Orangery and conservatory drawings for Old Town, Hull homes — checked against the Class A rear limits and the 30m² building-regulations exemption, drawn to Hull City Council's guidance and revised free until your decision.
Hull City Council granted 91% of the householder planning decisions it made in its latest published year — 4 points above the 87% England-wide householder average. The Old Town sits behind the Humber's tidal defences in a high flood-risk zone, so conversions of historic and warehouse buildings must demonstrate flood resilience and safe access, which is where a policy-literate drawing pack earns its keep. Its dominant Georgian (1714–1837) and 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 Hull City Council needs a full application. In conservation areas such as Old Town, Georgian New Town and Charterhouse those rights are removed, so we confirm your exact address before a line is drawn. A validated householder application in Old Town, Hull is determined against an 8-week statutory target.
High Street (medieval merchant lane with staithes and listed warehouses along the River Hull), Fruit Market (regenerated warehouse quarter of apartments and studios by the marina), Land of Green Ginger (narrow historic street of Georgian frontages in the Old Town core), Charterhouse (almshouse precinct and terraces in their own conservation area north of the centre), Georgian New Town (planned late-Georgian streets around Charlotte Street and Kingston Square) and Wincolmlee (former industrial riverside with warehouse and mill conversions) — these are the Old Town, Hull pockets our drawings cover most. Heritage designations here include Old Town, Georgian New Town, Charterhouse and Wincolmlee. Hull City Council weighs each proposal against the Hull Local Plan 2016–2032, where listed-building density means most works need listed-building consent alongside planning permission, and pastiche or over-glazed additions are resisted. Much of the Old Town and Fruit Market is flatted through warehouse and merchant-house conversion, so householder permitted-development rights rarely apply.. On roofs the borough is pitched and mansard roofs on the historic buildings and flat and parapet-hidden roofs on warehouse conversions, over Georgian and Victorian merchant houses and warehouses, converted riverside and staith-side buildings and modern apartment infill in the Fruit Market.
The difference is not marketing. A conservatory is predominantly glazed — at least three quarters of the roof and half of the walls — which is what earns it the building-regulations exemption. An orangery has a solid masonry perimeter with a glazed lantern set into a flat roof, so it usually reads as a conventional extension for building control and has to meet Part L thermal standards, Part A structure and Part B fire like any other room.
Both are judged the same way for planning: as rear extensions, against the Class A depth, height and eaves limits, and against the Hull Local Plan 2016–2032. Old Town, Hull is largely Georgian and Victorian merchant houses and warehouses, converted riverside and staith-side buildings and modern apartment infill in the Fruit Market, and the design question is usually whether the glazing reads as a lightweight addition to that stock or as a bolted-on conservatory kit. On period houses, an orangery with a properly proportioned lantern almost always sits better than a full-height glazed box.
In conservation areas such as Old Town and Georgian New Town, rear glazing is assessed on visibility from the street and on the effect on the rear elevation's character. The Old Town is not covered by Hull's HMO Article 4 direction, which is focused on the university quarter, but as one of the city's most sensitive conservation areas almost every external alteration here needs consent regardless of permitted-development rights.
Many conservatories are permitted development. You will need an application to Hull City Council where any of these apply:
We check the scheme against the Class A planning limits and against the building-regulations exemption at the same time, so you know before committing whether you are building an exempt conservatory or a fully regulated room.
Below is Hull City Council's real householder decision record, drawn from official planning statistics and refreshed as new data lands. Hull grants about 91% of its decisions, but in the Old Town the exceptional heritage sensitivity and listed-building controls are the constraint that governs design far more than the headline rate. Glazed rear additions are judged on depth, eaves height and how the glazing meets the existing elevation.
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 High Street, Fruit Market and Land of Green Ginger, the schemes that succeed keep the eaves below the neighbour's ground-floor cill line, set the glazing back from the boundary, and use a solid parapet or brick perimeter to tie the addition into the house. On georgian and victorian merchant houses and warehouses, a lantern set in a flat roof usually reads better than a pitched glazed roof, and it avoids the summer overheating that makes full conservatories unusable for months a year.
The Old Town sits behind the Humber's tidal defences in a high flood-risk zone, so conversions of historic and warehouse buildings must demonstrate flood resilience and safe access. The decision worth making early is whether to keep the separating doors. Keeping them preserves the building-regulations exemption but leaves you with a room that is not part of the house; removing them creates one continuous space but brings the whole addition inside Part L, which changes the glazing specification and usually the heating design too. We set out both versions before you commit.
We draw glazed rear additions across Old Town, Hull. A few of the areas where they come up most often:
Orangery and conservatory drawings for High Street — medieval merchant lane with staithes and listed warehouses along the River Hull — checked against the Class A limits and drawn to Hull City Council's guidance.
