55 Calder Avenue Brookmans Park Hatfield AL9 7AH
Erection of a part single storey rear and side to rear first floor extension
Tracking, tags and letters are part of the paid plan. See what it costs. Searching and reading any record stays free.
Progress
Application details
- Reference
- 6/2021/2173/HOUSE
- Local authority
- Welwyn Hatfield
- Postcode
- AL9 7AH
- Ward
- Brookmans Park & Little Heath
- Application type
- Full
- Property type
- House
Key dates
- Submitted
- 19 Jul 2021
- Validated
- 28 Jul 2021
- Decided
- 21 Sept 2021
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. 2 recent sales are listed below.
- 9 CALDER AVENUE, HATFIELD, AL9 7AHDetached · £1,125,0009 months ago19 Nov 2025
- 43 CALDER AVENUE, HATFIELD, AL9 7AHDetached · Not a standard market sale · £1,175,00017 months ago20 Mar 2025
- 1A CALDER AVENUE, HATFIELD, AL9 7AHDetached · Not a standard market sale · £1,100,0005 years ago14 Apr 2021
- 31 CALDER AVENUE, HATFIELD, AL9 7AHDetached · £1,015,0006 years ago19 Dec 2019
- 1A CALDER AVENUE, HATFIELD, AL9 7AHDetached · £925,0006 years ago25 Oct 2019
- 5 CALDER AVENUE, HATFIELD, AL9 7AHDetached · £950,0006 years ago18 Oct 2019
- 1 CALDER AVENUE, HATFIELD, AL9 7AHDetached · £1,500,0007 years ago13 May 2019
- 9 CALDER AVENUE, HATFIELD, AL9 7AHDetached · £1,070,0008 years ago25 Oct 2017
Homes here go for about £1,042,500 — the median of the last 6 market sales in AL9 7AH, £925,000 to £1,500,000.
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
- 29 Georges Wood Road Brookmans Park Hatfield AL9 7BYPermitted93 yd
- 11 Georges Wood Road Brookmans Park AL9 7BYPending166 yd
- 57 Great North Road Brookmans Park AL9 6LAPermitted287 yd
- 4 Georges Wood Road Brookmans Park Hatfield AL9 7BZPermitted292 yd
- 44 Mymms Drive Brookmans Park Hatfield AL9 7AFPermitted357 yd
- 6 Calder Avenue Brookmans Park Hertfordshire AL9 7AQPermitted383 yd