Loft conversion specialists working across Lancing and the Adur coast. Hip-to-gable, dormer, Velux, mansard and L-shape conversions, designed and built by one team, with in-house architectural support on every project. Contact us for a free, no-obligation quote on your Lancing loft conversion.
Thinking about a loft conversion in Lancing? For most homes here the honest answer is that the roof is the easiest place to add a bedroom, and the reason is the housing itself. Lancing is overwhelmingly a town of family houses laid out on flat, regular coastal-plain streets, and a large share of them carry hipped roofs, where the side slopes inwards instead of rising to a vertical wall. That single feature decides most Lancing projects: a hip-to-gable rebuilds the sloping side into a full gable and recovers the volume the hip takes away, usually paired with a rear dormer to square off the new floor. It is the conversion we quote most often across BN15.
The second thing worth knowing is that a good part of Lancing sits outside any conservation area, so on many houses the standard permitted development route is available rather than a full planning application. That is not true everywhere, the older core at the northern end of the town is protected, and it is never a guarantee, but it does mean Lancing homeowners are less often held up at the consent stage than their neighbours a few miles east.
Plenty of Lancing homeowners weigh the loft against building out at the back instead. Plots here are often generous enough for either, and the loft is usually the one that leaves the garden intact, keeps the ground floor liveable through most of the build, and adds a bedroom rather than more living space. We will give you a straight view on which makes more sense for your house at the first visit. Contact us for a free, no-obligation quote on your Lancing loft conversion.
The right loft conversion for your Lancing home depends on the roof type, the space you want to gain, and whether you are open to altering the external roofline. Five main conversion types come up across BN15, though on the town’s predominantly hipped-roof housing the shortlist is often shorter than five. We will recommend the right one for your property after the first visit.
Rarely the whole answer in Lancing, but very often half of it. A dormer projects outward from the existing roof slope to create standing headroom and usable floor area where the roof originally sloped in, and on a hipped house it is normally added at the rear alongside a hip-to-gable rather than on its own. Where a Lancing home already has a gable end, a rear dormer by itself can be all that is needed, and away from the protected core it may fall under permitted development rather than requiring a full planning application. The space gained varies from home to home.
The signature Lancing conversion, and the reason most homes here convert well. Across the town’s family housing the roof hips in at the side, which cuts away exactly the volume a loft room needs. A hip-to-gable rebuilds that sloping side up to a full gable, turning a cramped roof space into a usable one, and it is normally combined with a rear dormer to give a square floor and a workable staircase landing. On semi-detached pairs it is worth thinking about how the new gable sits against next door, particularly on the more uniform street frontages. Exact layouts depend on the property.
The least invasive option, and the right answer where ridge height is already generous or where you would rather not change the roofline at all. It suits the older homes around the protected core at the northern end of Lancing, where any visible alteration is looked at more closely, and it suits homeowners who want a study or a spare room rather than a full extra storey of living space. The existing roof stays as it is: we strengthen the structure, insulate, board the floor and fit rooflights for daylight. Planning permission is rarely required, though listed building consent can still apply where the property itself is listed.
The most transformative of the five conversion types, and the least common in Lancing, because the town’s housing usually gives up enough space through a hip-to-gable without going this far. A mansard rebuilds the rear, and sometimes the front, roof slope to near-vertical for maximum floor area and headroom. Full planning permission is almost always required, and near the older core the design detailing tends to be examined more closely, so it is worth confirming the position with Adur District Council and a planning consultant before committing.
Suited to the older Lancing houses that carry a two-storey rear projection, the side return, which turns up among the terraces nearer the station and through the older parts of the town rather than on the later estates. An L-shape adds a dormer to both the main roof and the rear projection to create an L-shaped upstairs layout, often enough for a bedroom and a bathroom rather than a single room. It only works where that rear projection exists, which is one of the first things we check on the site visit.
A hipped roof hides its potential better than any other kind, which is why so many Lancing homeowners assume their loft is too small before anyone has measured it. The space looks unusable because the roof cuts in at the sides, not because the height is missing. We check ridge height, head heights at the walls, chimney breast positions and where a staircase can land, then show you what squaring off that hip actually releases. It is regularly a good deal more than people expect, and you will know the answer by the end of the first visit.
