The fast route to a deep single-storey rear extension in Staplehurst — up to 6 metres on an attached house or 8 on a detached one — via Maidstone Borough Council's prior approval scheme rather than a full planning application.
Maidstone Borough Council granted 91% of the householder planning decisions it made in its latest published year — 4 points above the 87% England-wide householder average. Staplehurst contains Staplehurst, Staplehurst Extension, Staplehurst Southern Extension conservation areas (Staplehurst designated 1974), 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.
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. Staplehurst carries at least one Article 4 direction, and conservation areas including Staplehurst, Staplehurst Extension and Staplehurst Southern Extension remove those rights outright, so we confirm your exact address before a line is drawn. A validated householder application in Staplehurst is determined against an 8-week statutory target.
Staplehurst (conservation area designated in 1974), Staplehurst Extension (conservation area designated in 1987) and Staplehurst Southern Extension (conservation area designated in 2024) — these are the Staplehurst pockets our drawings cover most. Heritage designations here include Staplehurst, Staplehurst Extension and Staplehurst Southern Extension. Maidstone Borough Council weighs each proposal against Maidstone Borough Council's development plan and the design policies it applies to householder applications, where the 3,190 homes here are 17% 1973-1982, 16% 1955-1964, 13% pre-1900, which is what sets the realistic roof and rear-projection options. On roofs the borough is shallow trussed roofs typical of 1970s building and shallow gabled roofs typical of that period's building, over 1970s and early-1980s houses (17% of 3,190 homes), late-1950s and early-1960s houses (16%) and Victorian and earlier houses (13%).
Before anything is drawn we check your address against the designations that apply in Staplehurst: Staplehurst (conservation area designated in 1974), Staplehurst Extension (conservation area designated in 1987) and Staplehurst Southern Extension (conservation area designated in 2024). Inside those boundaries permitted development is curtailed and Maidstone 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.
Maidstone Borough Council has 84 recorded Article 4 directions — check the address before assuming PD applies in Staplehurst.
On stock, Staplehurst is 1970s and early-1980s houses (17% of 3,190 homes), late-1950s and early-1960s houses (16%) and Victorian and earlier houses (13%) — which is why shallow trussed roofs typical of 1970s building and shallow gabled roofs typical of that period's building govern what a loft or rear projection can realistically be. Maidstone Borough Council decided 536 householder applications in the latest published year and granted 91%, with 81% issued inside the eight-week target. That decision record, not a national figure, is what we design to.
The full build-period split for Staplehurst runs pre-1900 13% (410 homes), 1900-1918 2% (50 homes), 1919-1929 1% (20 homes), 1930-1939 1% (20 homes), 1945-1954 3% (110 homes), 1955-1964 16% (510 homes), 1965-1972 13% (400 homes), 1973-1982 17% (530 homes), 1983-1992 3% (80 homes), 1993-1999 3% (90 homes) and 2000-2008 4% (140 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.
Maidstone Borough Council also decides for Barming Heath & Teston, Bearsted & Downswood, Boxley Downs, Coxheath & Farleigh, High Street, Leeds & Langley, Loose & Linton and Marden & Yalding, so a decision in Staplehurst 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 29 Albion Place, 62 Earl Street, 66 Earl Street and 70-72 King Street,. 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 Staplehurst and Maidstone 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 | Staplehurst |
|---|---|
| Dwellings recorded | 3,190 |
| Built pre-1900 | 410 (13%) |
| Built 1900-1918 | 50 (2%) |
| Built 1919-1929 | 20 (1%) |
| Built 1930-1939 | 20 (1%) |
| Built 1945-1954 | 110 (3%) |
| Built 1955-1964 | 510 (16%) |
| Built 1965-1972 | 400 (13%) |
| Built 1973-1982 | 530 (17%) |
| Built 1983-1992 | 80 (3%) |
| Built 1993-1999 | 90 (3%) |
| Built 2000-2008 | 140 (4%) |
| Built before 1919 | 14% |
| Built 1919–1939 | 1% |
| Built 1945–2008 | 58% |
| Conservation areas in Staplehurst | 3 (Staplehurst, Staplehurst Extension…) |
| Conservation areas district-wide | 53 |
| Article 4 directions recorded | 84 |
| Householder applications decided | 536 |
| Householder applications granted | 91% |
| Decided within 8 weeks | 81% |
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 Maidstone Borough Council's own, from MHCLG live table PS2 for the year to 31 March 2026.
The ordinary Class A limits stop a single-storey rear extension at 3 metres on an attached house and 4 on a detached one. The larger home extension scheme doubles both, on condition that the council is told first. That notification is not an application for permission — the council cannot refuse on design, materials or policy grounds. It can only consider the effect on the amenity of adjoining premises, and only if a neighbour actually objects during the 21-day consultation.
The other conditions still apply and are strict: single storey only, no higher than 4 metres, eaves no higher than the existing eaves, and no more than half the land around the original house covered. It is not available on designated land, so a house in a conservation area such as Staplehurst and Staplehurst Extension cannot use it at all. Materials must be similar to the existing house, and the extension must not include a veranda, balcony or raised platform.
Staplehurst is largely 1970s and early-1980s houses (17% of 3,190 homes), late-1950s and early-1960s houses (16%) and Victorian and earlier houses (13%). Staplehurst contains Staplehurst, Staplehurst Extension, Staplehurst Southern Extension conservation areas (Staplehurst designated 1974), so materials, fenestration and roof form are assessed against the appraisal, which matters here because an objecting neighbour puts amenity squarely in front of a case officer. Maidstone Borough Council has 84 recorded Article 4 directions — check the address before assuming PD applies in Staplehurst.
