TL;DR — Key Facts

  • Planning authority: Hackney Council
  • Conservation areas: 29 designated areas
  • Article 4 Directions: Yes
  • Postcodes covered: E2, E5, E8, E9, N1, N4, N5, N16
  • Typical housing: Victorian terraces dominate
  • Householder application fee: £548 (2026 rate)

Why does Hackney withdraw so many applications?

Hackney withdrew 476 applications before decision, 12.4% of the total, against 7.4% across London. It approved 81.3% of the householder applications it did decide, and agreed an extension of time on 44.1% — both signs of a borough that negotiates schemes rather than refusing them outright.

MeasureHackneyLondon
Applications withdrawn before decision12.4%7.4%
Applications with an agreed extension of time44.1%34.5%
Householder approval rate81.3%83.0%
Householder decisions made1,35077,680
Decided inside eight weeks84.1%
Enforcement notices issued1283,554
Householder appeals allowed after refusal46.2% of 27940.8% of 13,067

Source: MHCLG District Planning Application Statistics (PS1 and PS2), decisions made in the twelve quarters to March 2026, and Planning Inspectorate casework decided 2016–2026. Open Government Licence v3.0, retrieved 1 September 2026. Read the withdrawal rate with the approval rate: an application withdrawn under officer pressure never appears as a refusal, so Hackney’s 81.3% is a friendlier number than the underlying experience.

Planning in Hackney — what you need to know

Hackney publishes a design guide and then applies it, which makes it one of the more predictable inner-London boroughs to work in despite 29 conservation areas and an Article 4 Direction. Rear-of-terrace mansards are routinely approved here in positions that other boroughs would refuse, because the guide establishes the precedent and officers follow it. The corollary is that a scheme departing from the guide has no informal route through.

Hackney is a Victorian borough that largely skipped the middle of the twentieth century. Of its 120,680 dwellings, 29.4% predate 1900, while just 1.5% date from the 1920s and 6.2% from the 1930s — against a London figure of 16.0% for that one decade. A further 14.5% have gone up since 2010 (VOA council tax stock at 31 March 2025, published via the London Datastore). Terraces and new flats, with very little in between. The borough also holds 555 listed buildings, eight of them Grade I and 30 Grade II* (Historic England, via the MHCLG Planning Data Platform, retrieved 2 September 2026), and covers E2, E5, E8, E9, N1, N4, N5 and N16.

Two things follow from that shape. The first is that the mansard is a live option here in a way it is not across most of London: Hackney publishes design guidance on roof extensions and does approve them in rear-of-terrace positions inside conservation areas, which is why so many terraces in this borough carry one. The second is that permitted development barely operates. The council determined 93 larger householder prior approvals in the three years to March 2026; Harrow, deciding a similar total number of applications over the same period, determined 1,194 (MHCLG planning application statistics, PS1, retrieved 1 September 2026). Where designation covers most of the streets, the application is the route rather than the exception to it.

Hackney runs 29 conservation areas alongside live Article 4 Directions, so a fair number of streets have had some part of their permitted development withdrawn. Check which designation covers your address before assuming a rear dormer is automatic.

We prepare planning and building regulations drawings across every Hackney postcode. The check that comes first here is heritage, and it has three layers: whether the address sits inside a conservation area, whether the building itself is listed, and whether an article 4 direction applies on top of either. Our technologists are MCIAT chartered. Where a building is listed we prepare the consent application alongside the planning one, because on listed work Hackney is stricter than its general reputation suggests — it granted 191 of the 220 listed building consents to alter or extend that it decided, 86.8%, below the London figure of 91.2%.

Which Article 4 Directions apply in Hackney?

Hackney has Article 4 Directions in place that remove certain Permitted Development rights. Article 4 Direction covers HMO conversions borough-wide and office-to-residential in specific commercial zones.

A direction withdraws a named permitted development right, turning what would have been a free change into a £548 householder application with a validation checklist attached to it. In Hackney the more expensive half of that is not the fee. The council agrees an extension of time on 44.1% of everything it decides, against 34.5% across London, and settles 79.7% of its decisions inside the statutory period against 87.6% (MHCLG planning application statistics, twelve quarters to March 2026, retrieved 1 September 2026). Losing a right here is measured in months as much as in money, and the programme should be written on that basis rather than on the eight-week target.

A direction and a conservation area are separate instruments, and a Hackney house frequently sits under both, sometimes with a listing as well. It is worth keeping them apart, because they remove different things. A conservation area is article 2(3) land, which takes away side extensions, rear extensions of more than one storey, cladding and render, and Class B roof enlargements. Hackney’s designations cover a great deal of the borough and several are substantial: Graham Road and Mapledene runs to 56.0 hectares, Northwold and Cazenove to 54.0, Victoria Park to 48.0 and De Beauvoir to 40.6 (planning.data.gov.uk conservation area register, retrieved 1 September 2026).

