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Permitted23/00354/FULLSubmitted 3 years agoLoft conversion

230 Rosebay Avenue Billericay Essex CM12 0YB

Conversion of pitched roof to mansard to create room within roof of existing detached garage; installation of rooflights and first floor windows

Find on council portalDocuments (6)

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Progress

Submitted
9 Mar 2023
— completed
Validated
10 Mar 2023
— completed
Consultation
2 May 2023
— completed
Target date
12 May 2023
— completed
Decided
9 May 2023
— completed

Application details

Reference
23/00354/FULL
Local authority
Basildon
Postcode
CM12 0YB
Ward
Billericay West
Application type
Full
Property type
House

Key dates

Submitted
9 Mar 2023
Validated
10 Mar 2023
Comments close
2 May 2023
Target decision
12 May 2023
Decided
9 May 2023

6 documents · 4 comments · 0 constraints

Estimated project value

£79k–£215k

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

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 2 recent sales are listed below.

Homes here go for about £611,125 — the median of the last 8 market sales in CM12 0YB, £575,000 to £660,000.

Contains HM Land Registry data © Crown copyright and database right 2025. This data is licensed under the Open Government Licence v3.0. Sales are matched by postcode, not by property, so a sale listed here may be a neighbouring address. England and Wales only.

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.

Nearby applications