Worthing is our base and Lancing is next door, which makes it one of the quickest towns on our patch to reach for a first visit or for anything that comes up mid-build. We know the general planning environment across BN15 and the Adur district, and we have quoted enough hipped-roof houses along this stretch of coast to know quickly whether a hip-to-gable will give you the room you are after. You get a local team on site, consistent standards throughout the build, and a crew that respects the home they are working in.
Our team and specialist partners focus on a finish that stands up to close inspection: plumb walls, flush trims, clean plaster lines, and joinery finished to a high standard. A hip-to-gable changes the outline of the house, so the external work has to read as though it was always there, matching the roof covering and the detailing rather than announcing itself from the pavement. That outside finish matters as much as the room inside, particularly on Lancing’s more uniform street frontages. Work is carried out to current Building Regulations, and we coordinate with your Building Control inspector at the relevant stages. Examples of completed work are shown in the gallery below.
Below is how a Lancing job runs from first phone call to finished room. Design and any application sit with our in-house architectural support, the build sits with us, and three things stay legally the homeowner’s: Party Wall notices, listed building consent where it applies, and the Building Control submission. Talk those through with a surveyor, architect or the council.
The first step is a free visit to your Lancing home, and being just along the coast we can usually arrange it quickly. We measure up, look at the roof structure, and check head heights and ridge clearance, then talk through what the space could realistically deliver, including whether a hip-to-gable is worth the extra work on your particular roof. There is no cost and no obligation to proceed.
Have drawings already? We will work from them. If not, our in-house architectural support produces the layout and the technical drawings, which on a hip-to-gable means setting out the new gable and the rear dormer together rather than as two separate ideas. The quote and an indicative build programme come with the drawings.
A good number of Lancing houses convert under permitted development, in which case there is no application to wait on, though a Lawful Development Certificate is still worth obtaining as written proof for a future sale. Where a full application is needed, our architectural partners prepare and submit it to Adur District Council for you. Confirm the position for your own address with the council, and speak to a surveyor or architect about Party Wall requirements before work starts, since those notices are legally yours to serve and cannot be served by the builder.
On-site construction begins once the consents, drawings and structural calculations are in place. Timescales vary with the conversion type and the property, and we set out an indicative programme at quote stage. A hip-to-gable involves more structural work at the side of the house than a rear dormer alone, so scaffold and access get planned around your boundary and your neighbour's early. The opened roof is kept weatherproof throughout.
Building Control is appointed and booked by you, through the council's service or an approved inspector of your choosing. We build to the current regulations and flag each inspection stage as it comes up, so the structural work on a hip-to-gable is signed off at the right point rather than opened up again later.
When the final inspection has been signed off on your side, the finished loft is handed over. Keep the completion certificate with your property records, along with any Lawful Development Certificate, because a buyer's solicitor will ask for both and a conversion without paperwork is harder to sell than one with it.
A selection of recent loft conversion projects completed across Lancing, the neighbouring Adur towns and the wider West Sussex coast, spanning a range of conversion types on everything from hipped-roof semis to older terraces. If you would like to see examples of work closer to your own street, get in touch and we will share relevant projects.
The notes below are general context for Lancing homeowners considering a loft conversion and don’t constitute legal advice. Always confirm the position for your property with Adur District Council, and where relevant with an architect, planning consultant or party wall surveyor, before any work starts.
Planning authority. Planning in Lancing is run by Adur District Council through the shared Adur & Worthing service, and the built-up town sits outside the South Downs National Park, which begins beyond its northern edge.
Permitted development. Much of Lancing’s housing sits outside a conservation area, so a loft conversion can often proceed under permitted development, subject to the usual limits on volume, position and materials and to any Article 4 Direction, with a Lawful Development Certificate worth obtaining for your records.
Conservation area. The older core at the northern end of the town is protected, and there permitted development rights are usually tighter and a full application more likely.
Listed buildings. Listed buildings are concentrated around that older core and on the higher ground above the town, and where one is involved, listed building consent is separate from planning permission.
Flood risk. Some low-lying seaward streets carry a coastal or surface-water flood consideration, which bears on ground works far more than on the loft itself.
Party wall. On terraced and semi-detached homes, serving any Party Wall notice is the homeowner’s legal responsibility and cannot be done by the builder.
Apex is based in Worthing and works right across Lancing, from the seafront streets through the main body of the town and up toward the northern edge, along with neighbouring Sompting, North Lancing, Shoreham-by-Sea and Southwick. Being this close keeps site visits easy to arrange and keeps the build moving without a contractor travelling in from a distance.
