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Annexe and granny flat plans in South East Holderness — self-contained accommodation ancillary to a family home
South East Holderness · Annexe & Granny Flat Drawings

Annexe and granny flat plans in South East Holderness

Annexe and granny-flat drawings for South East Holderness homes — designed to stay ancillary to the main house rather than become a separate dwelling, drawn to East Riding of Yorkshire Council's policies, delivered in days and revised free until your decision.

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South East Holderness planning decisions and design rules

East Riding of Yorkshire Council granted 92% of the householder planning decisions it made in its latest published year — 5 points above the 87% England-wide householder average. South East Holderness contains Easington, Halsham, Hilston conservation areas (Easington 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.

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. South East Holderness carries at least one Article 4 direction, and conservation areas including Easington, Halsham and Hilston remove those rights outright, so we confirm your exact address before a line is drawn. A validated householder application in South East Holderness is determined against an 8-week statutory target.

Easington (conservation area designated in 1974), Halsham (conservation area designated in 1993), Hilston (conservation area designated in 2007), Holmpton (conservation area designated in 1991), Ottringham (conservation area designated in 1991), Patrington (conservation area designated in 1974), Roos Main Street (conservation area designated in 2008), Roos South (conservation area designated in 2008), Sunk Island (conservation area designated in 1993), Tunstall (conservation area designated in 2008), Winestead (conservation area designated in 1991), Easington (civil parish within South East Holderness), Halsham (civil parish within South East Holderness), Hollym (civil parish within South East Holderness), Holmpton (civil parish within South East Holderness), Keyingham (civil parish within South East Holderness) and Ottringham (civil parish within South East Holderness) — these are the South East Holderness pockets our drawings cover most. Heritage designations here include Easington, Halsham, Hilston, Holmpton, Ottringham, Patrington, Roos Main Street, Roos South, Sunk Island, Tunstall and Winestead. East Riding of Yorkshire Council weighs each proposal against the adopted East Riding of Yorkshire local plan and East Riding of Yorkshire Council's design guidance for householder work, where the 7,000 homes here are 22% pre-1900, 13% 1955-1964, 12% 1965-1972, 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 gabled roofs typical of that period's building, over Victorian and earlier houses (22% of 7,000 homes), late-1950s and early-1960s houses (13%) and late-1960s and early-1970s houses (12%).

Why a South East Holderness scheme is judged on South East Holderness terms

What is permitted in South East Holderness turns on designation first, so that is where we start: Easington (conservation area designated in 1974), Halsham (conservation area designated in 1993), Hilston (conservation area designated in 2007), Holmpton (conservation area designated in 1991), Ottringham (conservation area designated in 1991), Patrington (conservation area designated in 1974), Roos Main Street (conservation area designated in 2008), Roos South (conservation area designated in 2008), Sunk Island (conservation area designated in 1993), Tunstall (conservation area designated in 2008) and Winestead (conservation area designated in 1991). Inside those boundaries permitted development is curtailed and East Riding of Yorkshire 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, South East Holderness takes in Easington, Halsham, Hollym, Holmpton, Keyingham and Ottringham. East Riding of Yorkshire Council has 11 recorded Article 4 directions, removing permitted development for rear and side extensions — check the address before assuming PD applies in South East Holderness.

On stock, South East Holderness is Victorian and earlier houses (22% of 7,000 homes), late-1950s and early-1960s houses (13%) and late-1960s and early-1970s houses (12%) — which is why steeply pitched slate roofs, valley gutters and party parapets typical of pre-1900 building and shallow gabled roofs typical of that period's building govern what a loft or rear projection can realistically be. East Riding of Yorkshire Council decided 830 householder applications in the latest published year and granted 92%, with 95% issued inside the eight-week target. We draw to that record rather than to a national average.

The full build-period split for South East Holderness runs pre-1900 22% (1,510 homes), 1900-1918 6% (390 homes), 1919-1929 8% (570 homes), 1930-1939 5% (370 homes), 1945-1954 5% (320 homes), 1955-1964 13% (900 homes), 1965-1972 12% (870 homes), 1973-1982 8% (550 homes), 1983-1992 7% (500 homes), 1993-1999 4% (260 homes) and 2000-2008 6% (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.

East Riding of Yorkshire Council also decides for Beverley Rural, Bridlington North, Bridlington South, Dale, Driffield and Rural, East Wolds and Coastal, Goole South and Hessle, so a decision in South East Holderness 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 Alpine Villa (Beck Cottage), Atwick, Atwick Hall, Atwick, Clifton House, Atwick and Green View, Atwick. 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.

South East Holderness by the published data

Published figures for South East Holderness and East Riding of Yorkshire Council. These are the numbers that decide what is realistic on your street, so we work from them rather than from national averages.