How much of Hackney is a conservation area?

Hackney has 29 designated conservation areas. Notable conservation areas include:

Conservation-area status narrows what you may build without an application; it does not delete that freedom altogether. These are the limits that trip up Hackney householders most often:

Twenty-nine designated areas sit here alongside an Article 4 Direction, across housing that is largely repeated terrace. Hackney delegated 98.6% of decisions to officers (MHCLG planning statistics, retrieved 1 September 2026), so almost everything is decided by a case officer reading the design guide against your drawings. That is a favourable arrangement if the scheme follows the guide and an unfavourable one if it does not, and it is the reason we design to the document rather than to precedent from a neighbouring borough.

Popular projects in Hackney

Victorian terraces dominate, with Georgian fragments in De Beauvoir and Stoke Newington, large post-war estates around Hackney Wick, and new-build near the Olympic Park. Across everything the council approved 78.8% of 3,843 decisions, and 75.7% of proposals creating a new dwelling (MHCLG planning statistics, retrieved 1 September 2026). Conversion is normal here rather than exceptional, which is what that second figure is really recording.

Loft conversions

Assume a Hackney loft needs permission and be pleasantly surprised if it does not. Class B is switched off on article 2(3) land, so a rear dormer that would be lawful without an application in most outer boroughs needs a householder application across much of Dalston, London Fields, De Beauvoir and Stoke Newington. What takes the sting out of that is precedent: this borough has a settled published position on roof extensions and a great deal of built evidence to point at, which is a far better starting hand than an unfamiliar authority and a blank street. A rooflight conversion under Class C survives designation, provided the glazing projects no more than 150mm beyond the plane of the slope and sits no higher than the ridge.

Side-return and rear extensions

The side return infill is the standard Hackney kitchen project, and on these terraces it usually arrives as a full householder application rather than a prior approval, for the reason set out above. Of the 93 deeper rear extensions the council did determine under the neighbour consultation scheme, 39 were granted and only 13 refused — a 14.0% refusal share against 24.9% pooled across London (MHCLG planning application statistics, PS1, retrieved 1 September 2026). The route is narrow here, not hostile. What genuinely needs survey work on this stock is the party structure: closet wings, shared rear boundary walls, and the frequent complication that the house next door is already two flats with two sets of adjoining owners.

Flat conversions and internal alterations

A great many of Hackney’s Victorian terraces have already been divided, and that changes the first question rather than the last. Permitted development applies only to houses in Class C3 use, so if the property is a flat or a maisonette there are no rights to fall back on and almost any external alteration is a full application. Two further changes are commonly confused with each other. Converting a house into self-contained flats is a planning application in its own right. Converting one into a small house in multiple occupation is the separate Class C3 to Class C4 change, which Hackney’s borough-wide direction has removed from permitted development. On subdivision the council is more receptive than most: it approved 75.7% of the minor-dwellings applications it decided, against 70.1% across London.

Mansard roof extensions

Mansards are a familiar proposition on the older terraces, and with 29.4% of the borough’s 120,680 homes dating from before 1900 there is a lot of Victorian roof to work with. The form trades the existing pitch for an almost upright front and a low deck over the top, which buys a whole storey instead of a dormer’s worth of one. It is never permitted development, so a full application follows every time. Ages of stock are VOA council tax data as at 31 March 2025.

How much do planning drawings cost in Hackney?

The council charge is fixed nationally. In Hackney the cost that moves is drawing time, because the design guide is specific about how a mansard or rear extension should be detailed and a submission that ignores it will come back. We would rather resolve that at drawing stage than at determination. Our fee is one figure agreed before the survey, close to 30% below the London architect rate for the same package.

Planning costs in Hackney

Householder planning application (London Borough of Hackney) £548
Our Essentials package (planning drawings)
Our Complete package (planning + building regs)
Loft conversion package
Mansard conversion package

A drawing set from us opens with the measured survey, then existing and proposed floor plans, elevations drawn at matching scales, and the site plan Hackney’s validation checklist asks for. Pricing sits around 30% under what a London architect’s practice charges for the identical package.

Hackney certified lawful development 766 times in three years (MHCLG planning statistics, retrieved 1 September 2026) - modest, because the Article 4 Direction removes permitted development from much of the borough. Where your address keeps it, the proposed-works certificate is worth taking precisely because most neighbouring properties cannot.

Our experience in Hackney

We work across E2, E5, E8, E9, N1, N4, N5 and N16. The most useful thing we do before quoting anything is establish which of the three heritage instruments attach to your particular address, because they are drawn on three different maps, they withdraw three different sets of rights, and not one of them is visible from the pavement. A street can be designated on one side and not the other, and the houses will look identical.

