20 Niagara Road HENLEY-ON-THAMES RG9 1EB

1. 6 Jun 2016

   Received by South Oxfordshire

2. 1 Aug 2016

   Decision issued: Certificate of Lawful Use or Development

3. 12 Sep 2026

   Added to PlanIndex

South Oxfordshire granted permission on 1 August 2016, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 15 Niagara Road, Henley-on-Thames, RG9 1EB

  P23/S2742/NM Submitted 14 Aug 2023 50 yards away

  Non material amendment to application ref. P22/S3390/HH (Extend rear single storey element of terrace house to the side to form an enlarged kitchen space with lean-to pitch roof in slate. Build over the existing ground floor lean-to roof to form new first floor bathroom. Install new rooflights in the roof to the loft space. First floor reorganisation to facilitate the new staircase to the new attic storage room) - replacement of the existing front segmental bay on the ground floor and two windows on the first floor.

  Refused Amendments Loft or dormer Windows or glazing 9 docs
  Small domestic

• 3 Niagara Road, Henley-On-Thames, RG9 1EB

  P21/S2895/HH Submitted 25 Jun 2021 50 yards away

  New flat roof dormer to rear roof-slope of two storey element of house to facilitate loft conversion.

  Refused Householder Loft or dormer 19 docs
  Domestic

• 9 Niagara Road HENLEY-ON-THAMES RG9 1EB

  P17/S0698/NM Submitted 20 Feb 2017 50 yards away

  Non material amendment to application ref. P11/E2109 - Replace the 2 velux windows and one French door to 5 new velux windows and 1 bifold door Demolition of single storey rear extensions and replacement with single storey rear extensions

  Decided Amendments Extension Loft or dormer +2 7 docs
  Small domestic

• The Tin Store 1B Niagara Road HENLEY-ON-THAMES Oxon RG9 1EB

  P15/S4057/HH Submitted 1 Dec 2015 50 yards away

  Proposed first floor side extension.

  Granted Householder Extension 6 docs
  Domestic

• 9 Niagara Road HENLEY-ON-THAMES RG9 1EB

  P17/S0696/HH Submitted 20 Feb 2017 50 yards away

  Rear extension at first floor including 1 Velux window

  Granted Householder Extension Loft or dormer +1 9 docs
  Domestic

• 1 Niagara Road, Henley on Thames, Oxon, RG9 1EB

  P18/S4408/TCA Submitted 5 Mar 2018 50 yards away

  T1 - Cherry T2 - Birch There are two trees in our small terrace garden and each is contributing to: - fracturing our boundary wall and making it unstable (a danger to people both within our property and those who regularly use the alley behind it - we have a young child and there are lots of children in our neighbouring properties). - cracking flagstone paving resulting in very uneven and treacherous surface throughout the garden - again a danger to our daughter. - potentially threatening sewerage pipes The large cherry's roots have encroached on our neighbours' properties and damaged flagstones, threatening their walls also. The cherry also causes excessive shading and drops messy fruit in our garden (dangerous for our young toddler) and our neighbours' gardens. A number of our neighbours have asked if we can remove the trees. We have noticed that while we have not been at home, branches have been removed by our neighbours (without our permission). A) Cherry - fell because of damage to boundary wall and threat to neighbouring walls, excessive shade and mess. B) Birch - fell because of location right alongside the boundary wall of the property with roots causing the wall to crack and bow. Remarks:

  Decided Trees 2 docs
  Small domestic

• P26/S2089/LDP Granted

  48 Brook Street Watlington OX49 5JH

  Erection of a single storey outbuilding within the rear garden of the property. The building will be of timber frame construction with external cladding and a flat roof with a maximum height of 2.5 metres. It will be situated 1m from boundary wall. The outbuilding will be used as an art studio incidental to the enjoyment of the dwelling house. It will include a small sink connected to the mains water supply for washing brushes and cleaning materials associated with art activities. It will include electricity supply and ethernet cable.

  Received 5 Jun, published by the council 2 Aug 2026 Lawful development
• P26/S3357/LDP Granted

  12 Sundew Close Didcot OX11 6FP

  Single storey side extension in matching materials

  Received 4 Aug, published by the council 21 Aug 2026 Lawful development
• P26/S3191/LDP Granted

  Hillfoot Sotwell Street Brightwell-cum-sotwell Wallingford OX10 0RQ

  Addition of solar panels to the existing roof on the east and south elevations

  Received 27 Jul, published by the council 15 Aug 2026 Lawful development
• P26/S3975/LDP Decided

  Garden Cottage Gillotts Lane Harpsden Henley-on-Thames RG9 4AY

  Alteration of the existing fencing along the boundary to traditional woven horizontal hazel hurdles.

  Received 7 Sep, published by the council 12 Sep 2026 Lawful development
• P26/S3958/LDP Decided

  99 Lydalls Road Didcot OX11 7DT

  Extension and alteration of the existing detached outbuilding to provide a snooker/recreation room ancillary to the main dwelling. The precise siting, dimensions, height and relationship to the site boundaries are shown on the submitted plans and elevations. No new access, street, significant hardstanding or separate means of enclosure are proposed. Drainage will remain within the site.

  Received 7 Sep, published by the council 15 Sep 2026 Lawful development