 2000-2008 7% (390 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.
Crawley Borough Council also decides for Southgate and Three Bridges, so a decision in Northgate & West Green 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 Aintree Road & Epsom Road, Arden Road, Ardingly Close and Beverley Mews. 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 Northgate & West Green and Crawley 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 | Northgate & West Green |
|---|---|
| Dwellings recorded | 5,720 |
| Built pre-1900 | 170 (3%) |
| Built 1900-1918 | 150 (3%) |
| Built 1919-1929 | 100 (2%) |
| Built 1930-1939 | 270 (5%) |
| Built 1945-1954 | 2,100 (37%) |
| Built 1955-1964 | 410 (7%) |
| Built 1965-1972 | 270 (5%) |
| Built 1973-1982 | 160 (3%) |
| Built 1983-1992 | 410 (7%) |
| Built 1993-1999 | 320 (6%) |
| Built 2000-2008 | 390 (7%) |
| Built before 1919 | 6% |
| Built 1919–1939 | 6% |
| Built 1945–2008 | 71% |
| Conservation areas in Northgate & West Green | 3 (Dyers Almshouses Conservation Area, St. Peters Conservation Area…) |
| Conservation areas district-wide | 13 |
| Article 4 directions recorded | 19 |
| Householder applications decided | 122 |
| Householder applications granted | 82% |
| Decided within 8 weeks | 26% |
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 Crawley Borough Council's own, from MHCLG live table PS2 for the year to 31 March 2026.
Listing protects the whole building, not the front elevation. Removing a partition, replacing a staircase balustrade, changing a floor finish, or lining a wall with insulation are all alterations to special interest, and all can require consent. That surprises owners far more often than the external rules do — and it is why the first deliverable on a listed project is an accurate record of what is there, not a proposal for what replaces it.
Northgate & West Green sits within an area of early postwar houses (37% of 5,720 homes), late-1950s and early-1960s houses (7%) and 1980s estate houses (7%), and its designated heritage includes Dyers Almshouses Conservation Area, St. Peters Conservation Area and Sunnymead Conservation Area. Conservation-area designation and listing are different things and frequently overlap: a listed house inside a conservation area needs consent for internal work under the listing, and is judged on its contribution to the wider area under the designation. We establish both before proposing anything.
Section 16(2) of the 1990 Act requires Crawley Borough Council to have special regard to the desirability of preserving the building, its setting and any features of special architectural or historic interest. In practice that means the drawings must show what is being lost as clearly as what is being gained, and the case for the intervention must be made on heritage terms rather than on convenience.
Consent from Crawley Borough Council is required for works affecting special interest. That commonly includes:
We survey the building as existing at a level of detail that lets a conservation officer see the fabric, then draw the proposal in the same detail alongside a heritage statement — so the decision is made on evidence rather than on assumption.
Below is Crawley Borough Council's real decision record, drawn from official planning statistics and refreshed as new data lands. Crawley Borough Council granted 82% of its householder applications in the year to 31 March 2026, and Dyers Almshouses Conservation Area shapes what is approved here. Listed applications are decided on the quality of the record and the justification, which is where most refusals actually originate.
Source: MHCLG planning application statistics (householder decisions, England, 1 April 2025 - 31 March 2026). Compare every borough on our London approval-rate league table.
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Across Dyers Almshouses, St. Peters and Sunnymead, the schemes that get consent tend to be reversible, legible and honest: new work that reads as new rather than as imitation, services routed in existing chases rather than cut into original fabric, and interventions concentrated in later or lower-significance parts of the building. Rear additions in a contemporary idiom are often accepted where a pastiche extension is refused.
Northgate & West Green contains Dyers Almshouses Conservation Area, St. Peters Conservation Area, Sunnymead Conservation Area conservation areas (Dyers Almshouses Conservation Area designated 1996), so materials, fenestration and roof form are assessed against the appraisal. Where planning permission is needed as well — for an extension, say — the two applications run in parallel and are usually determined together. We prepare them as a single coordinated set so the heritage case and the planning case do not contradict each other, which is a surprisingly common reason for a refusal on an otherwise sound scheme.
