HULL

Loft Conversions in Kingston upon Hull

In a Hull terrace the roof is rarely the difficulty. The difficulty is finding somewhere for the new staircase to arrive that does not cost you the room you were trying to gain. We draw the first floor and the loft together, on the same visit.

Book a Consultation07466 296416

Where The Stair Lands

on a hull terrace the stair is the hard part.

Hull has a great deal of Victorian and Edwardian terraced and small semi-detached housing, and those plans are long and narrow rather than wide. That shape is generous in the roof and mean at first floor level. There is often plenty of loft to work with and almost nowhere obvious to arrive, because the existing stair is tight against a party wall and the landing is barely wider than a door.

Approved Document K fixes two metres of headroom over the new flight, with a reduced allowance permitted at the very edge of the stair in defined circumstances. That single number is what usually settles a marginal loft, not the height of the room itself. Running the new flight straight up over the existing one is the cleanest answer where the roof allows it, because the headroom is taken at the ridge rather than under a slope.

Every other option takes something. Turning the flight into a rear bedroom borrows a corner permanently. Running it along the landing narrows the route past the bathroom door. We draw two or three of these properly, to scale, before anyone falls in love with the loft plan, because gaining a bedroom and swapping a bedroom look identical on a brochure and nothing like each other in a house.

  • Measured survey of the loft and the whole first floor, not just the roof space
  • Stair positions tested against Approved Document K headroom before design starts
  • Existing landing, bathroom and bedroom doors checked for clear access
  • Storage in the eaves planned in rather than lost by default
  • Revised first floor plan issued with the loft plan

Our Process

how we work.

01

Loft Visit

We measure ridge to joist, look at the roof timbers and stand where the stair would have to arrive.

02

Stair Study

Two or three stair positions drawn over the existing first floor plan so you can see the real cost of each.

03

Feasibility

A straight answer on whether the height, the roof and the landing will carry a proper room.

04

Design

Loft layout, rooflight or dormer strategy and the revised first floor, drawn as one scheme.

05

Approvals

Permitted development assessment, or a full application to Hull City Council where the design needs one.

06

Build

Structure, floor, roof and stair sequenced on site by the practice that drew them.

Kingston upon Hull

the staircase decides the plan.

On a narrow city plan there are usually only two or three places a compliant stair can physically go, and each of them takes something from the floor below. That choice is made early or it is made badly.

Planning authority: Hull City Council

Roof Structure

older hull roofs are usually on your side.

Most of the older housing in the city carries a traditional cut roof, assembled on site from rafters supported by purlins, which leaves a large open void through the middle. That is the roof type that converts most readily, because the structure sits at the edges rather than filling the space, and the work becomes a matter of strengthening rather than rebuilding.

Newer parts of the city are a different proposition. Houses built from roughly the 1960s onwards generally have trussed rafter roofs, a web of thin timbers braced into triangles with no usable void at all. Those convert perfectly well, but steel or engineered timber beams have to be installed to pick up the roof and floor loads before a single truss web is cut. It is the same finished room and a noticeably different piece of work, which is why we look before quoting rather than after.

  • Cut roof and trussed rafter surveys, with the difference explained in writing
  • Purlin, rafter and party wall bearing positions recorded
  • Beam design where trusses have to be removed
  • New floor structure sized for domestic loading, not storage loading
  • Party wall matters identified early on terraced and semi-detached property
older hull roofs are usually on your side. - The Yorkshire Architect

Third Storey

two storeys become three, and the rules change.

The moment a loft becomes habitable, a two storey house becomes a three storey one, and Approved Document B expects a protected route from the top of the house to a final exit. In practice that means the stair enclosure has to hold together as a fire compartment, habitable rooms opening onto it need fire resisting doors, and mains powered interlinked alarms go in on every level.

This is where older city housing that has been opened up over the years causes trouble. A knocked through ground floor with the stair rising out of the living space does not give you a protected route on its own. There are recognised alternatives, including sprinkler systems and alternative escape arrangements, but they are agreed with building control rather than assumed. We would rather raise it at the first visit than have you find out when the drawings reach approval.

