21 Downland Avenue Southwick West Sussex BN42 4RF

Registered AWDM/0418/26
Extensions & alterations
Council
Worthing 4/10
Date received
31 Mar 2026
Date validated
31 Mar 2026
Postcode
BN42 4RF

Description

Application for Certificate of Lawfulness for proposed loft conversion with rear dormer

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Nearby new applications

46 Overhill Southwick West Sussex BN42 4WJ

Application for a Lawful Development Certificate for a proposed hip to gable roo...

AWDM/0627/26 - 21 May 2026

46 Overhill Southwick West Sussex BN42 4WJ

Application for a Lawful Development Certificate for a proposed hip to gable roo...

AWDM/0627/26 - 21 May 2026

46 Overhill Southwick West Sussex BN42 4WJ

Application for a Lawful Development Certificate for a proposed hip to gable roo...

AWDM/0627/26 - 21 May 2026

6 Arun Court Stoney Lane Shoreham-by-sea West Sussex BN43 6LZ

Replacement of lounge window with a window and door set, installation of platfor...

AWDM/0602/26 - 18 May 2026

6 Arun Court Stoney Lane Shoreham-by-sea West Sussex BN43 6LZ

Replacement of lounge window with a window and door set, installation of platfor...

AWDM/0602/26 - 18 May 2026

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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

2025 Approved
31 Downland Avenue Southwick West Sussex BN42 4RF
Single storey side extension, front porch and access. Alterations to existing driveway wi…
AWDM/1162/25
2025 Approved
31 Downland Avenue Southwick West Sussex BN42 4RF
Single storey side extension, front porch and access. Alterations to existing driveway wi…
AWDM/1162/25
2025 Refused
14 Upper Kingston Lane Southwick West Sussex BN42 4RE
Proposed rear dormer and first floor extension over existing ground floor
AWDM/0359/25
2025 Refused
14 Upper Kingston Lane Southwick West Sussex BN42 4RE
Proposed rear dormer and first floor extension over existing ground floor
AWDM/0359/25
2017 Withdrawn
11 Downland Avenue Southwick Brighton West Sussex BN42 4RF
Revisions to roof and reduction in width of approved single-storey side and rear extensio…
AWDM/1702/17
2017 Withdrawn
11 Downland Avenue Southwick Brighton West Sussex BN42 4RF
Revisions to roof and reduction in width of approved single-storey side and rear extensio…
AWDM/1702/17
2018 Approved
1 Downland Close Southwick Brighton West Sussex BN42 4RH
Demolition of existing single-storey rear extensions and construction of new single-store…
AWDM/1808/18
2018 Approved
20 Downland Avenue Southwick Brighton West Sussex BN42 4RG
First-floor rear extension to south elevation.
AWDM/0173/18
2018 Approved
4 Downland Avenue Southwick Brighton West Sussex BN42 4RG
Lawful Development Certificate for proposed single-storey rear extension to south elevati…
AWDM/0197/18
2018 Approved
11 Downland Close Southwick Brighton West Sussex BN42 4RH
Lawful Development Certificate for proposed rooms in roof with side hip to gable roof ext…
AWDM/0170/18
2017 Approved
23 Old Shoreham Road Southwick Brighton West Sussex BN42 4RD
Hip to gable roof extension to west elevation; rear dormer with timber cladding and front…
AWDM/1452/17
2017 Approved
23 Old Shoreham Road Southwick Brighton West Sussex BN42 4RD
Hip to gable roof extension to west elevation; rear dormer with timber cladding and front…
AWDM/1452/17
2017 Approved
11 Downland Avenue Southwick Brighton West Sussex BN42 4RF
Single-storey side and rear extension to north and east elevations.
AWDM/0103/17
2017 Approved
11 Downland Avenue Southwick Brighton West Sussex BN42 4RF
Single-storey side and rear extension to north and east elevations.
AWDM/0103/17
2017 Approved
11 Downland Avenue Southwick Brighton West Sussex BN42 4RF
Lawful Development Certificate for proposed rooms in roof with side hip to gable roof ext…
AWDM/0104/17
2017 Approved
11 Downland Avenue Southwick Brighton West Sussex BN42 4RF
Lawful Development Certificate for proposed rooms in roof with side hip to gable roof ext…
AWDM/0104/17
2016 Approved
5 Downland Close Southwick Brighton West Sussex BN42 4RH
Replacement rear conservatory to include rasied patio to rear of extension (increased in…
AWDM/1318/16
2016 Approved
5 Downland Close Southwick Brighton West Sussex BN42 4RH
Replacement rear conservatory to include rasied patio to rear of extension (increased in…
AWDM/1318/16
2016 Approved
15 Downland Close Southwick Brighton West Sussex BN42 4RH
Application for a Lawful Development Certificate for a proposed hip to gable roof extensi…
AWDM/1169/16
2016 Approved
15 Downland Close Southwick Brighton West Sussex BN42 4RH
Application for a Lawful Development Certificate for a proposed hip to gable roof extensi…
AWDM/1169/16
2016 Approved
4 Downland Avenue Southwick Brighton West Sussex BN42 4RG
Single storey rear extension to south elevation.
AWDM/0989/16
2016 Approved
4 Downland Avenue Southwick Brighton West Sussex BN42 4RG
Single storey rear extension to south elevation.
AWDM/0989/16
2016 Approved
17 Old Shoreham Road Southwick Brighton West Sussex BN42 4RD
Conservatory to rear (north) elevation.
AWDM/0611/16
2016 Approved
17 Old Shoreham Road Southwick Brighton West Sussex BN42 4RD
Conservatory to rear (north) elevation.
AWDM/0611/16
2022 Approved
17 Downland Close Southwick West Sussex BN42 4RH
Non Material Amendment to AWDM/0774/22 to add a door to the west elevation of approved br…
AWDM/1453/22
Worthing
Planning Authority Score
4/10
Below average
#200 of 292 councils
Relevant to this application:
Householder decisions

Worthing is slower than most councils at deciding householder applications, ranking #236 out of 292. 46% of applications have the time limit extended, above the 40% national average. Householder applications are slightly more likely to be approved here (95%) 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
Worthing decision performance
Based on MHCLG data, 2025
93%
Overall approval rate
Above avg (87%) #74 of 292
95%
Householder approved
Above avg (90%) #93 of 292
51%
Decided in 8 weeks
Below avg (64%) #236 of 292
46%
Extended time limit
Above avg (40%) #199 of 292
76%
Minor dwellings approved
34 decided (1-9 homes)
100%
Major dwellings approved
3 decided (10+ homes)
78%
Change of use approved
32 decided
563
Total decisions
38 refused in 2025
Source: MHCLG planning statistics · See full council rankings