Loft Conversions in Edgware, HA8
Dormer, hip-to-gable and mansard loft conversions for houses in Edgware: a bedroom and bathroom under the roof, designed and built by one team.
Covered under one contract
- Structural design and calculations
- Planning or lawful development certificate
- New staircase, dormer and roof windows
- Insulation, fire safety and building control
- En-suite designed and fitted
- Waterproofing with guarantee for basements
Loft Conversions in Edgware.
A loft conversion adds a bedroom and bathroom without touching the garden, and in most of Edgware it is the most cost-effective way to gain a floor. Which type suits your house depends on the roof: Victorian and Edwardian terraces usually take a rear dormer, 1930s semis with hipped roofs need a hip-to-gable conversion to make the space usable, and in conservation areas a mansard or rooflight scheme may be the only option.
We start by measuring the roof. About 2.2 metres from the top of the joists to the ridge is needed for a comfortable room; we check this at the first visit before anything is drawn. From there our architects design the layout and the stair, our engineers design the new floor and any steelwork, and our team builds it with the house occupied throughout.
Most lofts are permitted development within the 40 or 50 cubic metre allowance, with the dormer at the rear. Flats, listed buildings and streets with Article 4 directions need a planning application, and every loft needs building regulations approval for the structure, fire escape and insulation. We manage all of it.
- Area
- Edgware, HA8
- Council
- London Borough of Barnet and London Borough of Harrow
- Housing
- 1930s semi-detached and detached houses on wide plots, larger houses around Canons Park and Edgwarebury, post-war houses and new apartments near the station
- Transport
- Edgware (Northern), Canons Park (Jubilee)
- Loft, on site
- 8 to 12 weeks
- Headroom needed
- About 2.2 m at the ridge
- Consent
- Often permitted development for lofts
Edgware: the houses and the planning rules.
Edgware is the northern end of the Northern line and one of the most generously planned of the inter-war suburbs: wide avenues of 1930s detached and semi-detached houses, the larger homes around Canons Park and up towards Edgwarebury, and a town centre that is being rebuilt with new apartments.
The plots are wide enough for side extensions as well as rear ones, which opens up the whole ground floor, and the hipped roofs convert well. We do full refurbishments, double-storey extensions and lofts here, and the detached houses around Canons Park attract projects at the top of the suburban market.
The Edgware Conservation Area covers a small part of the old High Street and Canons Park; most streets are unrestricted.
Barnet and Harrow
Edgware straddles the two boroughs; Barnet covers most of it. Both allow most single-storey extensions and lofts under permitted development outside the conservation area.
Side extensions
Single-storey side extensions up to half the width of the house are usually permitted development; two-storey side extensions need a householder application.
Canons Park
Around Canons Park, the conservation area and protected trees affect what can be built and how close to the boundary.
Approvals for loft conversions in Edgware.
Most loft conversions are permitted development within the 40 cubic metre allowance for a terrace or 50 for other houses, with the dormer at the rear. Conservation areas, flats and front dormers need a planning application, and every loft needs building regulations approval.
Edgware straddles the two boroughs; Barnet covers most of it. Both allow most single-storey extensions and lofts under permitted development outside the conservation area.
What loft conversions in Edgware includes.
- Structural design and calculations
- Planning or lawful development certificate
- New staircase, dormer and roof windows
- Insulation, fire safety and building control
- En-suite designed and fitted
- Waterproofing with guarantee for basements
From site visit to handover.
- 01
Site visit & consultation
We visit, listen and measure. Brief, budget and constraints understood before any advice is given.
- 02
Design & itemised quote
Our architects and engineers draw the scheme, and from that we provide a transparent, itemised quotation for your approval.
- 03
Planning & approvals
Planning applications, building control and party wall matters handled for you.
- 04
Build, managed weekly
Our own trades, sequenced by a site manager. Progress reported every week.
- 05
Handover & aftercare
Joint snagging walk-through, documentation, and a guarantee on our workmanship.
Loft Conversions in Edgware: your questions.
Is a loft conversion in Edgware permitted development?
Often, provided the added volume is within 40 cubic metres for a terrace or 50 for other houses and the dormer is at the rear. Flats, listed buildings and streets with Article 4 directions need an application to the London Borough of Barnet and London Borough of Harrow.
How much headroom do I need for a loft conversion?
About 2.2 metres from the top of the ceiling joists to the ridge. Victorian and Edwardian roofs usually have it; 1930s hipped roofs often need a hip-to-gable conversion to make the space usable. We measure at the first visit.
Which parts of Edgware do you cover?
All of Edgware and HA8, including Edgwarebury Lane, Broadfields Avenue, Canons Drive, Green Lane, Hale Lane, Penshurst Gardens, and the neighbouring districts. We are based in London and our teams work across central, north, north-west, west and south-west London.
Other services in Edgware.

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Flat Refurbishment in Edgware
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House Extensions in Edgware
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Structural Alterations in Edgware
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Bathroom Renovation in Edgware
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Architectural & Interior Design in Edgware
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Planning Permission & Building Regulations in Edgware
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We will visit, listen and explain what is possible for your property and how it would be approved. No pressure, no sales pitch.