MeasureSouth East Holderness
Dwellings recorded7,000
Built pre-19001,510 (22%)
Built 1900-1918390 (6%)
Built 1919-1929570 (8%)
Built 1930-1939370 (5%)
Built 1945-1954320 (5%)
Built 1955-1964900 (13%)
Built 1965-1972870 (12%)
Built 1973-1982550 (8%)
Built 1983-1992500 (7%)
Built 1993-1999260 (4%)
Built 2000-2008390 (6%)
Built before 191927%
Built 1919–193913%
Built 1945–200854%
Conservation areas in South East Holderness11 (Easington, Halsham…)
Conservation areas district-wide126
Article 4 directions recorded11
Householder applications decided830
Householder applications granted92%
Decided within 8 weeks95%

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 East Riding of Yorkshire Council's own, from MHCLG live table PS2 for the year to 31 March 2026.

Ancillary or separate dwelling — the South East Holderness test

Councils do not decide annexes on square metres. They decide whether, once built, the accommodation forms part of one planning unit with the main house or a second one beside it. East Riding of Yorkshire Council looks at whether the garden is shared or divided, whether the annexe has its own street access and address, whether the occupier could live there entirely independently, and whether the two households would function as one. That is the whole case, and it is made or lost on the layout.

South East Holderness is largely Victorian and earlier houses (22% of 7,000 homes), late-1950s and early-1960s houses (13%) and late-1960s and early-1970s houses (12%), which shapes the realistic options: converting part of the existing house, extending it, or building a detached unit in the garden. A detached annexe can sometimes sit under Class E as an outbuilding incidental to the enjoyment of the dwellinghouse — but sleeping accommodation is generally not "incidental", so a garden annexe with a bedroom usually needs its own permission rather than relying on outbuilding rights.

In South East Holderness's conservation areas — including Easington and Halsham — a garden building is also judged on its effect on the character of the area, which limits height and footprint before the use question is reached. East Riding of Yorkshire Council has 11 recorded Article 4 directions, removing permitted development for rear and side extensions — check the address before assuming PD applies in South East Holderness.

Annexe accommodation designed for a South East Holderness property

When does an annexe need planning permission in South East Holderness?

An annexe almost always needs an application to East Riding of Yorkshire Council. Expect one where any of these apply:

  • The accommodation includes sleeping space, so it is not incidental under Class E
  • There is a separate entrance from the street rather than through the shared garden
  • The garden would be divided so each part serves one unit
  • The annexe has its own kitchen, utilities and postal address
  • It would be let, sold or occupied by someone unconnected to the main household
  • The property is on designated land such as Easington and Halsham, where outbuilding rights are curtailed
  • An Article 4 direction applies to your street, removing the relevant permitted-development right

South East Holderness annexe decisions — live from council data

Below is East Riding of Yorkshire Council's real householder decision record, drawn from official planning statistics and refreshed as new data lands. East Riding of Yorkshire Council granted 92% of its householder applications in the year to 31 March 2026, and Easington shapes what is approved here. Annexe applications are decided on use as much as design, so the supporting case matters as much as the elevations.

Source: MHCLG planning application statistics (householder decisions, England, 1 April 2025 - 31 March 2026). Compare every borough on our London approval-rate league table.

92%householder applications approved in East Riding of Yorkshire
87%national average — East Riding of Yorkshire is 5 points above the national average

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What annexes get approved across South East Holderness

Across Easington, Halsham and Hilston, the annexes that succeed keep one shared garden, take access past the main house rather than from the street, and are modest against the host building — single storey where the plot is overlooked, and set back from boundaries. On victorian and earlier houses (22% of 7,000 homes), converting an integral garage or a rear ground floor is often approved more readily than a detached garden unit, because the ancillary relationship is self-evident.

South East Holderness contains Easington, Halsham, Hilston conservation areas (Easington designated 1974), so materials, fenestration and roof form are assessed against the appraisal. Where East Riding of Yorkshire Council grants permission, it commonly attaches a condition tying occupation of the annexe to the main dwelling. That condition is not a problem to be avoided — it is usually the mechanism that makes approval possible, and we draft the application on that basis rather than pretending the annexe is something it is not.

Annexe drawing pack prepared for a South East Holderness application

Annexe and granny flat drawings across South East Holderness

We draw annexes across South East Holderness. A few of the areas where multigenerational schemes come up most often:

Easington

Annexe and granny-flat drawings for Easington — conservation area designated in 1974 — planned to stay ancillary and drawn to East Riding of Yorkshire Council's policies.

Halsham

Annexe and granny-flat drawings for Halsham — conservation area designated in 1993 — planned to stay ancillary and drawn to East Riding of Yorkshire Council's policies.

Hilston

Annexe and granny-flat drawings for Hilston — conservation area designated in 2007 — planned to stay ancillary and drawn to East Riding of Yorkshire Council's policies.

Holmpton

Annexe and granny-flat drawings for Holmpton — conservation area designated in 1991 — planned to stay ancillary and drawn to East Riding of Yorkshire Council's policies.

