2016
Withdrawn
30 Theobalds Lane Cheshunt Hertfordshire En8 8Rh
CONVERSION OF GARAGE INTO HABITABLE ROOM
22 Dudley Avenue Waltham Cross Hertfordshire EN8 8RR Data via plota.co.uk
07/26/0497/LDP
Approved
Proposal
Certificate of lawfulness for proposed erection of outbuilding in rear garden Data via plota.co.uk
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View original council record ↗Last checked
Application progress
✓
Validated
19 Jun 2026
✓
Received
around 22 Jun 2026
✓
Approved
14 Aug 2026
Approved on 14 Aug 2026 · Last checked 5 Sept 2026
Documents 3
Plans & drawings 2
Application forms 1
Site constraints 4
In flood zones plus climate change
Inside the extent flood zones 2 and 3 could reach with climate change: the Central allowance for the 2080s on rivers, the Upper End allowance for sea level rise to 2125. From rivers. Defences are not counted.
The Environment Agency flood map for planning. Councils use it to decide when a flood risk assessment and the sequential test are needed. It is indicative and does not show whether a particular property will flood.
Also on the record
Scheduled monument 164 m away: Theobalds Palace, Waltham Cross; National infrastructure project 1572 m away: North London (Electricity Line) Reinforcement; Inside the Cheshunt built-up area.
Not affected
Outside flood zones 2 and 3 · Not green belt · No listed building at the site
Checked on 6 October 2026. Historic England, the Environment Agency, Natural England, the Planning Inspectorate 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 £242,500 in March 2010. Semi-detached house, freehold.
12 March 2010£242,500
1 September 2000£149,995
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
Building
Floor area76 m² (818 sq ft)
Energy ratingD (65 out of 100), could reach B
PropertySemi-detached house, 4 habitable rooms
Built1950 to 1966
HeatingBoiler and radiators, mains gas
WallsCavity wall, as built, no insulation (assumed)
From the energy performance certificate lodged in March 2014, the latest held for this property. The building may have changed since. View the certificate
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Other new applications on this street
21 Sept 2026Pending
34 Dudley Avenue Waltham Cross Hertfordshire EN8 8RR
Demolition of garage and erection of 2no. bedroom dwelling with parking
15 Sept 2026Pending
30 Dudley Avenue Waltham Cross Hertfordshire EN8 8RR
Prior approval for 4m single storey rear extension
2 Jul 2026Decided
20 Dudley Avenue Waltham Cross Hertfordshire EN8 8RR
Prior approval for 3.5m single storey rear extension
10 Jul 2026Pending
29 Dudley Avenue Waltham Cross Hertfordshire EN8 8RJ
Retrospective erection of single storey dwelling in rear garden
Nearby new applications
21 Sept 2026Pending
34 Dudley Avenue Waltham Cross Hertfordshire EN8 8RR
Demolition of garage and erection of 2no. bedroom dwelling with parking
17 Sept 2026Pending
land around Friends Avenue, Cheshunt, Hertfordshire, EN8 8LG
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15 Sept 2026Pending
30 Dudley Avenue Waltham Cross Hertfordshire EN8 8RR
Prior approval for 4m single storey rear extension
7 Sept 2026Pending
51 Royal Avenue Waltham Cross Hertfordshire EN8 7RB
Prior approval for 4m single storey rear extension
4 Sept 2026Pending
Land to the East of Toronto House 128-132 Crossbrook Street Cheshunt Hertfordshire EN8 8JH
Erection of residential apartment block comprising two 4no. bed and two 2no. bed...
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Important details
- Council
- Broxbourne
- Postcode
- EN8 8RR
- Received
- around 22 Jun 2026
- Validated
- 19 Jun 2026
- Ward
- Theobalds
- Case officer
- Show
- Decision
- Unconditional Approval
- Decision date
- 14 Aug 2026
How this decision compares
Decided in 56 days from validation, about the council's usual 56 days. Approved, as 91% of extensions here are.
This one56d
Council56d
UK55d
55%decided within 8 weeks
91%approved
247decided in the last year
Plota live figures for extensions decided by Broxbourne in the last twelve months, from validation. Broxbourne decision record →
Consultation & key dates
- Consultation
- 19 Jun 2026
- Statutory expiry
- 14 Aug 2026
Historical activity at this location
29 previous applications on record - archival context, not part of the live application.
