Spring House St Marys Lane Hertingfordbury Hertfordshire SG14 2LF Data via plota.co.uk

3/26/0585/CLPO - CL Proposed Operations Approved
Extensions & alterations

Proposal

Certificate of Lawfulness for erection of a garden room/outbuilding Data via plota.co.uk

Track application Save this application and get an email when its status or decision changes. Alerts nearby Get email alerts for new planning applications near this address.
View original council record ↗Last checked

Application progress

✓
Received
24 Apr 2026
✓
Approved
26 May 2026

Approved on 26 May 2026 · Delegated Decision · Last checked 5 Jul 2026

Documents 4

Decision & officer reports 1

PDF CL OPERATION PROPOSED APPROVAL Decision Notice · 26 May 2026 View ↗

Plans & drawings 1

PDF LOCATION, BLOCK AND PROPOSED PLANS AND ELEVATOINS Other Drawing · 24 Apr 2026 View ↗

Application forms 1

PDF APPLICATION FORM - WITHOUT PERSONAL DATA Application Form · 24 Apr 2026 View ↗

Other documents 1

PDF Officers Report Officers Report · 26 May 2026 View ↗

All documents on the council site ↗

Site constraints 2

Green belt: London
Inappropriate development needs very special circumstances.
Green belt policy allows a short list of exceptions, such as limited extensions and replacement buildings. Anything else needs very special circumstances that clearly outweigh the harm. Some green belt land can count as grey belt, where it does not strongly serve the green belt's purposes. The council decides this in its green belt assessment or on each application, so we do not mark it here.
Read the government guidance ↗
Agricultural land, grade 4
Poor quality farmland, not best and most versatile. Source: the Predictive Agricultural Land Classification Map (Defra and Natural England, 2025; the Welsh Government's Predictive ALC Map 2 in Wales), a model rather than a site survey. Natural England's Provisional ALC map (1:250,000, 1970s), which most planning maps still show, had this area as grade 3. The predicted grade is Defra's current estimate; only a site survey settles it.
Where development of farmland is needed, policy prefers poorer land over the best and most versatile (grades 1, 2 and 3a). Three sources: Natural England's post-1988 field surveys, which are definitive where they exist; the Defra predictive map for England (2025) and the Welsh Government predictive map, modelled from the soil map with 3a and 3b split; and the 1970s provisional map, which planners and other services still show, coarser and with grade 3 undivided. Where the provisional and predicted grades disagree, treat the predicted grade as the current estimate and expect an application to carry its own survey.
Not affected
Outside flood zones 2 and 3 · No scheduled monument at the site

Checked on 6 October 2026. Historic England, the Environment Agency, Natural England and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.

Sales history 2

Last sold for £1,072,500 in May 2021. Detached house, freehold.

27 May 2021£1,072,500
7 July 2014£786,000

Sale prices from HM Land Registry's price paid record, matched to this application by its address.

Work with planning data?

Every application in East Hertfordshire - and every UK council - as a live feed, an API, or a bulk CSV export.

About Plota's data service

Other new applications on this street

22 Sept 2026Pending

Oak Tree Farm Hertfordinfordbury Herts SG14 2LF

Prior approval application (Part 3, Class Q) for change of use and conversion of...

3/26/1345/ARPN
26 Jun 2026Refused

Agricultural Barn St Marys Lane Hertingfordbury Hertfordshire

Prior approval application (Part 3, Class Q) for change of use and conversion of...

3/26/0915/ARPN
15 Jun 2026Pending

Little Barn St Marys Lane Hertingfordbury Hertfordshire SG14 2LF

Change of use of land to residential curtilage and erection of outbuilding (retr...

3/26/0849/FUL
22 Apr 2026Refused

Oak Tree Farm Hertingfordbury Hertford SG14 2LF

Prior approval application (Part 3, Class Q) for change of use and conversion of...