Ottringham

Annexe and granny-flat drawings for Ottringham — conservation area designated in 1991 — planned to stay ancillary and drawn to East Riding of Yorkshire Council's policies.

Patrington

Annexe and granny-flat drawings for Patrington — conservation area designated in 1974 — planned to stay ancillary and drawn to East Riding of Yorkshire Council's policies.

Annexe, outbuilding or new dwelling in South East Holderness?

Three similar buildings, three different consents. This is what separates them.

What you buildPlanning statusKey testWhat East Riding of Yorkshire Council checks
Garden room, no sleeping spaceOften Class E permitted developmentIncidental to the houseHeight, footprint, boundary position
Annexe used by the householdFull application, usually with a tie conditionAncillary useShared garden and access, layout
Self-contained unit, own accessNew dwelling — full applicationSeparate planning unitPolicy on new homes, amenity, parking
Converted garage or ground floorOften permitted, use still assessedWhether use changesIndependence of the accommodation
Annexe on designated landFull applicationDesignationCharacter and appearance

The ancillary/separate-dwelling distinction comes from section 55 of the Town and Country Planning Act 1990; outbuilding limits from the GPDO 2015, Schedule 2, Part 1, Class E.

Four steps to an approved South East Holderness annexe

A fixed process built around how East Riding of Yorkshire Council tests the use question as well as the design.

  1. 1

    Free approval check

    Tell us who the annexe is for and where it would sit on the plot. We confirm designation status and tell you honestly whether the scheme reads as ancillary or as a separate dwelling in South East Holderness.

  2. 2

    Measured survey

    We measure the plot, the existing house and the access route, so the shared-garden and shared-access case can be drawn rather than asserted.

  3. 3

    Annexe design & drawings

    Chartered designers develop the annexe to your brief, with the layout, access and garden relationship arranged to support the ancillary case under East Riding of Yorkshire Council's policies.

  4. 4

    Submission & follow-through

    We submit the application with a supporting statement on use, manage validation and case-officer queries, and revise free until East Riding of Yorkshire Council decides.

Frequently asked questions

Do I need planning permission for an annexe in South East Holderness?

Almost always. Sleeping accommodation is generally not "incidental" to the enjoyment of a house, so it falls outside the outbuilding permitted-development right, and any annexe that could function independently raises a change-of-use question under section 55. In South East Holderness we prepare a full application to East Riding of Yorkshire Council and make the ancillary case explicitly rather than hoping it is not asked.

What makes an annexe ancillary rather than a separate dwelling in South East Holderness?

A shared garden rather than a divided one, access through the main property rather than a separate street entrance, occupation by a member of the same household, and a physical and functional relationship with the main house. East Riding of Yorkshire Council weighs those together — no single feature decides it, but a separate front door and a fenced-off garden together usually settle it against you. This applies to your South East Holderness address specifically.

Can I build a granny flat in the garden in South East Holderness?

Yes, subject to permission. A detached garden annexe is assessed on its scale against the plot, its effect on neighbours and the character of the area, and then on the use question. Keeping it single storey, set in from boundaries and served off the shared garden gives it the best prospect in South East Holderness, particularly near designated areas such as Easington and Halsham. East Riding of Yorkshire Council is the decision-maker.

Will East Riding of Yorkshire Council attach conditions to an annexe permission?

Commonly, yes — a condition tying occupation of the annexe to the main dwelling, so it cannot be sold or let separately. That is normally what makes approval possible, because it removes the concern that a new independent home is being created without going through housing policy. The condition runs with the land, so it matters at resale, and we explain the implications before you commit. This applies to your South East Holderness address specifically. East Riding of Yorkshire Council is the decision-maker.

Does an annexe need building regulations approval in South East Holderness?

Yes. A new annexe is new habitable accommodation, so structure, fire escape, insulation and ventilation all apply, and a detached annexe close to a boundary raises fire-spread requirements as well. Planning and building control are separate consents with separate submissions — we prepare both so the approved design is the one that can actually be built. This applies to your South East Holderness address specifically. East Riding of Yorkshire Council is the decision-maker.

How long does an annexe application take in South East Holderness?

A householder application runs to an eight-week statutory target; where the council treats the annexe as creating a new unit it becomes a minor application with a thirteen-week target instead. Which route applies depends on how the use is characterised, which is precisely why the ancillary case is worth making properly at the outset. This applies to your South East Holderness address specifically. East Riding of Yorkshire Council is the decision-maker.

How much do annexe plans in South East Holderness cost?

We quote each South East Holderness annexe individually, because plot, access and whether you are converting or building new all change the work, and send a fixed, no-obligation quote within one working day. It covers the full drawing pack and supporting statement, with free revisions until East Riding of Yorkshire Council approves. Call 020 7864 7245 to start.

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