Orangery and conservatory drawings for Fruit Market — regenerated warehouse quarter of apartments and studios by the marina — checked against the Class A limits and drawn to Hull City Council's guidance.
Orangery and conservatory drawings for Land of Green Ginger — narrow historic street of Georgian frontages in the Old Town core — checked against the Class A limits and drawn to Hull City Council's guidance.
Orangery and conservatory drawings for Charterhouse — almshouse precinct and terraces in their own conservation area north of the centre — checked against the Class A limits and drawn to Hull City Council's guidance.
Orangery and conservatory drawings for Georgian New Town — planned late-Georgian streets around Charlotte Street and Kingston Square — checked against the Class A limits and drawn to Hull City Council's guidance.
Orangery and conservatory drawings for Wincolmlee — former industrial riverside with warehouse and mill conversions — checked against the Class A limits and drawn to Hull City Council's guidance.
The planning test is the same for both. The building-regulations test is not.
| Structure | Planning route | Building regulations | Practical effect |
|---|---|---|---|
| Conservatory under 30m², doors retained | Class A rear extension limits | Largely exempt | Cheaper build, unheated in winter |
| Conservatory, doors removed | Class A rear extension limits | Part L applies in full | Continuous space, higher spec glazing |
| Orangery with solid perimeter and lantern | Class A rear extension limits | Fully regulated | Usable year round, better on period houses |
| Any of the above beyond the depth limits | Full householder application | As above | 8-week determination |
| Any of the above on designated land | Full householder application | As above | Design and visibility assessed |
Planning limits from the GPDO 2015, Schedule 2, Part 1, Class A; exemption criteria from the Building Regulations 2010, Schedule 2, Class 7.
A fixed process covering both consents, because they pull in different directions.
Send us your Old Town, Hull postcode and house type. We confirm the Class A limits that apply, check designation status, and score your odds against live Hull City Council decisions.
We measure the rear elevation, eaves and ground levels, and the neighbouring boundary — the numbers that decide both the projection limit and the 2-metre eaves rule.
Chartered designers develop the orangery or conservatory to your brief, and we set out clearly whether it stays inside the building-regulations exemption or becomes a fully regulated room.
We submit the certificate or application, manage validation and officer queries, and revise free until Hull City Council decides.
Often not. A conservatory is treated as a rear extension, so it can be permitted development within the Class A limits — 3 metres of projection on a terrace or semi, 4 metres on a detached house, with eaves under 3 metres where it sits within 2 metres of a boundary. In Old Town, Hull you will need an application to Hull City Council beyond those limits, and on designated land such as Old Town and Georgian New Town.
A conservatory is largely exempt if it is under 30 square metres, at ground level, separated from the house by external-quality doors, and has at least 75% of its roof and 50% of its walls glazed. Glazing, electrics and any drainage work still have to comply. Remove the separating doors and the exemption falls away — the space becomes part of the house and Part L thermal standards apply. This applies to your Old Town, Hull address specifically. Hull City Council is the decision-maker.
For planning, none — both are rear extensions assessed against the same Class A limits by Hull City Council. The difference is in building control: an orangery's solid perimeter and flat roof with a lantern usually means it fails the glazing test for exemption, so it is fully regulated. That is why an orangery costs more to build but is comfortable in January. This applies to your Old Town, Hull address specifically.
Usually yes at the rear, though permitted-development rights are narrower on designated land and an Article 4 direction can remove them entirely. The assessment turns on whether the addition is visible from the street and how it meets the original rear elevation. A restrained orangery in matching brick with a lantern is consistently easier to get through than a proprietary glazed conservatory. This applies to your Old Town, Hull address specifically. Hull City Council is the decision-maker.
A fully glazed roof will, unless it is specified for it. That is the practical reason most of our clients end up building an orangery instead: a solid insulated roof perimeter with a lantern gives daylight without the greenhouse effect, and keeps the space usable across the year. We raise it at design stage because it is much cheaper to solve on paper than after the build. This applies to your Old Town, Hull address specifically. Hull City Council is the decision-maker.
If you excavate foundations within 3 metres of a neighbouring structure and deeper than its foundations, or build on the boundary itself, the Party Wall etc. Act 1996 applies and notice must be served. That is separate from Hull City Council's planning decision. We flag it at design stage so the notice period does not delay the start on site. This applies to your Old Town, Hull address specifically.
We quote each Old Town, Hull orangery or conservatory individually, because the structure and the roof form change the work considerably, and send a fixed, no-obligation quote within one working day. It covers the full drawing pack with free revisions until Hull City Council approves. Call 020 7864 7245 to start.
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