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Planning application

DC/098930

70 Thornhill Road Heaton Mersey Stockport SK4 3HL

Granted Stockport Householder

Proposal

New single storey side & rear extension. New loft conversion, hip to gable conversion, and rear facing box dormer.

As published by the council, reference DC/098930

Timeline

Dates from the published record

  1. 27 Apr 2026

    Received by Stockport

  2. 22 Jun 2026

    Decision issued: Granted

  3. 21 Jul 2026

    Added to PlanIndex

What a grant of permission means

The process from here

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

About householder applications

How this application type works

Householder applications cover work to an existing house and its garden: extensions, loft and garage conversions, porches, outbuildings and similar alterations within the boundary of the home. They cannot be used to create a separate dwelling or change what the building is used for. Councils aim to decide them within eight weeks, and immediate neighbours are usually notified and given a chance to comment.

More on householder applications in our guide

Nearby applications

Within 500 metres

  • DC/099289 Awaiting decision

    Lynwood 57 Mersey Road Heaton Mersey Stockport SK4 3DJ

    Tree: T17 Copper beech, Fagus sylvatica Purpurea Location: [front of property on fence boundary between 57 & 57A Mersey Road, inboard of the brick garden wall, approx 3m from Mersey Road roadway] Proposed works: T17 copper beech carry out a 20% crown thin, removing selected small-diameter secondary and tertiary branches evenly throughout the crown. Undertake minor crown balancing* by selectively pruning any over-extended or disproportionately weighted lateral growth, with cuts made back to suitable branch unions. No topping or lopping. No significant reduction in overall height or spread. Retain the trees natural form and amenity value. Works to be carried out in accordance with BS 3998.:2010 Tree Work Recommendations. * The tree was highlighted on the attached 2016 Tree Report as having a crown imbalance. This imbalance has persisted in the 10 years since, and would now benefit from minor rebalancing work. Reason for works: To reduce crown density and allow improved filtered light and air movement through the canopy while retaining the tree?s natural form and contribution to the conservation area. The proposed 20% crown thin is proportionate, light-touch maintenance and avoids topping, lopping, crown reduction or significant alteration to the trees visual amenity. HAR/CA21, TPO 411W.

    9 Jun 2026 173m away Trees
  • DC/085270 Granted

    32 Thornhill Road Heaton Mersey Stockport SK4 3HL

    Proposed single storey rear extension. (i) The projection of the proposed extension beyond the rear wall of the original house is 5.23 metres (ii) The maximum height of the proposed extension is 3.94 metres (iii) The height of the eaves of the proposed extension is 2.45 metres

    10 May 2022 174m away
  • DC/098864 Granted

    43 Mersey Road Heaton Mersey Stockport SK4 3DJ

    Removal of non-native maple tree on rear boundary to neighbouring property (2 Hawthorn Road). It does not have a preservation order. It sits very close to the boundary wall and we have had complaints from neighbours about loss of light and they have had drainage issues caused by tree roots (effluent backing up into their property). It has also brought down communication lines and threatens to do more. HAR/CA21.

    23 Apr 2026 176m away Trees
  • DC/099293 Awaiting decision

    North Lynwood 57B Mersey Road Heaton Mersey Stockport SK4 3DJ

    T1 Beech tree Reduce crown by 2.5 metres plus crown lift to 5 metres in order to gain more light. HAR/CA21, TPO 411W.

    16 Jun 2026 217m away Trees
  • DC/098878 Awaiting decision

    53 Priestnall Road Heaton Mersey Stockport SK4 3DL

    Solar panels to rear south facing elevation

    21 Apr 2026 233m away Householder
  • DC/099206 Granted

    25 Priestnall Road Heaton Mersey Stockport SK4 3HR

    Proposed work Proposed work to remove T3 from rear of 25 Priestnall Road Reason for proposed work: > T3 has tree has outgrown its environment to the extent that it is beginning to create severe, continuous, and unavoidable nuisance. It is leaning towards and encroaching over the top of neighbour's property (1 Sunnyfield Rd). There is a strong likelihood that it will begin to affect neighbour's property > Given there are multiple trees in a very small vicinity T4 (Holly), T5 (Holly) & T6 (Cherry) - all within a 3.5m radius, by removing T3 the remaining trees (T4, T5 & T6) will have better opportunity to establish and grow. > T3 is a Robinia, it is non-native, fast-growing & prone to brittle wood, structural failure, and invasive root systems. All of attributes render the positioning of this tree as hazardous to neighbouring building. Additionally it posses a split fork (2.3m) from ground and a 2nd (3.6m from ground) adding further risk to additional growth. Removal at this stage would mitigate any issues in the near future. As part of removal of T3 - it is proposed that a further tree will be planted within the boundary of 25 Priestnall Road as a replacement. HAR/CA21.

    8 Jun 2026 251m away Trees

In Stockport

  • DC/099335 Granted

    75 Thornway Bramhall Stockport SK7 2AH

    Single storey front and rear extensions

    12 Jun 2026 Householder
  • DC/099736 Awaiting decision

    5 Matlock Road North Reddish Stockport SK5 6SR

    Double storey side extension

    23 Jul 2026 Householder
  • DC/099250 Granted

    11 Park Avenue Romiley Stockport SK6 4PF

    Demolition of existing single-storey garage / kitchen extension and conservatory. New two-storey side extension and single-storey rear extension to form new kitchen /living area, utility and shower room at ground floor with an ensuited bedoom at first floor. New patio to garden area.

    5 Jun 2026 Householder
  • DC/099200 Granted

    6 Brookside Lane High Lane Stockport SK6 8HL

    Proposed single storey rear extension to existing outhouse building with internal alterations and external decking to existing pool enclosure.

    29 May 2026 Householder
  • DC/099227 Refused

    126 Northgate Road Edgeley Stockport SK3 9PQ

    One and two storey side extension and loft conversion with dormers

    23 May 2026 Householder