3/26/0567/ARPN

Nearby new applications

24 Jul 2026Withdrawn

Mayflower Place Hertingfordbury Road Hertford Hertfordshire SG14 2LG

Erection of rear orangery garden room

3/26/1040/LBC
24 Jul 2026Withdrawn

Mayflower Place Hertingfordbury Road Hertford Hertfordshire SG14 2LG

Erection of rear orangery garden room

3/26/1039/FUL
15 Jun 2026Pending

Little Barn St Marys Lane Hertingfordbury Hertfordshire SG14 2LF

Change of use of land to residential curtilage and erection of outbuilding (retr...

3/26/0849/FUL

Important details

Council
East Hertfordshire
Application type
CL Proposed Operations
Postcode
SG14 2LF
Received
24 Apr 2026
Validated
24 Apr 2026
Ward
Hertford Castle
Parish
Hertford Town Council
Case officer
Show
Target decision
19 Jun 2026
Decision
CL Proposed Grant
Decision date
26 May 2026
Decision level
Delegated Decision
Applicant
Show
Agent
Randall Architecture

How this decision compares

Decided in 32 days from validation, 24 days faster than East Hertfordshire's median of 56 for extensions. Approved, as 85% of extensions here are.

70%decided within 8 weeks
85%approved
651decided in the last year

Plota live figures for extensions decided by East Hertfordshire in the last twelve months, from validation. East Hertfordshire decision record →

Consultation & key dates

Alt. reference
PP-14884973
Planning Portal ref
PP-14884973
Statutory expiry
19 Jun 2026
Env. assessment
No

Historical activity at this location

26 previous applications on record - archival context, not part of the live application.

