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Permitted26/00716/S192Submitted 4 weeks agoGarden room

Sunnyside 18 Burnthouse Lane Mountnessing Essex CM4 9AN

Application for a Lawful Development Certificate for a Proposed Use or Development for proposed construction of a detached garden room within the rear garden of the existing dwelling.

Find on council portalDocuments (13)

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Progress

Submitted
11 Aug 2026
— completed
Validated
11 Aug 2026
— completed
Consultation
— completed
Target date
6 Oct 2026
— completed
Decided
26 Aug 2026
— completed

Application details

Reference
26/00716/S192
Local authority
Brentwood
Postcode
CM4 9AN
Ward
Ingatestone, Fryerning And Mountnessing
Application type
Outline
Property type
House

Key dates

Submitted
11 Aug 2026
Validated
11 Aug 2026
Target decision
6 Oct 2026
Decided
26 Aug 2026

13 documents · 0 comments · 4 constraints

Estimated project value

£14k–£46k

Typical UK cost for this job type, at South East rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: trade estimate.

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.

Homes here go for about £553,250 — the median of the last 8 market sales in CM4 9AN, £420,000 to £760,000.

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.

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