21A Lower Road Great Amwell Hertfordshire SG12 9SZ Data via plota.co.uk
3/26/1027/ASDPN - Additional Storeys on a Dwelling PN
Awaiting decision
Proposal
Prior approval application for construction of additional storey to create first floor living accommodation, height of 6.67 m 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 ↗
Application progress
✓
Received
22 Jul 2026
Decision
Awaiting decision
This application is under consideration - no decision has been issued yet.
Documents 5
Plans & drawings 4
PDF
LOCATION AND BLOCK PLAN
Location/Block/Site Plan · 22 Jul 2026
View ↗
PDF
EXISTING PLANS AND ELEVATIONS
Floorplan/Elevation drawing · 22 Jul 2026
View ↗
PDF
PROPOSED PLANS AND ELEVATIONS
Floorplan/Elevation drawing · 22 Jul 2026
View ↗
PDF
EXISTING AND PROPOSED SECTIONS
Other Drawing · 22 Jul 2026
View ↗
Other new applications on this street
Important details
- Council
- East Hertfordshire
- Application type
- Additional Storeys on a Dwelling PN
- Postcode
- SG12 9SZ
- Received
- 22 Jul 2026
- Validated
- 22 Jul 2026
- Ward
- Great Amwell & Stansteads
- Parish
- Great Amwell Parish Council
- Case officer
- Show
- Target decision
- 9 Sept 2026
- Applicant
- Show
- Agent
- A.T. Design (Welwyn) Ltd
Consultation & key dates
- Alt. reference
- PP-15096137
- Env. assessment
- No
Historical activity at this location
25 nearby applications on record - archival context, not part of the live application.
Within ~100m
Nearby activity
2025
Approved
37A Lower Road Great Amwell Hertfordshire SG12 9SZ
Insertion of two windows, two rooflights and door to side elevation
2025
Approved
37A Lower Road Great Amwell Hertfordshire SG12 9SZ
Insertion of two windows, two rooflights and door to side elevation
2025
65 Lower Road Great Amwell Hertfordshire SG12 9SZ
Demolition of existing garage and shed, and erection of a replacement detached garage wit…
2025
65 Lower Road Great Amwell Hertfordshire SG12 9SZ
Demolition of existing garage and shed, and erection of a replacement detached garage wit…
2024
Withdrawn
37A Lower Road Great Amwell Hertfordshire SG12 9SZ
First floor extension and alteration in roof form. New doorway.
2024
Approved
37A Lower Road Great Amwell Hertfordshire SG12 9SZ
Conversion of part of 37a Lower Road to create 2 residential apartments. Conversion of gr…
2022
Approved
37E Lower Road Great Amwell Ware Hertfordshire SG12 9SZ
Removal of outbuilding and erection of side extension to form garage
2022
Approved
37E Lower Road Great Amwell Ware Hertfordshire SG12 9SZ
Removal of outbuilding and erection of side extension to form garage
2021
Approved
47 Lower Road Great Amwell Ware Hertfordshire SG12 9SZ
Two storey rear extension. New pitched roof to garage with roof lights and link extension…
2021
Approved
47 Lower Road Great Amwell Ware Hertfordshire SG12 9SZ
Two storey rear extension. New pitched roof to garage with roof lights and link extension…
2018
Approved
37A Lower Road Great Amwell Ware Hertfordshire SG12 9SZ
First floor extension with multiple changes to existing and additional window openings wi…
2018
Approved
Land Rear Of 37 Lower Road Great Amwell Ware Hertfordshire SG12 9SZ
Separation of existing detached annex, part demolition and single storey extension to pro…
2018
Approved
Land Rear Of 37 Lower Road Great Amwell Ware Hertfordshire SG12 9SZ
Separation of existing detached annex, part demolition and single storey extension to pro…
2018
Approved
37C Lower Road Great Amwell Hertfordshire SG12 9SZ
Erection of a two storey rear extension.
2018
Approved
37E Lower Road Great Amwell Hertfordshire SG12 9SZ
Part demolition of both side elevations. Single storey front, rear and side extensions wi…
2018
Refused
37E Lower Road Great Amwell Ware Hertfordshire SG12 9SZ
Change of use of annexe to independant dwelling, with alterations to the roof, erection o…
2018
Withdrawn
37E Lower Road Great Amwell Hertfordshire SG12 9SZ
Front and Rear Extension
2017
Approved
43 Lower Road Great Amwell Ware Hertfordshire SG12 9SZ
First floor extension over the existing garage with dormer window, first floor front exte…
2017
Withdrawn
43 Lower Road Great Amwell Ware Hertfordshire SG12 9SZ
First floor extension over the existing garage. Existing flat roof over the porch to be r…
2017
Refused
37E Lower Road Great Amwell Ware Hertfordshire SG12 9SZ
Raising of roof ridge to create first floor. Insertion of window in to flank elevation.
2016
Approved
37 Lower Road Great Amwell Ware Hertfordshire SG12 9SZ
Separation of existing annex to create 1no. separate dwelling
2016
Refused
37 Lower Road Great Amwell Ware Hertfordshire SG12 9SZ
Separation of existing annex to provide an independent dwelling
2016
Refused
37 Lower Road Great Amwell Ware Hertfordshire SG12 9SZ
Separation of existing annex to provide an independent dwelling
2016
Refused
43 Lower Road Great Amwell Ware Hertfordshire SG12 9SZ
Proposed first floor front/side extension and proposed double storey front extension. Alt…
2016
Refused
43 Lower Road Great Amwell Ware Hertfordshire SG12 9SZ
Proposed first floor front/side extension and proposed double storey front extension. Alt…
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 performance
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
Track this application
21A Lower Road Great Amwell Hertfordshire SG12 9SZ
Sign in to view contact details
Applicant and case-officer names are hidden from public view for privacy. Create a free Plota account - or sign back in - and we'll show them, plus you get a dashboard for alerts and tracked applications.
✉