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Permitted6/2024/2271/PN8Submitted over a year agoRear extension

12 Sycamore Avenue AL10 8LZ

Prior approval for the erection of a single storey rear extension measuring 5.9m in depth, 2.9m in height and 2.5m to the eaves

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Progress

Submitted
26 Nov 2024
— completed
Validated
28 Nov 2024
— completed
Consultation
20 Dec 2024
— completed
Target date
—
— completed
Decided
2 Jan 2025
— completed

Application details

Reference
6/2024/2271/PN8
Local authority
Welwyn Hatfield
Postcode
AL10 8LZ
Ward
Hatfield South West
Application type
Outline
Property type
House

Key dates

Submitted
26 Nov 2024
Validated
28 Nov 2024
Decided
2 Jan 2025

Estimated project value

£35k–£63k

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: MyJobQuote / Checkatrade 2026, ~20m² at £1,800-£3,000/m².

Recently sold nearby

New owners, recently moved in. First work on a house usually follows within months of completing. 2 recent sales are listed below.

Homes here go for about £618,000 — the median of the last 8 market sales in AL10 8LZ, £205,000 to £740,000.

Contains HM Land Registry data © Crown copyright and database right 2026. 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