This property

Previous applications at this address

2024 Approved
Erection of a garden room/outbuilding
3/24/0746/CLPO
Within ~100m

Nearby activity

2022 Approved
Spring House St Marys Lane Hertingfordbury Hertford Hertfordshire SG14 2LF
External alterations to include engineering works to lower land level, increase the size…
3/22/0267/HH
2022 Approved
Spring House St Marys Lane Hertingfordbury Hertford Hertfordshire SG14 2LF
External alterations to include engineering works to lower land level, increase the size…
3/22/0267/HH
2021 Refused
Spring House St Marys Lane Hertingfordbury Hertford Hertfordshire SG14 2LF
Erection of single and two storey extensions incorporating balcony but retaining the exis…
3/21/2666/HH
2021 Refused
Spring House St Marys Lane Hertingfordbury Hertford Hertfordshire SG14 2LF
Erection of single and two storey extensions incorporating balcony but retaining the exis…
3/21/2666/HH
2020 Approved
Cornerwood House 54 St Marys Lane Hertingfordbury Hertford Hertfordshire SG14 2LE
Replacement dwelling (with basement).
3/20/1735/FUL
2020 Approved
Cornerwood House 54 St Marys Lane Hertingfordbury Hertford Hertfordshire SG14 2LE
Replacement dwelling (with basement).
3/20/1735/FUL
2020 Approved
Spring House St Marys Lane Hertingfordbury Hertford Hertfordshire SG14 2LF
Erection of a replacement dwelling.
3/20/1769/FUL
2020 Approved
Spring House St Marys Lane Hertingfordbury Hertford Hertfordshire SG14 2LF
Erection of a replacement dwelling.
3/20/1769/FUL
2020 Refused
Spring House St Marys Lane Hertingfordbury Hertford Hertfordshire SG14 2LF
Erection of a replacement dwelling (incorporating previously approved extensions)
3/20/1340/FUL
2020 Refused
Spring House St Marys Lane Hertingfordbury Hertford Hertfordshire SG14 2LF
Erection of a replacement dwelling (incorporating previously approved extensions)
3/20/1340/FUL
2020 Approved
Cornerwood House 54 St Marys Lane Hertingfordbury Hertford Hertfordshire SG14 2LE
Demolition of detached dwelling, garage and outbuildings. Erection of replacement dwellin…
3/20/0925/FUL
2020 Approved
Cornerwood House 54 St Marys Lane Hertingfordbury Hertford Hertfordshire SG14 2LE
Demolition of detached dwelling, garage and outbuildings. Erection of replacement dwellin…
3/20/0925/FUL
2019 Refused
Spring House St Marys Lane Hertingfordbury Hertford Hertfordshire SG14 2LF
Erection of a replacement dwelling, to include excavation works to create basement.
3/19/2617/FUL
2019 Approved
Spring House St Marys Lane Hertingfordbury Hertford Hertfordshire SG14 2LF
Single storey rear extension and extensive re-modelling of dwelling with alterations to f…
3/19/1473/HH
2019 Approved
Cornerwood House 54 St Marys Lane Hertingfordbury Hertford Hertfordshire SG14 2LE
Construction of two storey rear extension and single storey side extension.
3/19/1425/CLPO
2019 Refused
Cornerwood House 54 St Marys Lane Hertingfordbury Hertford Hertfordshire SG14 2LE
Single storey rear extension. Depth 8.0 metres, maximum height 3.88 metres, eaves height…
3/19/1600/PNHH
2019 Approved
Cornerwood House 54 St Marys Lane Hertingfordbury Hertford Hertfordshire SG14 2LE
Replacement of entrance gates to the north access, widening of the entrance and construct…
3/19/0920/HH
2018 Withdrawn
Cornerwood House 54 St Marys Lane Hertingfordbury Hertford Hertfordshire SG14 2LE
Replacement of gates to the north entrance of property, widening of the entrance and cons…
3/18/2655/HH
2018 Approved
Spring House St Marys Lane Hertingfordbury Hertford Hertfordshire SG14 2LF
Single storey rear extension: Depth 8 metres, Maximum height 4.0 metres, Eaves height 2.9…
3/18/2530/PNHH
2018 Approved
Cornerwood House 54 St Marys Lane Hertingfordbury Hertford Hertfordshire SG14 2LE
Two storey side and rear extension. Elevational alterations to existing building.
3/18/1982/HH
2016 Refused
The Warren St Marys Lane Hertingfordbury Hertford Hertfordshire SG14 2LF
Proposed carport
3/16/0456/HH
2016 Refused
The Warren St Marys Lane Hertingfordbury Hertford Hertfordshire SG14 2LF
Proposed carport
3/16/0456/HH
2023 Approved
Spring House St Marys Lane Hertingfordbury Hertford Hertfordshire SG14 2LF
Discharge condition 4 (reduce energy and water demand) attached to 3/20/1769/FUL.
X/23/0181/CND
2023 Approved
Spring House St Marys Lane Hertingfordbury Hertford Hertfordshire SG14 2LF
Discharge condition 4 (reduce energy and water demand) attached to 3/20/1769/FUL.
X/23/0181/CND
2022 Withdrawn
Spring House St Marys Lane Hertingfordbury Hertford Hertfordshire SG14 2LF
Discharge of condition 3 (external Materials) for planning approval 3/19/1473/HH
X/22/0349/CND
East Hertfordshire
Planning Authority Score
4.9/10
Below average
#152 of 296 councils
Relevant to this application:
Householder decisions

East Hertfordshire is faster than most councils at deciding householder applications, ranking #93 out of 296. East Hertfordshire is also one of the strictest councils - it refuses more householder applications than almost any other, with only 84% approved vs 90% nationally.

One of the strictest councils
only 84% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
East Hertfordshire decision statistics
Based on MHCLG data, the year to March 2026
81%
Overall approval rate
Below avg (87%) #256 of 296
84%
Householder approved
Below avg (90%) #256 of 296
73%
Decided in 8 weeks
Above avg (63%) #93 of 296
36%
Extended time limit
Below avg (41%) #109 of 296
53%
Minor dwellings approved
128 decided (1-9 homes)
82%
Major dwellings approved
11 decided (10+ homes)
94%
Change of use approved
36 decided
1,184
Total decisions
223 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings

Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.