Loft conversion in Queen’s Park

Test the roof space before settling on a layout.

Start with the loft conversion brief

A measured roof survey should establish headroom, structural spans and where a staircase could meet the floor below. Plan the stair, escape route, insulation and building services together before treating the loft as another room.

Compare the proposed roof shape with the address-specific design guidance below. Record chimneys, shared walls and neighbouring rooflines, then ask the appointed designers to identify the structural work and consents the proposal needs.

The local building context

Brent’s character appraisal, adopted on 28 May 2024, places its Queen’s Park area between Salusbury Road to the east and Chamberlayne Road to the west, with Brondesbury Park Station to the north and Queen’s Park Station marking the southern edge. Rows of two- and three-storey Victorian and Edwardian terraces dominate the streets, with small groups of semi-detached villas. Hopefield Avenue, Montrose Avenue and Summerfield Road, built from 1897 to 1899, use yellow London stock brick with stone dressings, while Kempe Road’s houses have classically influenced window dressings, including floral capitals, and cast-iron balconies.

On Chevening Road, the appraisal describes relatively large two-storey red-brick semi-detached houses behind generous front gardens and, on part of the west side, large three-storey red-brick semis behind a generous forecourt; that side was under construction by 1899, with houses designed by G A Sexton and built by Bennet and Gimbrett. The shop terraces at 46–56 (even) and 53–101 (odd) Salusbury Road have two levels of accommodation above each shop and mostly keep timber sash windows, and Lonsdale Road is a wide cobbled road, unique in Brent, fringed with converted stables, workshops and mews buildings.

Westminster’s Queen’s Park Estate Conservation Area lies in the north-west corner of the City of Westminster, adjoining Brent, and covers a large swathe of housing between Harrow Road and Kilburn Lane. Its 2005 audit describes terraces of two-storey cottages with gardens, generally two bays wide and mostly in yellow stock brick in Flemish bond with red brick detailing, under shallow-pitched Welsh slate roofs and with double-hung, single-glazed timber sliding sashes; some were purpose-built as flats with a shared front door. Historic England lists 68 to 82 and 132 to 154 (even) Fifth Avenue, terraces of about 1880, at Grade II.

Local design and consent context

The 1986 and 1995 boundary left out the area’s commercial edges, mainly Salusbury Road and Lonsdale Road, which the review appraised; on Salusbury Road, the appraisal records Kilburn Library, opened in 1894, as locally listed. The appraisal also proposed moving Honiton Road and Lynton Road in from the Kilburn Conservation Area, and did not recommend Wrentham Avenue, Crediton Road, Dundonald Road or Okehampton Road for inclusion, because most properties there had very large dormers extending onto the outriggers. These were the appraisal’s proposals, so confirm the current boundary for the address with Brent.

Brent states that all of its residential conservation areas are covered by Article 4 directions. The Queen’s Park direction in force from 18 December 2021 replaced directions of 1994 and 2004. Its first schedule withdraws householder permitted development rights to enlarge, improve or alter a house, except single-storey rear extensions that do not extend beyond a side wall of the original house, and covers roof alterations, porches, outbuildings, front or side hard surfaces, and chimneys and flues.

Westminster’s audit of the Queen’s Park Estate Conservation Area, adopted on 15 April 2005, says the area was designated in 1978 and that further controls came in February 1993, when an Article 4 direction took effect; that direction, as copied in the audit, cancelled one made on 6 May 1981. The controls listed include alterations to the front or any elevation visible from the street, changes of roofing material or colour, and boundary walls, fences and gates to the front or visible from the street. Westminster’s Article 4 page lists the Queen’s Park Estate, W10, for most properties.

Access and site planning

Plan where deliveries will pull up, where waste will be held and how a shared hall or stair will be protected. In Brent, a skip on the road needs a skip licence, which only skip companies can apply for, and scaffolding needs a Brent licence and must leave at least 1.2m of pavement for pedestrians. Brent’s parking page asks for bay suspensions at least 7 working days ahead, while its skip and highway licence pages say 21 days, so apply early and check both. For a Westminster address, a bay suspension needs 10 working days’ notice.

Continue planning

The Queen’s Park area guide · Loft conversion across London · Hampstead Architecture & Planning · Hampstead Chartered Surveyors

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