Our MCIAT chartered technologists carry a project from the measured survey through to submission and handle the correspondence that follows. Where a refusal does come, Hackney’s appeal record is worth weighing before redesigning: the Planning Inspectorate decided 279 Hackney householder appeals between 2016 and 2026 and allowed 129 of them — 46.2%, against 35.6% across England (Planning Inspectorate appeal casework, retrieved 1 September 2026). Nearly half of what this borough refuses does not survive review, which makes a well-argued appeal a genuine option rather than a last resort. It tells you nothing about a first application, which is decided on entirely different terms.

We also work in Hackney's neighbouring boroughs:

Islington Haringey Waltham Forest Newham Tower Hamlets City of London

What are the odds of approval in Hackney?

81.3%of householder applications approved in Hackney
1,350householder decisions in three years
84.1%decided within eight weeks
766certificates of lawful development issued

Four householder schemes in five get through, a shade under the city as a whole. Hackney determined 1,350 householder applications across the twelve quarters ending March 2026: 1,097 approved, 253 refused, an 81.3% grant rate against 83.0% for the 33 boroughs pooled together. Under two percentage points is not a hostile council. It means the drawings decide it, and that a refusal in E8 or E5 is far more likely to be a scheme problem than a postcode problem. Source: MHCLG live planning statistics

Assume the eight weeks will stretch. Of the 819 householder decisions issued outside a performance agreement, 689 landed inside eight weeks — 84.1%, where the London pool manages 92.5%. Sixty-two of them ran past thirteen weeks. Separately, an extension of time was agreed on 1,693 of the borough’s 3,843 decisions, so a renegotiated deadline is the normal case rather than the exception. Do not tie a builder’s start date to week eight.

The neighbour-consultation route is worth serving here. Ninety-three larger rear extensions were determined in Hackney. Forty-one came back as prior approval not required, another 39 were granted outright, and 13 were refused — so 80 of the 93 walked away free to build. Fourteen per cent turned away is well under the 24.9% refusal share the boroughs post between them. The fee for a larger householder prior approval is £249.

Alongside those decisions the borough recorded 766 certificates of lawful development. It grants nothing. What the council signs is a statement that the work you describe was lawful without any grant at all, and that signed statement is what a solicitor acting for your buyer will want to see a decade from now. The fee for a lawful development certificate is £274. The householder application fee in England is £548, so where the work genuinely qualifies the certificate is also the cheaper of the two.

These counts are lifted from the PS1 and PS2 returns Hackney files with MHCLG each quarter. What they record is the date a decision went out, between April 2023 and March 2026 — an application lodged inside that span and still sitting undetermined appears nowhere in them. Contains public sector information licensed under the Open Government Licence v3.0

Frequently asked questions

Do I need planning permission in Hackney?

Plenty of work in the borough needs no application at all: rear extensions within the depth limits, most rear dormers, and anything purely internal sit inside permitted development. The catch is that 29 conservation areas and a set of Article 4 Directions strip parts of that freedom out street by street, and the rules covering a flat are not the rules covering a house. Where the answer looks like yes, put it beyond argument with a Lawful Development Certificate instead of relying on a phone call.

Does Hackney have Article 4 Directions?

Yes. Article 4 Direction covers HMO conversions borough-wide and office-to-residential in specific commercial zones.

How many conservation areas are in Hackney?

Twenty-nine, covering most of the borough's Georgian and Victorian stock — De Beauvoir Town, Clapton Square, London Fields and Stoke Newington Church Street among them. Hackney also operates Article 4 Directions, so the designation map and the Article 4 map both need checking and they are not the same map. The council granted 41 prior approvals for larger rear extensions in the whole return, which is the clearest measure of how little of the standard permitted development envelope survives here.

How much does a London Borough of Hackney planning application cost?

£548 for the application, £274 for a certificate, both national. What is unusual in Hackney is that the council publishes a design guide and applies it, so the standard your drawings must meet is readable in advance and for nothing. That makes the fee more predictable here than the borough's Article 4 Direction and 29 conservation areas would suggest.

How long does London Borough of Hackney take to decide a planning application?

Hackney decided 84.1% of householder applications inside 8 weeks, and 7.6% ran beyond thirteen (MHCLG planning statistics, retrieved 1 September 2026) — a slower record than most of London and a consequence of how much of the borough is designated. On a Victorian terrace in De Beauvoir or Clapton, plan for sixteen to eighteen weeks from instruction to decision rather than twelve. Pre-application advice adds four to six weeks and is usually worth it here. Major applications carry a thirteen-week target.

Last updated: April 2026