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Larger home extension prior approval in Hartley Wintney — a deep single-storey rear extension to a house
Hartley Wintney · Prior Approval & Neighbour Consultation

Larger home extension prior approval in Hartley Wintney

The fast route to a deep single-storey rear extension in Hartley Wintney — up to 6 metres on an attached house or 8 on a detached one — via Hart District Council's prior approval scheme rather than a full planning application.

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What the data says about planning in Hartley Wintney

Hart District Council granted 86% of the householder planning decisions it made in its latest published year — 1 point below the 87% England-wide householder average. Hartley Wintney contains Bramshill, Dipley, Elvetham conservation areas (Bramshill designated 2012), 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) 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 Hart District Council needs a full application. Hartley Wintney carries at least one Article 4 direction, and conservation areas including Bramshill, Dipley and Elvetham remove those rights outright, so we confirm your exact address before a line is drawn. A validated householder application in Hartley Wintney is determined against an 8-week statutory target.

Bramshill (conservation area designated in 2012), Dipley (conservation area designated in 1988), Elvetham (conservation area designated in 1988), Elvetham Farm (conservation area designated in 1988), Eversley Church Farm (conservation area designated in 2002), Eversley Cross (conservation area designated in 2002), Eversley Street (conservation area designated in 2002), Hartfordbridge (conservation area designated in 2008), Hartley Wintney (conservation area designated in 2008), Hartley Wintney, Church House (conservation area designated in 2008), Hazeley Bottom (conservation area designated in 2012), Heckfield (conservation area designated in 2002), Heckfield (added 2002) (conservation area designated in 2002), Mattingley Green (conservation area designated in 2012), Mattingley, West End (conservation area designated in 2012), Up Green (conservation area designated in 2002), West Green (conservation area designated in 2002), Bramshill (civil parish within Hartley Wintney), Eversley (civil parish within Hartley Wintney), Heckfield (civil parish within Hartley Wintney), Mattingley (civil parish within Hartley Wintney) and Winchfield (civil parish within Hartley Wintney) — these are the Hartley Wintney pockets our drawings cover most. Heritage designations here include Bramshill, Dipley, Elvetham, Elvetham Farm, Eversley Church Farm, Eversley Cross, Eversley Street, Hartfordbridge, Hartley Wintney, Hartley Wintney, Church House, Hazeley Bottom, Heckfield, Heckfield (added 2002), Mattingley Green, Mattingley, West End, Up Green and West Green. Hart District Council weighs each proposal against the adopted Hart local plan and Hart District Council's design guidance for householder work, where the 4,650 homes here are 19% pre-1900, 13% 1973-1982, 9% 1983-1992, which is what sets the realistic roof and rear-projection options. On roofs the borough is steeply pitched slate roofs, valley gutters and party parapets typical of pre-1900 building and shallow trussed roofs typical of 1970s building, over Victorian and earlier houses (19% of 4,650 homes), 1970s and early-1980s houses (13%) and 1980s estate houses (9%).

Designations, stock and decisions in Hartley Wintney

Heritage designation is the single biggest variable in Hartley Wintney, and it is address-specific: Bramshill (conservation area designated in 2012), Dipley (conservation area designated in 1988), Elvetham (conservation area designated in 1988), Elvetham Farm (conservation area designated in 1988), Eversley Church Farm (conservation area designated in 2002), Eversley Cross (conservation area designated in 2002), Eversley Street (conservation area designated in 2002), Hartfordbridge (conservation area designated in 2008), Hartley Wintney (conservation area designated in 2008), Hartley Wintney, Church House (conservation area designated in 2008), Hazeley Bottom (conservation area designated in 2012), Heckfield (conservation area designated in 2002), Heckfield (added 2002) (conservation area designated in 2002), Mattingley Green (conservation area designated in 2012), Mattingley, West End (conservation area designated in 2012), Up Green (conservation area designated in 2002) and West Green (conservation area designated in 2002). Inside those boundaries permitted development is curtailed and Hart 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, Hartley Wintney takes in Bramshill, Eversley, Heckfield, Mattingley and Winchfield. Hart District Council has 47 recorded Article 4 directions — check the address before assuming PD applies in Hartley Wintney.

On stock, Hartley Wintney is Victorian and earlier houses (19% of 4,650 homes), 1970s and early-1980s houses (13%) and 1980s estate houses (9%) — which is why steeply pitched slate roofs, valley gutters and party parapets typical of pre-1900 building and shallow trussed roofs typical of 1970s building govern what a loft or rear projection can realistically be. Hart District Council decided 445 householder applications in the latest published year and granted 86%, with 71% issued inside the eight-week target. We work from the council's own published record.

The full build-period split for Hartley Wintney runs pre-1900 19% (900 homes), 1900-1918 4% (200 homes), 1919-1929 4% (170 homes), 1930-1939 2% (110 homes), 1945-1954 6% (290 homes), 1955-1964 6% (270 homes), 1965-1972 6% (300 homes), 1973-1982 13% (620 homes), 1983-1992 9% (430 homes), 1993-1999 5% (250 homes) and 2000-2008 5% (210 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.

Hart District Council also decides for Blackwater and Hawley, Fleet Central, Fleet East, Fleet West, Odiham and Yateley East, so a decision in Hartley Wintney 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 Bramshill, Broad Oak Odiham Hampshire., Church Farm (Eversley) and Cricket Hill Yateley (Extension). 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.

The published numbers behind a Hartley Wintney application

Published figures for Hartley Wintney and Hart District Council. These are the numbers that decide what is realistic on your street, so we work from them rather than from national averages.