The scheme is available where all of these hold. Fail any one and it is a full application to Maidstone Borough Council instead:
We prepare the notification pack Maidstone Borough Council needs — plans, elevations, a site plan with the adjoining owners identified — and manage the 21-day neighbour consultation so the 42-day clock is not restarted by an incomplete submission.
Below is Maidstone Borough Council's real householder decision record, drawn from official planning statistics and refreshed as new data lands. Maidstone Borough Council granted 91% of its householder applications in the year to 31 March 2026, and Staplehurst shapes what is approved here. Prior approval turns on neighbour amenity alone, so the drawings that matter are the ones showing the relationship to the boundary.
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 Staplehurst, Staplehurst Extension and Staplehurst Southern Extension, the notifications that clear without objection are the ones that treat the neighbour as the audience. We show the extension in section against the boundary, demonstrate the 45-degree daylight relationship to the nearest habitable window, and where the plot is tight we taper the depth away from the boundary rather than running the full 6 metres to the fence.
The 3,190 homes here are 17% 1973-1982, 16% 1955-1964, 13% pre-1900, which is what sets the realistic roof and rear-projection options. Where an objection does arrive, the council's assessment is narrow: loss of light, outlook and overbearing effect on the adjoining property, nothing else. A pack that has already answered those three points on the drawings usually survives an objection, whereas one that leaves them to the officer's imagination usually does not.
We prepare prior-approval notifications across Staplehurst. A few of the areas where deep rear extensions come up most often:
Prior approval drawings for Staplehurst — conservation area designated in 1974 — dimensioned to the 6m and 8m limits and prepared for Maidstone Borough Council's neighbour consultation.
Prior approval drawings for Staplehurst Extension — conservation area designated in 1987 — dimensioned to the 6m and 8m limits and prepared for Maidstone Borough Council's neighbour consultation.
Prior approval drawings for Staplehurst Southern Extension — conservation area designated in 2024 — dimensioned to the 6m and 8m limits and prepared for Maidstone Borough Council's neighbour consultation.
Same extension, two routes, very different tests.
| Route | Depth allowed | What the council may consider | Timescale |
|---|---|---|---|
| Ordinary Class A permitted development | 3m attached / 4m detached | Nothing — no application needed | Immediate |
| Larger home extension prior approval | 6m attached / 8m detached | Amenity of adjoining premises, only if a neighbour objects | 21-day consultation, 42-day determination |
| Full householder application | No fixed limit | Design, materials, policy, amenity, everything | 8-week target |
| Any of these on designated land | 3m / 4m only | Prior approval scheme unavailable | Full application beyond the limits |
Limits and procedure from the GPDO 2015, Schedule 2, Part 1, Class A and paragraph A.4, made permanent by amendment in 2019.
A process built around the 21-day consultation, which is where these schemes are won or lost.
Send us your Staplehurst postcode and house type. We confirm whether the property is on designated land, whether the scheme is available, and what depth you can realistically take.
We measure the original rear wall, eaves height, boundary distances and the neighbouring windows that the amenity assessment will turn on.
We draw the extension to the 6m or 8m limit with the boundary relationship shown in section, and prepare the written description and adjoining-owner details Maidstone Borough Council needs to start the consultation.
We submit, track the 21-day consultation and the 42-day determination, respond to any objection on amenity grounds, and revise free until the decision.
Three metres on a terraced or semi-detached house and four on a detached one under ordinary permitted development. Under the larger home extension prior approval scheme those double to six and eight metres, provided you notify Maidstone Borough Council before starting and the conditions on height, materials and land coverage are met. The scheme is not available on designated land. This applies to your Staplehurst address specifically.
It is a notification, not an application for permission. You tell Maidstone Borough Council what you intend to build, it writes to the adjoining owners, and they have 21 days to object. If nobody objects, you may build. If someone does, the council assesses the effect on the amenity of adjoining premises and must decide within 42 days. Design and policy are not in scope. This applies to your Staplehurst address specifically.
The council then considers the impact on the amenity of the adjoining property — loss of light, loss of outlook, and overbearing effect — and nothing else. It cannot refuse because it dislikes the design or the materials. We prepare the drawings so those three questions are already answered in section and on the site plan, which is what usually carries an objected scheme through. This applies to your Staplehurst address specifically. Maidstone Borough Council is the decision-maker.
No. The larger home extension scheme is unavailable on designated land, which includes conservation areas such as Staplehurst and Staplehurst Extension, national landscapes, national parks and world heritage sites. On those properties the ordinary 3-metre and 4-metre limits apply, and anything deeper needs a full householder application to Maidstone Borough Council.
Twenty-one days for the neighbour consultation, and a maximum of 42 days from a valid submission for the council to determine it. If the council does not respond within 42 days you may proceed as notified. That deadline is the scheme's real advantage over a full application, and it is why validation completeness matters so much. This applies to your Staplehurst address specifically. Maidstone Borough Council is the decision-maker.
Yes — always. Prior approval deals only with the planning position. A 6-metre rear extension still needs building control approval for foundations, structure, drainage, thermal performance and fire safety, and the beam over the opening into the existing house needs designing and calculating. We prepare both sets so the notified scheme is the buildable one. This applies to your Staplehurst address specifically. Maidstone Borough Council is the decision-maker.
We quote each Staplehurst scheme individually, because plot shape and the boundary relationship drive the work, and send a fixed, no-obligation quote within one working day. It covers the notification pack and free revisions until Maidstone Borough Council determines it. Call 020 7864 7245 to start.
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