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Permitted821907Submitted 43 years agoLoft conversion

17 Thornhill Crescent Islington

The enlargement of the existing mansard roof with 2 no. front dormers together with internal alterations in connection with the conversion into 4 no. self contained dwelling units (Listed Building Consent)

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Progress

Submitted
23 May 1983
— completed
Validated
23 May 1983
— completed
Consultation
—
— completed
Target date
—
— completed
Decided
27 Jun 1983
— completed

Application details

Reference
821907
Local authority
Islington
Ward
75
Application type
All Other
Property type
House

Key dates

Submitted
23 May 1983
Validated
23 May 1983
Decided
27 Jun 1983

Estimated project value

£28k–£75k

Typical UK cost for this job type, at UK average rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: Checkatrade 2026 loft conversion cost guide.

Planning constraints

No designations recorded at this location. This is not a formal search — always confirm with the local authority before relying on it.

Designations from planning.data.gov.uk, Open Government Licence v3.0. Indicative only — not a formal local authority search.

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