18 Mowbray Gardens Hitchin Hertfordshire SG4 9HF Data via plota.co.uk

26/01641/LDCP - Lawful Development Certificate Proposed Registered
Extensions & alterations

Proposal

Insertion of box dormer to existing side elevation roofslope to facilitate conversion of loftspace into habitable accommodation. Data via plota.co.uk

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Application progress

✓
Received
29 Jun 2026
Decision
Awaiting decision

This application is under consideration - no decision has been issued yet.

Documents

View the documents on the council's website ↗

Nearby new applications

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Part first floor and part two storey side extension above existing garage and al...

26/01659/FPH - 17 Jul 2026

14 Matthew Gate Hitchin Hertfordshire SG4 9EQ

Two storey with Juliet balcony and single storey rear extension following demoli...

26/01588/FPH - 2 Jul 2026

11 Matthew Gate Hitchin Hertfordshire SG4 9EQ

Raising existing roof ridge height by 35 cm, insertion of rear box dormer with J...

26/01556/FPH - 16 Jun 2026

11 Matthew Gate Hitchin Hertfordshire SG4 9EQ

Insertion of rear box dormer with Juliet balcony and 2 no. front rooflights to f...

26/01557/LDCP - 16 Jun 2026

50 Westwood Avenue Hitchin Hertfordshire SG4 9LL

Two storey side extension including front and rear dormer windows. Alterations t...

26/01406/FPH - 11 Jun 2026

The White House Newlands Lane Hitchin Hertfordshire SG4 9BB

Single storey rear extension following demolition of existing rear element and r...

26/01336/FPH - 4 Jun 2026

Important details

Council
North Hertfordshire
Application type
Lawful Development Certificate Proposed
Postcode
SG4 9HF
Received
29 Jun 2026
Validated
29 Jun 2026
Ward
Hitchin Priory Ward
Parish
St Ippolytts Parish Council
Case officer
Show
Applicant
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Agent
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Historical activity at this location

25 nearby applications on record - archival context, not part of the live application.

Within ~100m

Nearby activity

2023 Approved
34 Blackhorse Lane Hitchin Hertfordshire SG4 9EG
Two storey side extension and single storey rear extension. Insertion of rear dormer wind…
23/00251/FPH
2023 Approved
34 Blackhorse Lane Hitchin Hertfordshire SG4 9EG
Two storey side extension and single storey rear extension. Insertion of rear dormer wind…
23/00251/FPH
2022 Approved
26 Blackhorse Lane Hitchin Hertfordshire SG4 9EG
Installation of additional hardstanding to the front of the dwelling
22/00721/LDCP
2022 Approved
26 Blackhorse Lane Hitchin Hertfordshire SG4 9EG
Installation of additional hardstanding to the front of the dwelling
22/00721/LDCP
2021 Approved
34 Blackhorse Lane Hitchin Hertfordshire SG4 9EG
Single storey side and rear extension and insertion of rear dormer window and two front v…
21/03440/FPH
2021 Approved
34 Blackhorse Lane Hitchin Hertfordshire SG4 9EG
Single storey side and rear extension and insertion of rear dormer window and two front v…
21/03440/FPH
2021 Approved
29 Blackhorse Lane Hitchin Hertfordshire SG4 9EG
Erection of detached garden annexe
21/02239/FPH
2021 Approved
29 Blackhorse Lane Hitchin Hertfordshire SG4 9EG
Erection of detached garden annexe
21/02239/FPH
2021 Approved
24 Blackhorse Lane Hitchin Hertfordshire SG4 9EG
Two and single storey rear and side extension (as amended by plans received 17.02.21)
21/00147/FPH
2021 Approved
24 Blackhorse Lane Hitchin Hertfordshire SG4 9EG
Two and single storey rear and side extension (as amended by plans received 17.02.21)
21/00147/FPH
2020 Approved
27 Blackhorse Lane Hitchin Hertfordshire SG4 9EG
Erection of detached timber clad garden annexe (as amended by plans received 10 February…
20/03074/FPH
2020 Approved
27 Blackhorse Lane Hitchin Hertfordshire SG4 9EG
Erection of detached timber clad garden annexe (as amended by plans received 10 February…
20/03074/FPH
2020 Approved
31 The Paddock Hitchin Hertfordshire SG4 9EF
Single storey side extension and insertion of first floor window to existing east side el…
20/02607/LDCP
2020 Approved
31 The Paddock Hitchin Hertfordshire SG4 9EF
Single storey side extension and insertion of first floor window to existing east side el…
20/02607/LDCP
2019 Approved
20 Blackhorse Lane Hitchin Hertfordshire SG4 9EG
Single storey rear extension (following removal of existing extension) with the following…
19/02130/NCS
2018 Approved
28 Blackhorse Lane Hitchin Hertfordshire SG4 9EG
Two storey side extension.
18/01588/FPH
2018 Approved
14 The Paddock Hitchin Hertfordshire SG4 9EF
Single storey rear extension following demolition of the existing garage (with retention…
18/00309/FPH
2018 Approved
26 Blackhorse Lane Hitchin Hertfordshire SG4 9EG
Part two storey rear and side extensions and part single storey rear and side extensions…
18/01337/FPH
2017 Refused
Site Of Former 16A The Paddock Hitchin
One solar illuminated welcome sign (retrospective application)
17/00039/1AD
2016 Approved
17 Blackhorse Lane Hitchin SG4 9EG
Proposed rear dormer window to facilitate loft conversion
16/01464/1PUD
2016 Approved
17 Blackhorse Lane Hitchin SG4 9EG
Proposed rear dormer window to facilitate loft conversion
16/01464/1PUD
2016 Approved
2 The Paddock Hitchin SG4 9EF
Ground floor infill to create porch with canopy roof; single storey rear extension to pro…
16/00891/1HH
2016 Approved
2 The Paddock Hitchin SG4 9EF
Ground floor infill to create porch with canopy roof; single storey rear extension to pro…
16/00891/1HH
2022 Approved
34 Blackhorse Lane Hitchin Hertfordshire SG4 9EG
Removal of chimney stack to roof (as non-material amendment to planning permission 21/034…
22/01558/NMA
2022 Approved
34 Blackhorse Lane Hitchin Hertfordshire SG4 9EG
Removal of chimney stack to roof (as non-material amendment to planning permission 21/034…
22/01558/NMA
North Hertfordshire
Planning Authority Score
6.9/10
Good
#66 of 296 councils
Relevant to this application:
Householder decisions

North Hertfordshire ranks #128 out of 296 councils for householder decision speed. Householder applications are slightly more likely to be approved here (95%) than the national average (90%).

These figures are council-wide context, not a prediction for this application. View full council performance
North Hertfordshire decision performance
Based on MHCLG data, the year to March 2026
93%
Overall approval rate
Above avg (87%) #62 of 296
95%
Householder approved
Above avg (90%) #87 of 296
69%
Decided in 8 weeks
Above avg (63%) #128 of 296
32%
Extended time limit
Below avg (41%) #65 of 296
82%
Minor dwellings approved
112 decided (1-9 homes)
84%
Major dwellings approved
19 decided (10+ homes)
90%
Change of use approved
21 decided
1,102
Total decisions
82 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings