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Permitted5/2021/1515Submitted 5 years agoRear extension

11 Rosebery Avenue Harpenden Hertfordshire Al5 2Qt

Single storey side and rear extensions and internal alterations

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Progress

Submitted
20 May 2021
— completed
Validated
23 May 2021
— completed
Consultation
1 Jul 2021
— completed
Target date
1 Jul 2021
— completed
Decided
13 Jul 2021
— completed

Application details

Reference
5/2021/1515
Local authority
St Albans
Postcode
AL5 2QT
Ward
Harpenden West
Application type
Full
Property type
House

Key dates

Submitted
20 May 2021
Validated
23 May 2021
Target decision
1 Jul 2021
Decided
13 Jul 2021

8 documents · 0 comments · 0 constraints

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

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

Homes here go for about £2,393,750 — the median of the last 8 market sales in AL5 2QT, £652,000 to £3,550,000.

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