1 Tennyson Avenue Llanwern Newport NP18 2DY Data via plota.co.uk

26/0188 - Full Approved

Proposal

Proposed single storey rear extension, side dormer, replacement garage and garden room Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
11 Mar 2026
✓
Validated
12 May 2026
✓
Approved
2 Jul 2026

Approved on 2 Jul 2026 · Delegated · Last checked 5 Jul 2026

Site constraints 3

Flood zone 3, rivers and sea
High chance: a 1 in 100 or greater annual chance from rivers, or 1 in 200 from the sea. Any development here needs a flood risk assessment. Defences are not counted.
The Environment Agency flood map for planning. Homes in zone 3 must also pass the sequential test. Surface water flooding is a separate map.
Flood map ↗
Radon affected area, class 5
An estimated 10 to 30% of homes reach the radon action level. Indicative for the 1 km square, which takes the highest class found in it; a radon test gives the answer for a building.
From the British Geological Survey and UK Health Security Agency indicative atlas. Under building regulations, as the BRE guide BR 211 (2023) sets out, new buildings and extensions need basic radon protection from class 3 in England and Wales and from class 2 in Scotland, and full protection from class 5. The class at the site itself, from the detailed BGS map, decides which.
UKHSA radon ↗
Also on the record
National infrastructure project about 1872 m away: Future Energy Llanwern Solar Project, at pre-application.
Not affected
No scheduled monument at the site

Checked on 6 October 2026. The pin for this application is the centre of its postcode rather than the building, so distances to nearby designations are measured from the postcode and can be out by the width of the postcode area. Historic England, the Environment Agency, Natural England, the Planning Inspectorate, the British Geological Survey and UK Health Security Agency (radon, contains BGS materials © UKRI) 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 £375,000 in December 2025. Semi-detached house, leasehold.

19 December 2025£375,000
1 May 1998£80,000

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

Building

Floor area134 m² (1,442 sq ft)
Energy ratingD (65 out of 100), could reach C
PropertySemi-detached house, 7 habitable rooms
Built1900 to 1929
HeatingBoiler and radiators, mains gas
WallsCavity wall, as built, no insulation (assumed)

From the energy performance certificate lodged in July 2025, the latest held for this property, matched to this application by its address. The building may have changed since. View the certificate

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Important details

Council
Newport
Application type
Full
Postcode
NP18 2DY
Received
11 Mar 2026
Validated
12 May 2026
Ward
Llanwern
Parish
Llanwern Community Council
Case officer
Show
Decision
Granted with Conditions
Decision date
2 Jul 2026
Decision level
Delegated
Applicant
Show
Agent
Benham Architects Ltd

How this decision compares

Decided in 51 days from validation, about the council's usual 54 days. Approved, as 76% of extensions here are.

62%decided within 8 weeks
76%approved
196decided in the last year

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

Consultation & key dates

Alt. reference
PP-14769319
Planning Portal ref
PP-14769319
Env. assessment
No

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

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.