Dormer, hip to gable and mansard loft conversions in Dalston. Trusted, professional, 30+ years' hands-on experience.
GS Renovation converts lofts in Dalston, where Victorian terraces off London Fields sit alongside period conversion flats and newer apartments. In E8 the first question is whether you own the whole house. If you do, there is usually a good conversion in the roof. We coordinate the engineer and carry Hackney Council building control through to sign-off.

A great deal of Dalston housing has been split into flats, and a top floor leasehold flat is a different proposition entirely. You would need the freeholder's consent to build into roof space you probably do not own, plus agreement from other leaseholders, and in many blocks that consent is simply not forthcoming. We will tell you that at the outset rather than after a survey. Where you own the freehold of a whole terraced house, the picture is much better.
On an intact E8 terrace with a rear closet wing, the L-shaped dormer is the design that pays for itself: a double bedroom across the back of the main roof, with the leg over the wing taking a bathroom and the head of the stair. Indicative London ranges for 2026 put that at roughly £55,000 to £80,000, with an en suite adding £8,000 to £15,000 depending on how far the soil pipe has to travel.
Hackney has extensive conservation areas, and several Dalston streets sit inside them. Where they do, permitted development rights for a loft conversion are removed and a planning application to Hackney Council is required. Outside those areas a rear dormer within the 40 cubic metre terraced volume allowance may be permitted development, subject to the usual conditions on matching materials, obscure glazed side windows and nothing projecting forward of the roof plane.
Terraced work in E8 is almost always notifiable under the Party Wall etc. Act 1996, because steel bearings and dormer cheeks cut into the wall you share. The legal duty to serve notice is the building owner's, not the contractor's, so you serve and we supply the technical detail behind it. Building regulations then apply regardless of the planning route, covering fire escape, stair geometry, the new floor structure, insulation and ventilation.
Dalston homeowners choose GS Renovation because we start by telling you whether the job is viable at all, which in E8 is a real question. Where it is, one team handles engineer coordination, steels, dormer, stair, insulation and finish, with Hackney Council building control from first inspection to completion certificate. Fully insured, 4.9 from 31 MyBuilder reviews.
George was very friendly and helpful from start to finish. He worked really hard to ensure our kitchen was installed to a high standard and was accommodating to the changes we wanted along the way. We're really happy with the end result…
George always kept to commitments and arrived on time. He offered helpful suggestions during his initial visit and promptly provided a reasonably priced quote. The work started on time and George worked really hard every day. There were…
Saiid did a complete refurbishment of our small bathroom. This involved ripping out the existing bath/shower, basin, toilet, pipework, and tiles and replacing with new. Saiid was very helpful during the planning stage giving useful advice…
FAQ
We price loft conversion once, properly: a real survey at E8, a written scope, and an itemised quotation reflecting how Dalston houses are actually built rather than an average taken from somewhere else. As a rough guide, loft conversion in London runs roughly £30,000 to £45,000 for a rooflight scheme, £45,000 to £65,000 for a rear dormer, £55,000 to £80,000 for an L-shaped dormer or a hip to gable with a dormer, and £70,000 to £100,000 or more for a mansard; an en suite adds roughly £8,000 to £15,000 (indicative London ranges, MyBuilder and Checkatrade, 2026). Your figure depends on the size, specification and condition of the property, which is why we survey before quoting.
Building control adds time to loft conversion but not much, provided inspections are booked ahead. GS Renovation handles that with Hackney Council so your E8 project in Dalston is not waiting on paperwork.
We are rated 4.9 from 31 reviews on MyBuilder, and the work behind them is the same loft conversion we would do at your E8 address. They are public, so read them before deciding on Dalston.
Usually yes, in a terrace or semi. Loft steels normally bear into a wall shared with a neighbour, which makes the work notifiable under the Party Wall etc. Act 1996. The duty to serve sits with you as building owner, so we prepare the notices for your Dalston property and you serve them, well before steel is ordered.
We do, and we would rather tell you early if loft conversion is difficult at your particular E8 property than find out on site. The Dalston survey is free either way.
Usually not without the freeholder's consent, and often not at all. If you hold a leasehold top floor flat, the roof void generally belongs to the freeholder, so you need their written agreement and often that of other leaseholders before anything else. Some blocks will grant it and many will not. If you own a whole freehold house in E8, the position is far more straightforward.
Loft conversion across Dalston is core work, not an outlying job. We are on sites throughout Hackney most weeks, so a E8 address is straightforward to service.
Every Service, One Team
The same trusted team, 30+ years' hands-on experience and free, no-obligation quotes apply to every GS Renovation service in Dalston. Explore what else we do locally:
Same Service, Nearby Areas
We carry out loft conversion across Dalston and the surrounding areas. Explore a nearby location:
Free, no-obligation quote for loft conversion in Dalston. Rated 4.9 from 31 reviews on MyBuilder, fully insured, and building control handled for you.