The first step is a free site visit. We measure up, assess the roof structure and head height, and talk you through realistic options for the space, including whether the loft or a ground-floor route makes better sense for your house. From there our in-house architectural support can handle drawings and any planning application, and you will want to confirm the planning position for your property directly with Adur District Council and discuss any Party Wall requirements with a surveyor or architect before the build starts.
Apex works on loft conversions across Worthing, Brighton & Hove and the wider West Sussex coast. The pages below give a closer look at
the housing, planning and conversion types we see in each area. If your town or village isn’t listed, we likely still cover it, get in
touch for a quick check.
The questions Lancing homeowners ask us most often, answered plainly. If yours is not here, send it through the contact form and we’ll answer it directly.
Timescales vary with the conversion type, the size and condition of the property, and the consents involved. Simpler rooflight conversions are generally the quickest, while dormer, hip-to-gable, L-shape and mansard builds take progressively longer. A hip-to-gable with a rear dormer, which is the common Lancing job, sits in the middle of that range and involves more structural work at the side of the house than a dormer on its own. Where the work falls under permitted development the consent stage is usually shorter than for a full application to Adur District Council. We will give you a realistic programme for our part of the work at quote stage.
Often not, which is one of the practical advantages of converting in Lancing. Much of the town’s housing sits outside a conservation area, so a rear dormer or a hip-to-gable can frequently proceed under permitted development, subject to the national rules on volume, position, materials and listed-building status, and to any Article 4 Direction that applies to your address. The older core at the northern end of the town is the main exception, where permitted development rights are usually restricted and a full application to Adur District Council is more likely. Where an application or a Lawful Development Certificate is needed, our in-house architectural support can prepare and submit it on your behalf, and we would always recommend confirming the position for your specific property directly with the council. Building Regulations apply to every loft conversion and are separate from planning.
Yes, in almost every case. The roof stays weatherproof from the moment it is opened and the work happens above your existing ceilings, so the house carries on functioning. Two stages are noticeably disruptive, the steels going in and the new staircase being cut through, and we give you notice of both. The Lancing-specific point is the side of the house: a hip-to-gable means scaffold and working space along the flank wall for a spell, so where the gap to the boundary is narrow we agree access with you, and with your neighbour, before the scaffold is ordered.
Industry research has long suggested that a well-built loft conversion can add meaningful value to a home, though the actual uplift varies with the property, the local market and the quality of the finish. In Lancing, where demand is shaped by the rail links along the coast and into London, easy access to the seafront, and prices that sit below neighbouring towns, turning a three-bedroom house into a four-bedroom one is generally well received. For many families it also removes the immediate pressure to move, which in a town where the housing is fairly uniform can otherwise mean leaving the area to upsize.
As a general guide, you will typically need a floor-to-ridge height of around 2.2 to 2.3 metres for a loft conversion to be viable, measured from the top of the existing ceiling joists to the underside of the roof ridge. Where head height is tight, a dormer or a hip-to-gable can create the usable room, while a rooflight conversion generally needs the existing height to be sufficient already. On a hipped Lancing roof the ridge height is often adequate even where the space feels unusable, because it is the hip cutting in at the side, not the height, that makes it feel small. It is one of the first things we check at the free site visit.
It depends on your roof shape, the amount of space you want to gain, and whether you are open to altering the external roofline. As a broad steer for Lancing, a hipped roof usually points to a hip-to-gable with a rear dormer, which is the combination that gives most of the town’s houses a proper double bedroom rather than a box room. Houses that already have a gable end often need only the rear dormer. Older houses with a two-storey rear projection can suit an L-shape. A rooflight conversion works where headroom is already generous or where you would rather leave the roofline alone. We will recommend the best option for your specific property at the free site visit.
Yes. Every loft conversion has to meet the Building Regulations, whether or not planning permission is required, and that applies just as much to the many Lancing conversions that proceed under permitted development. The regulations cover structural stability, often steel beams and reinforced floor joists, fire safety including escape routes, fire doors and smoke alarms, staircase design and headroom, thermal insulation, and sound insulation between the new rooms and the rest of the house. On a hip-to-gable the structural side carries the most weight, because the roof is being reshaped rather than simply opened up. Building Control submission and inspections are the homeowner’s responsibility, either through the local authority or through an approved inspector you appoint.