MeasureHartley Wintney
Dwellings recorded4,650
Built pre-1900900 (19%)
Built 1900-1918200 (4%)
Built 1919-1929170 (4%)
Built 1930-1939110 (2%)
Built 1945-1954290 (6%)
Built 1955-1964270 (6%)
Built 1965-1972300 (6%)
Built 1973-1982620 (13%)
Built 1983-1992430 (9%)
Built 1993-1999250 (5%)
Built 2000-2008210 (5%)
Built before 191924%
Built 1919–19396%
Built 1945–200851%
Conservation areas in Hartley Wintney17 (Bramshill, Dipley…)
Conservation areas district-wide39
Article 4 directions recorded47
Householder applications decided445
Householder applications granted86%
Decided within 8 weeks71%

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 Hart District Council's own, from MHCLG live table PS2 for the year to 31 March 2026.

How the prior approval route works in Hartley Wintney

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 Bramshill and Dipley 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.

Hartley Wintney is largely Victorian and earlier houses (19% of 4,650 homes), 1970s and early-1980s houses (13%) and 1980s estate houses (9%). Hartley Wintney contains Bramshill, Dipley, Elvetham conservation areas (Bramshill designated 2012), 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. Hart District Council has 47 recorded Article 4 directions — check the address before assuming PD applies in Hartley Wintney.

Isometric drawing of a deep rear extension in Hartley Wintney

Does your Hartley Wintney extension qualify for prior approval?

The scheme is available where all of these hold. Fail any one and it is a full application to Hart District Council instead:

  • The extension is single storey and rear-facing
  • It projects no more than 6 metres on a terraced or semi-detached house, or 8 metres on a detached house
  • It is no more than 4 metres high, with eaves no higher than the existing eaves
  • The property is a house, not a flat or maisonette
  • The property is not on designated land — the scheme is unavailable in conservation areas such as Bramshill and Dipley
  • No more than half the land around the original house is covered by buildings
  • The materials are similar in appearance to the existing house
  • You notify the council BEFORE building — retrospective use of the scheme is not possible

Hartley Wintney householder decisions — live from council data

Below is Hart District Council's real householder decision record, drawn from official planning statistics and refreshed as new data lands. Hart District Council granted 86% of its householder applications in the year to 31 March 2026, and Bramshill 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.

86%householder applications approved in Hart
87%national average — Hart is 1 point below the national average

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What gets through prior approval in Hartley Wintney

Across Bramshill, Dipley and Elvetham, 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 4,650 homes here are 19% pre-1900, 13% 1973-1982, 9% 1983-1992, 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.

Deep single-storey rear extension to a house in Hartley Wintney

Larger home extensions across Hartley Wintney

We prepare prior-approval notifications across Hartley Wintney. A few of the areas where deep rear extensions come up most often:

Bramshill

Prior approval drawings for Bramshill — conservation area designated in 2012 — dimensioned to the 6m and 8m limits and prepared for Hart District Council's neighbour consultation.

Dipley

Prior approval drawings for Dipley — conservation area designated in 1988 — dimensioned to the 6m and 8m limits and prepared for Hart District Council's neighbour consultation.

Elvetham

Prior approval drawings for Elvetham — conservation area designated in 1988 — dimensioned to the 6m and 8m limits and prepared for Hart District Council's neighbour consultation.

Elvetham Farm

Prior approval drawings for Elvetham Farm — conservation area designated in 1988 — dimensioned to the 6m and 8m limits and prepared for Hart District Council's neighbour consultation.

Eversley Church Farm

Prior approval drawings for Eversley Church Farm — conservation area designated in 2002 — dimensioned to the 6m and 8m limits and prepared for Hart District Council's neighbour consultation.

Eversley Cross

Prior approval drawings for Eversley Cross — conservation area designated in 2002 — dimensioned to the 6m and 8m limits and prepared for Hart District Council's neighbour consultation.

Prior approval or full application in Hartley Wintney?

Same extension, two routes, very different tests.

RouteDepth allowedWhat the council may considerTimescale
Ordinary Class A permitted development3m attached / 4m detachedNothing — no application neededImmediate
Larger home extension prior approval6m attached / 8m detachedAmenity of adjoining premises, only if a neighbour objects21-day consultation, 42-day determination
Full householder applicationNo fixed limitDesign, materials, policy, amenity, everything8-week target
Any of these on designated land3m / 4m onlyPrior approval scheme unavailableFull 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.

Four steps to prior approval in Hartley Wintney

A process built around the 21-day consultation, which is where these schemes are won or lost.

  1. 1

    Free eligibility check

    Send us your Hartley Wintney 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.

  2. 2

    Measured survey

    We measure the original rear wall, eaves height, boundary distances and the neighbouring windows that the amenity assessment will turn on.

  3. 3

    Notification pack

    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 Hart District Council needs to start the consultation.

  4. 4

    Consultation & follow-through

    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.

Frequently asked questions

How deep can a rear extension be in Hartley Wintney without planning permission?

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 Hart District 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 Hartley Wintney address specifically.

What is prior approval for a larger home extension in Hartley Wintney?

It is a notification, not an application for permission. You tell Hart District 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 Hartley Wintney address specifically.

What happens if my neighbour objects in Hartley Wintney?

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 Hartley Wintney address specifically. Hart District Council is the decision-maker.

Can I use prior approval in a Hartley Wintney conservation area?

No. The larger home extension scheme is unavailable on designated land, which includes conservation areas such as Bramshill and Dipley, 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 Hart District Council. This applies to your Hartley Wintney address specifically.

How long does prior approval take in Hartley Wintney?

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 Hartley Wintney address specifically. Hart District Council is the decision-maker.

Do I still need building regulations approval in Hartley Wintney?

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 Hartley Wintney address specifically. Hart District Council is the decision-maker.

How much do prior approval drawings in Hartley Wintney cost?

We quote each Hartley Wintney 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 Hart District Council determines it. Call 020 7864 7245 to start.

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