We prepare listed building consent packs across Northgate & West Green. A few of the areas where heritage work comes up most often:
Listed building consent drawings for Dyers Almshouses — conservation area designated in 1996 — surveyed as existing and drawn to the detail Crawley Borough Council's conservation officer needs.
Listed building consent drawings for St. Peters — conservation area designated in 2022 — surveyed as existing and drawn to the detail Crawley Borough Council's conservation officer needs.
Listed building consent drawings for Sunnymead — conservation area designated in 2004 — surveyed as existing and drawn to the detail Crawley Borough Council's conservation officer needs.
They are separate consents with different tests, and many projects need both.
| Consent | What it covers | Fee | Consequence of proceeding without it |
|---|---|---|---|
| Listed building consent | Works affecting special interest, internal and external | None | Criminal offence under section 9 of the 1990 Act |
| Planning permission | Development — extensions, outbuildings, use changes | Payable | Enforcement action; may become immune after 10 years |
| Conservation area consent context | Demolition and character in a designated area | Varies | Enforcement; prosecution for unauthorised demolition |
| Building regulations | Structure, fire, insulation, ventilation | Payable | Enforcement notice; problems on sale |
Sources: Planning (Listed Buildings and Conservation Areas) Act 1990, sections 7, 9 and 16(2); Town and Country Planning Act 1990.
A process built around what a conservation officer actually assesses.
Send us the address and the listing entry. We confirm grade, what the listing covers, whether curtilage structures are caught, and how Crawley Borough Council has treated comparable schemes.
We survey as existing in real detail — plans, elevations, sections and the features that carry the significance — because a proposal cannot be assessed against a record that does not exist.
We draw the proposal in matching detail and write the heritage statement that identifies significance, impact and justification in the terms section 16(2) requires.
We submit to Crawley Borough Council, engage with the conservation officer, and revise the drawings free until the decision is issued.
Frequently, yes. Listing covers the whole building, so removing a partition, altering a staircase, replacing joinery or re-plastering historic surfaces can all require consent from Crawley Borough Council. There is no internal exemption and no size threshold. The safe route is to establish what is significant before work is designed, which is what the measured survey is for. This applies to your Northgate & West Green address specifically.
Carrying out unauthorised works to a listed building is a criminal offence under section 9 of the Planning (Listed Buildings and Conservation Areas) Act 1990, and it does not become lawful with the passage of time the way some planning breaches do. Crawley Borough Council can require reinstatement. Where work has already happened, an application for retrospective consent is usually the right first step, and we can advise on it. This applies to your Northgate & West Green address specifically.
No. Listed building consent applications carry no application fee, which sometimes leads owners to assume the process is lighter than a planning application. It is not — the evidence expected is greater, because the decision rests on the effect on special interest rather than on amenity, and an under-documented submission is the most common cause of delay. This applies to your Northgate & West Green address specifically. Crawley Borough Council is the decision-maker.
If the work is also development — an extension, an outbuilding, a change of use — then yes, and the two applications run in parallel to Crawley Borough Council. Internal alterations usually need only listed building consent. Where both are required we prepare them as one coordinated set, because inconsistencies between the two submissions are a recurring reason for delay. This applies to your Northgate & West Green address specifically.
Sometimes, but rarely with modern units. Historic windows are often the single most significant surviving feature, and replacement is judged on the condition of the existing joinery and the accuracy of what replaces it — glazing bar profile, glass type, opening method and reveal depth all matter. Repair and secondary glazing are usually the route that gains consent, particularly inside designated areas such as Dyers Almshouses Conservation Area and St. Peters Conservation Area. This applies to your Northgate & West Green address specifically. Crawley Borough Council is the decision-maker.
The statutory target is eight weeks from validation for most applications, and thirteen for larger schemes. In practice the timetable is set by how complete the submission is: a conservation officer who has to ask what the existing fabric looks like will take longer than one who can see it. We submit a record that answers those questions upfront. This applies to your Northgate & West Green address specifically. Crawley Borough Council is the decision-maker.
We quote each Northgate & West Green listed project individually, because the survey effort depends entirely on the building's complexity and how much of the fabric the work touches, and send a fixed, no-obligation quote within one working day. It covers survey, drawings and heritage statement, with free revisions until Crawley Borough Council decides. Call 020 7864 7245 to start.
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