  • Protected stairway strategy assessed against the house as it actually is
  • Fire door schedule and interlinked alarm layout across all three storeys
  • Alternative arrangements discussed with building control where a full enclosure is not possible
  • Insulation and ventilation designed to keep the roof timbers dry
  • Completion certificate the endpoint, not an optional extra
two storeys become three, and the rules change. - The Yorkshire Architect

Recent Work

projects near kingston upon hull.

Loft Conversions by The Yorkshire ArchitectLoft Conversions by The Yorkshire ArchitectLoft Conversions by The Yorkshire ArchitectLoft Conversions by The Yorkshire Architect

Questions

loft conversions in kingston upon hull, answered.

Which council approves a loft conversion in Kingston upon Hull?

Hull City Council is the planning authority for the city, and it also determines lawful development certificates. Building control is a separate process and can be handled either by the council or by an approved inspector. Many loft conversions need no planning application at all, but they always need building regulations approval.

Can a Victorian terrace in Hull take a loft conversion?

Frequently yes. Older terraced roofs are usually traditional cut roofs with a genuine open void, so the structure is workable. The constraint is nearly always the staircase rather than the roof, because a narrow plan gives you very few places to arrive at the top without giving up a bedroom corner.

How much head height do I need?

The working rule of thumb is around 2.2 metres measured from the top of the existing ceiling joists to the underside of the ridge. That allows for the new floor build-up and the insulated roof lining, both of which take height out of the finished room. It is a trade measure, not a legal threshold.

Is there a legal minimum ceiling height for a loft room?

No. England has no single statutory ceiling height for a habitable room. What is fixed is headroom over the staircase, set at two metres in Approved Document K with a reduced allowance permitted at the edge of the stair in certain circumstances. In tight lofts the stair is what decides feasibility.

How do I know whether my roof is cut or trussed?

Look through the hatch. A largely open space with heavy timbers running horizontally across the rafters is a traditional cut roof. A lattice of thinner timbers with diagonal bracing filling the whole void is a trussed rafter roof, which is normal in houses built from roughly the 1960s onwards.

Does a trussed roof cost more to convert?

Generally yes, because beams have to go in to carry the roof and the new floor before any truss can be cut. It is routine work rather than a barrier, but it is a bigger structural job than strengthening an existing cut roof, and the difference shows up in both the programme and the price.

Do I need planning permission in Hull?

Often not. Many loft conversions fall within householder permitted development, subject to allowances on added roof volume, set back from the eaves, materials and the treatment of side facing windows. Rights are reduced in conservation areas, do not apply to flats, and can be removed by an Article 4 direction or a condition on an earlier permission.

If my street is in a conservation area, does that change things?

If your property falls inside a designated area, permitted development rights are cut back, particularly for anything visible from the street, and a full application becomes more likely. We confirm the designation for your specific address at the start rather than assuming a rule for the whole street.

Will I lose a bedroom to the new staircase?

Not if the stair is designed rather than assumed. On many Hull terraces the new flight can run over the existing one, which costs only landing space. Where it cannot, it borrows from a bedroom, and that is exactly why we draw the first floor at the same time as the loft.

What fire precautions will building control expect?

Adding a third storey normally triggers a protected escape route, fire resisting doors to habitable rooms off the stair, and mains powered interlinked smoke alarms on every level. Where the ground floor has been opened up, either the route is re-formed or an alternative such as a sprinkler system is agreed with building control.

Can the existing ceiling joists carry a bedroom floor?

Almost never. They were sized to hold a ceiling and light storage, not people and furniture. A new floor is designed to domestic loading, usually deeper joists spanning onto new beams or load bearing walls, and it is normally installed alongside the existing joists rather than replacing them.

Do you work outside the city boundary?

Yes. We work across Hull and out into the East Riding, including Cottingham, Anlaby, Hessle and Hedon. The technical work is identical, though applications outside the city boundary go to East Riding of Yorkshire Council rather than Hull City Council.

Can I put an ensuite in the loft?

Usually. It needs a soil connection routed down through the house, and it needs enough water pressure at the highest point in the building, which occasionally means a pump or a change to the hot water arrangement. Both are far cheaper to resolve on a drawing than in the eaves.

let us see where the stair goes.

A free consultation, a proper measure of the roof and the landing, and an honest answer before you spend anything.

Book a ConsultationCall 07466 296416