This property
Previous applications at this address
2020
Approved
Certificate of lawfulness for a loft conversion with rear dormer and 3 front roof lights
2020
Approved
Certificate of lawfulness for a loft conversion with rear dormer and 3 front roof lights
2016
Approved
PRIOR APPROVAL FOR A SINGLE STOREY REAR EXTENSION
2016
Approved
PRIOR APPROVAL FOR A SINGLE STOREY REAR EXTENSION
Within ~100m
Nearby activity
2025
Withdrawn
3 Grenville Close, Cheshunt, Hertfordshire, EN8 8RP
Change of use from C3 (Residential) to C4 (HMO) including single storey rear extension an…
2025
Withdrawn
3 Grenville Close, Cheshunt, Hertfordshire, EN8 8RP
Change of use from C3 (Residential) to C4 (HMO) including single storey rear extension an…
2025
Approved
11 Grenville Close, Cheshunt, Hertfordshire, EN8 8RP
Change of use from Dwellinghouse (C3) to HMO (Sui Generis), loft conversion with rear dor…
2025
Approved
11 Grenville Close, Cheshunt, Hertfordshire, EN8 8RP
Change of use from Dwellinghouse (C3) to HMO (Sui Generis), loft conversion with rear dor…
2025
Approved
19 Dudley Avenue, Waltham Cross, Hertfordshire, EN8 8RJ
Two storey rear extension and part ground floor rear extension. Erection of new front por…
2025
Approved
19 Dudley Avenue, Waltham Cross, Hertfordshire, EN8 8RJ
Two storey rear extension and part ground floor rear extension. Erection of new front por…
2025
24 Theobalds Lane, Cheshunt, Hertfordshire, EN8 8RH
Change of Use from C3 Dwelling to Sui Generis 7 bedroom HMO and single storey rear extens…
2025
24 Theobalds Lane, Cheshunt, Hertfordshire, EN8 8RH
Change of Use from C3 Dwelling to Sui Generis 7 bedroom HMO and single storey rear extens…
2024
Approved
28 Theobalds Lane, Cheshunt, Hertfordshire, EN8 8RH
Retrospective erection of outbuilding with outdoor Pizza oven.
2023
Approved
26 Theobalds Lane, Cheshunt, Hertfordshire, EN8 8RH
Lawful development for a loft conversion with a rear dormer
2023
Approved
26 Theobalds Lane, Cheshunt, Hertfordshire, EN8 8RH
Lawful development for a loft conversion with a rear dormer
2023
26 Theobalds Lane, Cheshunt, Hertfordshire, EN8 8RH
First floor side extension and garage conversion
2023
26 Theobalds Lane, Cheshunt, Hertfordshire, EN8 8RH
First floor side extension and garage conversion
2022
Approved
30 Dudley Avenue, Waltham Cross, Hertfordshire, EN8 8RR
Lawful development for a loft conversion with a rear dormer and hip to gable roof alterat…
2022
Approved
30 Dudley Avenue, Waltham Cross, Hertfordshire, EN8 8RR
Lawful development for a loft conversion with a rear dormer and hip to gable roof alterat…
2021
Approved
31 Dudley Avenue, Waltham Cross, Hertfordshire, EN8 8RJ
Lawful development for an outbuilding to the rear garden
2021
Approved
31 Dudley Avenue, Waltham Cross, Hertfordshire, EN8 8RJ
Lawful development for an outbuilding to the rear garden
2021
Approved
29 Dudley Avenue, Waltham Cross, Hertfordshire, EN8 8RJ
Lawful development for an outbuilding to the rear garden
2021
Approved
29 Dudley Avenue, Waltham Cross, Hertfordshire, EN8 8RJ
Lawful development for an outbuilding to the rear garden
2021
Approved
25 Dudley Avenue, Waltham Cross, Hertfordshire, EN8 8RJ
Lawful development for an outbuilding to the rear garden
2017
Refused
39 Dudley Avenue Waltham Cross Hertfordshire En8 8Rj
ERECTION OF A DETACHED THREE BED CHALET BUNGALOW (RE-SUBMISSION 07/15/0583/F)
2016
Approved
30 Theobalds Lane Cheshunt Hertfordshire En8 8Rh
CONVERSION OF GARAGE INTO HABITABLE ROOM
2016
Approved
30 Theobalds Lane Cheshunt Hertfordshire En8 8Rh
CONVERSION OF GARAGE INTO HABITABLE ROOM
2016
Withdrawn
30 Theobalds Lane Cheshunt Hertfordshire En8 8Rh
CONVERSION OF GARAGE INTO HABITABLE ROOM
Broxbourne
Planning Authority Score
3.8/10
Below average
#205 of 296 councils
Relevant to this application:
Householder decisions
Broxbourne is slower than most councils at deciding householder applications, ranking #218 out of 296. 48% of applications have the time limit extended, above the 41% national average. Householder applications are slightly more likely to be approved here (93%) than the national average (90%).
Slower than most councils
for householder decisions
These figures are council-wide context, not a prediction for this application.
View full council performance
Broxbourne decision statistics
Based on MHCLG data, the year to March 2026
85%
Overall approval rate
Below avg (87%) #204 of 296
93%
Householder approved
Above avg (90%) #125 of 296
53%
Decided in 8 weeks
Below avg (63%) #218 of 296
48%
Extended time limit
Above avg (41%) #211 of 296
63%
Minor dwellings approved
52 decided (1-9 homes)
67%
Major dwellings approved
3 decided (10+ homes)
65%
Change of use approved
26 decided
481
Total decisions
70 refused in the year to March 2026
Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use
Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.
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22 Dudley Avenue Waltham Cross Hertfordshire EN8 8RR
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